US4514528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrophilic denture adhesive
Assignee: Richardson Vicks Inc
•
Filing: 1983-02-16
•
Granted: 1985-04-30
•
Expires: 2003-02-16
Abstract
Abstract An improved denture adhesive containing an adhesive polymeric fraction consisting essentially of an admixture of mixed, partial salts of lower alkyl vinyl ether-maleic adhydride-type copolymers with either of sodium carboxymethylcellulose or poly(ethylene oxide) homopolymer or both in a hydrophilic vehicle comprising certain polyethylene glycols and, as an optional component in certain forms of the subject adhesives, glycerin, for enhancing pharmaceutical elegance of the final product.
Inventors
- 👤 Dadi J. Dhabhar
- 👤 Nicholas F. Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:26
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/30; A61K6/35
Claims Analysis
Total Claims: 65
Claim 1
Independent Claim
86 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) an effective adhesive amount of an adhesive fraction consisting essentially of a mixed, partial salt of AVE/MA copolymer in combination with either or both of sodium carboxymethylcellulose and poly(ethylene oxide) homopolymer; and (b) a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 25,600 centipoises at about 60° C.
Claim 2
Dependent Claim
86 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) an effective adhesive amount of an adhesive fraction consisting essentially of a mixed, partial salt of AVE/MA copolymer in combination with either or both of sodium carboxymethylcellulose and poly(ethylene oxide) homopolymer; and (b) a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 25,600 centipoises at about 60° C.
Claim 3
Dependent Claim
25 words
The composition of claim 1 wherein (a) is an effective adhesive amount of a mixed, partial salt of AVE/MA copolymer in combination with sodium carboxymethylcellulose.
Claim 4
Dependent Claim
26 words
The composition of claim 1 wherein (a) is an effective adhesive amount of a mixed, partial salt of AVE/MA copolymer in combination with poly(ethylene oxide) homopolymer.
Claim 5
Dependent Claim
29 words
The composition of claim 1 wherein (a) is an effective adhesive amount of a mixed, partial salt of AVE/MA copolymer in combination with sodium carboxymethylcellulose and poly(ethylene oxide) homopolymer.
Claim 6
Dependent Claim
95 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of from about 1:1 to about 1:9; and (b) from about 50 to about 75 percent w/w of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 2500 centipoises at about 60° C.
Claim 7
Dependent Claim
95 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of from about 1:1 to about 1:9; and (b) from about 50 to about 75 percent w/w of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 2500 centipoises at about 60° C.
Claim 8
Dependent Claim
18 words
The composition of claim 5 wherein said mixed, partial salt is a Ca/Na partial salt of MVE/MA copolymer.
Claim 9
Dependent Claim
19 words
The composition of claim 5 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 10
Dependent Claim
19 words
The composition of claim 5 wherein up to about one-half of said polyethylene glycol fraction is substituted with glycerin.
Claim 11
Dependent Claim
91 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 40 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of about 3:2; and (b) from about 50 to about 60 percent w/w of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 2500 centipoises at about 60° C.
Claim 12
Dependent Claim
91 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 40 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of about 3:2; and (b) from about 50 to about 60 percent w/w of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 2500 centipoises at about 60° C.
Claim 13
Dependent Claim
18 words
The composition of claim 9 wherein said mixed, partial salt is a Ca/Na partial salt of MVE/MA copolymer.
Claim 14
Dependent Claim
19 words
The composition of claim 9 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 15
Dependent Claim
19 words
The composition of claim 9 wherein up to about one-half of said polyethylene glycol fraction is substituted with glycerin.
Claim 16
Dependent Claim
92 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 35 percent w/w of a mixed partial salt of AVE/MA copolymer and poly(ethylene oxide) homopolymer in a respective weight ratio of about 1:3; and (b) from about 65 to about 75 percent w/w of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 2500 centipoises at about 60° C.
Claim 17
Dependent Claim
92 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 35 percent w/w of a mixed partial salt of AVE/MA copolymer and poly(ethylene oxide) homopolymer in a respective weight ratio of about 1:3; and (b) from about 65 to about 75 percent w/w of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 2500 centipoises at about 60° C.
Claim 18
Dependent Claim
18 words
The composition of claim 13 wherein said mixed, partial salt is a Ca/Na partial salt of MVE/MA copolymer.
Claim 19
Dependent Claim
19 words
The composition of claim 13 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 20
Dependent Claim
19 words
The composition of claim 13 wherein up to about one-half of said polyethylene glycol fraction is substituted with glycerin.
Claim 21
Dependent Claim
94 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer, sodium carboxymethylcellulose and poly(ethylene oxide) homopolymer in a respective weight ratio of about 1:1:1; and (b) from about 50 to about 75 percent w/w of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 2500 centipoises at about 60° C.
Claim 22
Dependent Claim
94 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer, sodium carboxymethylcellulose and poly(ethylene oxide) homopolymer in a respective weight ratio of about 1:1:1; and (b) from about 50 to about 75 percent w/w of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 2500 centipoises at about 60° C.
Claim 23
Dependent Claim
18 words
The composition of claim 17 wherein said mixed, partial salt is a Ca/Na partial salt of MVE/MA copolymer.
Claim 24
Dependent Claim
19 words
The composition of claim 17 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 25
Dependent Claim
19 words
The composition of claim 17 wherein up to about one-half of said polyethylene glycol fraction is substituted with glycerin.
Claim 26
Dependent Claim
99 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of from about 1:1 to about 1:9; (b) up to about 25 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 27
Dependent Claim
99 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of from about 1:1 to about 1:9; (b) up to about 25 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 28
Dependent Claim
18 words
The composition of claim 21 wherein said mixed, partial salt is a Ca/Na partial salt of MVE/MA copolymer.
Claim 29
Dependent Claim
19 words
The composition of claim 21 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 30
Dependent Claim
19 words
The composition of claim 21 wherein (b) comprises from about 5 to about 15 percent w/w of said glycerin.
Claim 31
Dependent Claim
15 words
The composition of claim 21 wherein (b) comprises about 10 percent w/w of said glycerin.
Claim 32
Dependent Claim
95 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 40 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of about 3:2; (b) up to about 25 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 33
Dependent Claim
95 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 40 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of about 3:2; (b) up to about 25 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 34
Dependent Claim
18 words
The composition of claim 26 wherein said mixed, partial salt is a Ca/Na partial salt of MVE/MA copolymer.
Claim 35
Dependent Claim
19 words
The composition of claim 26 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 36
Dependent Claim
18 words
The composition of claim 26 wherein (b) comprises about 5 to about 15 percent w/w of said glycerin.
Claim 37
Dependent Claim
15 words
The composition of claim 26 wherein (b) comprises about 10 percent w/w of said glycerin.
Claim 38
Dependent Claim
96 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 35 percent w/w of a mixed, partial salt of AVE/MA copolymer and poly(ethylene oxide) homopolymer in a respective weight ratio of about 1:3; (b) up to about 25 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 39
Dependent Claim
96 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 35 percent w/w of a mixed, partial salt of AVE/MA copolymer and poly(ethylene oxide) homopolymer in a respective weight ratio of about 1:3; (b) up to about 25 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 40
Dependent Claim
18 words
The composition of claim 31 wherein said mixed, partial salt is a Ca/Na partial salt of MVE/MA copolymer.
Claim 41
Dependent Claim
19 words
The composition of claim 31 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 42
Dependent Claim
18 words
The composition of claim 31 wherein (b) comprises about 5 to about 15 percent w/w of said glycerin.
Claim 43
Dependent Claim
15 words
The composition of claim 31 wherein (b) comprises about 10 percent w/w of said glycerin.
Claim 44
Dependent Claim
98 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer, sodium carboxymethylcellulose and poly(ethylene oxide) homopolymer in a respective weight ratio of about 1:1:1; (b) up to about 25 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 45
Dependent Claim
98 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a mixed, partial salt of AVE/MA copolymer, sodium carboxymethylcellulose and poly(ethylene oxide) homopolymer in a respective weight ratio of about 1:1:1; (b) up to about 25 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 46
Dependent Claim
18 words
The composition of claim 36 wherein said mixed, partial salt is a Ca/Na partial salt of MVE/MA copolymer.
Claim 47
Dependent Claim
19 words
The composition of claim 36 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 48
Dependent Claim
18 words
The composition of claim 36 wherein (b) comprises about 5 to about 15 percent w/w of said glycerin.
Claim 49
Dependent Claim
15 words
The composition of claim 36 wherein (b) comprises about 10 percent w/w of said glycerin.
Claim 50
Dependent Claim
101 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a Ca/Na partial salt of MVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of from about 1:1 to about 1:9; (b) from about 5 to about 15 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 51
Dependent Claim
101 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a Ca/Na partial salt of MVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of from about 1:1 to about 1:9; (b) from about 5 to about 15 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 52
Dependent Claim
19 words
The composition of claim 41 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 53
Dependent Claim
15 words
The composition of claim 42 wherein (b) comprises about 10 percent w/w of said glycerin.
Claim 54
Dependent Claim
97 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 40 to about 50 percent w/w of a Ca/Na partial salt of MVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of about 3:2; (b) from about 5 to about 15 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 55
Dependent Claim
97 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 40 to about 50 percent w/w of a Ca/Na partial salt of MVE/MA copolymer and sodium carboxymethylcellulose in a respective weight ratio of about 3:2; (b) from about 5 to about 15 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 56
Dependent Claim
19 words
The composition of claim 44 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 57
Dependent Claim
15 words
The composition of claim 45 wherein (b) comprises about 10 percent w/w of said glycerin.
Claim 58
Dependent Claim
98 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 35 percent w/w of a Ca/Na partial salt of MVE/MA copolymer and poly(ethylene oxide) hompolymer in a respective weight ratio of about 1:3; (b) from about 5 to about 15 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 59
Dependent Claim
98 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 35 percent w/w of a Ca/Na partial salt of MVE/MA copolymer and poly(ethylene oxide) hompolymer in a respective weight ratio of about 1:3; (b) from about 5 to about 15 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 60
Dependent Claim
19 words
The composition of claim 47 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 61
Dependent Claim
15 words
The composition of claim 48 wherein (b) comprises about 10 percent w/w of said glycerin.
Claim 62
Dependent Claim
100 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a Ca/Na partial salt of MVE/MA copolymer, sodium carboxymethylcellulose and poly(ethylene oxide) hompolymer in a respective weight ratio of about 1:1:1; (b) from about 5 to about 15 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 63
Dependent Claim
100 words
A denture adhesive composition comprising a substantially anhydrous mixture of: (a) from about 25 to about 50 percent w/w of a Ca/Na partial salt of MVE/MA copolymer, sodium carboxymethylcellulose and poly(ethylene oxide) hompolymer in a respective weight ratio of about 1:1:1; (b) from about 5 to about 15 percent w/w of glycerin; and (c) substantially the remainder of a polyethylene glycol fraction comprising one or more polyethylene glycols each having an average molecular weight of from about 200 to about 20,000 and said fraction having an average viscosity of from about 44 to about 300 centipoises at about 60° C.
Claim 64
Dependent Claim
19 words
The composition of claim 50 wherein said mixed, partial salt is a 3.5:1 Ca:Na partial salt of MVE/MA copolymer.
Claim 65
Dependent Claim
15 words
The composition of claim 50 wherein (b) comprises about 10 percent w/w of said glycerin.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-04-29 | 1988-10-29 | 1989-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-04-29 | 1992-10-29 | 1993-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-04-29 | 1996-10-29 | 1997-04-30 | $7700.00 | Window Closed / Lapsed |