Patent US4152420A successfully refreshed from Google Patents.
US4152420A
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Anticalculus oral composition
Assignee: Colgate Palmolive Co
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Filing: 1978-07-28
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Granted: 1979-05-01
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Expires: 1998-07-28
Abstract
Abstract An oral composition effective to promote oral hygiene containing as an anticalculus agent a water soluble oligomer of the formula ##STR1## wherein M is a water soluble orally acceptable cation; R 1 , r 2 , r 3 and R 4 are independently H, methyl or ethyl; Y is at least one hydrophilic member of the group consisting of --COOM 1 , --CONH 2 , and --CH 2 OH: X is at least one hydrophobic member of the group consisting of --CN, --COOR, --COOR 5 OR, --CONHR, --COONHR 5 COR, and --OOCR; M 1 is H or M; R is C 1-8 alkyl; R 5 is C 1-4 alkylene; A is 0-7; and A+b is about 4-15.
Inventors
- 👤 Abdul Gaffar
- 👤 Stuart D. Friedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:08
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/72; A61K8/81; A61K8/8141; A61K8/8147; A61K8/30; A61K8/40; A61K8/41; A61K8/416; A61K8/43; A61Q; A61Q11/00
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
122 words
An oral composition comprising an orally acceptable vehicle containing in an effective amount as an anticalculus agent at least one water soluble oligomer of the formula ##STR4## wherein M is a water soluble orally acceptable cation; R 1 , r 2 , r 3 and R 4 are independently H, methyl or ethyl; Y is at least one hydrophilic member of the group consisting of --COOM 1 , --CONH 2 , and --CH 2 OH; X is at least one hydrophobic member of the group consisting of --CN, --COOR 5 OR, --CONHR, --COONHR 5 COR, and --OOCR; M 1 is H or M; R is C 1-8 alkyl; R 5 is C 1-4 alkylene; a is 0-7; and a+b is about 4-15.
Claim 2
Dependent Claim
122 words
An oral composition comprising an orally acceptable vehicle containing in an effective amount as an anticalculus agent at least one water soluble oligomer of the formula ##STR4## wherein M is a water soluble orally acceptable cation; R 1 , r 2 , r 3 and R 4 are independently H, methyl or ethyl; Y is at least one hydrophilic member of the group consisting of --COOM 1 , --CONH 2 , and --CH 2 OH; X is at least one hydrophobic member of the group consisting of --CN, --COOR 5 OR, --CONHR, --COONHR 5 COR, and --OOCR; M 1 is H or M; R is C 1-8 alkyl; R 5 is C 1-4 alkylene; a is 0-7; and a+b is about 4-15.
Claim 3
Dependent Claim
21 words
The oral composition of claim 1 wherein said oligomer is present in amount of about 0.01% to about 10% by weight.
Claim 4
Dependent Claim
42 words
The oral composition of claim 1 wherein, in said formula, a is zero, 1+b is about 10, Y is --COOM 1 , R 1 , R 2 , R 3 and R 4 are H, and M and M 1 are sodium.
Claim 5
Dependent Claim
26 words
The oral composition of claim 1 wherein said vehicle is an aqueous-alcohol and said composition is a mouthwash of pH of about 4.5 to about 9.
Claim 6
Dependent Claim
39 words
The oral composition of claim 1 wherein said vehicle comprises a liquid vehicle and a gelling agent and a dentally acceptable polishing material is present and said composition is a toothpaste of pH of about 4.5 to about 9.
Claim 7
Dependent Claim
24 words
A method of inhibiting the formation of dental calculus comprising applying to teeth a calculus-inhibiting amount of a composition as defined in claim 1.
Claim 8
Dependent Claim
24 words
A method of inhibiting the formation of dental calculus comprising applying to teeth a calculus-inhibiting amount of a composition as defined in claim 2.
Claim 9
Dependent Claim
24 words
A method of inhibiting the formation of dental calculus comprising applying to teeth a calculus-inhibiting amount of a composition as defined in claim 3.
Claim 10
Dependent Claim
24 words
A method of inhibiting the formation of dental calculus comprising applying to teeth a calculus-inhibiting amount of a composition as defined in claim 4.
Claim 11
Dependent Claim
24 words
A method of inhibiting the formation of dental calculus comprising applying to teeth a calculus-inhibiting amount of a composition as defined in claim 5.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-30 | 1982-10-30 | 1983-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-30 | 1986-10-30 | 1987-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-30 | 1990-10-30 | 1991-05-01 | $7700.00 | Window Closed / Lapsed |