US4080346A
Expired / Lapsed
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Novel graft copolymers having vinylbenzyl ammonium halide residues
Assignee: Polaroid Corp
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Filing: 1976-07-19
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Granted: 1978-03-21
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Expires: 1996-07-19
Abstract
Abstract Novel graft polymers particularly useful as diffusion transfer image dye mordants.
Inventors
- 👤 Stanley F. Bedell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:10
CPC Classifications
G; G03; G03C; G03C8/00; G03C8/42; G03C8/52; G03C8/56; C; C08; C08F; C08F291/00; Y; Y10; Y10S; Y10S430/00; Y10S430/142
Claims Analysis
Total Claims: 36
Claim 1
Independent Claim
40 words
A graft polymer comprising the structure: ##STR24## wherein Z is an organic polymeric backbone selected from the group consisting of cellulosic and vinyl polymers and ##STR25## is a grafted residue of a vinylbenzylammonium halide and n is a positive integer.
Claim 2
Dependent Claim
40 words
A graft polymer comprising the structure: ##STR24## wherein Z is an organic polymeric backbone selected from the group consisting of cellulosic and vinyl polymers and ##STR25## is a grafted residue of a vinylbenzylammonium halide and n is a positive integer.
Claim 3
Dependent Claim
44 words
A graft polymer comprising the structure: ##STR26## where Z is a polymeric backbone comprising a vinyl polymer selected from the group consisting of polyvinyl alcohols poly-N-vinylpyrollidones and polyacrylamides and ##STR27## is a grafted residue of a vinylbenzyl-ammonium halide and n is a positive integer.
Claim 4
Dependent Claim
44 words
A graft polymer comprising the structure: ##STR26## where Z is a polymeric backbone comprising a vinyl polymer selected from the group consisting of polyvinyl alcohols poly-N-vinylpyrollidones and polyacrylamides and ##STR27## is a grafted residue of a vinylbenzyl-ammonium halide and n is a positive integer.
Claim 5
Dependent Claim
32 words
A graft polymer comprising the structure: ##STR28## where Z is a polyvinyl alcohol polymeric backbone and ##STR29## represents a grafted residue of a vinyl benzyl-ammonium halide and, n is a positive integer.
Claim 6
Dependent Claim
32 words
A graft polymer comprising the structure: ##STR28## where Z is a polyvinyl alcohol polymeric backbone and ##STR29## represents a grafted residue of a vinyl benzyl-ammonium halide and, n is a positive integer.
Claim 7
Dependent Claim
20 words
A graft polymer of claim 3 where a vinylpyridine and a vinylbenzyl-ammonium halide are grafted to said polyvinyl alcohol backbone.
Claim 8
Dependent Claim
19 words
A graft polymer of claim 3 where 4-vinylpyridine and a vinylbenzyl-trialkyl-ammonium chloride are grafted to said polyvinyl alcohol backbone.
Claim 9
Dependent Claim
31 words
A graft polymer comprising the following structure: ##STR30## where Z is a poly-N-vinylpyrrolidone polymeric backbone and ##STR31## represents a grafted residue of a vinyl-benzyl-ammonium halide and, n is a positive integer.
Claim 10
Dependent Claim
31 words
A graft polymer comprising the following structure: ##STR30## where Z is a poly-N-vinylpyrrolidone polymeric backbone and ##STR31## represents a grafted residue of a vinyl-benzyl-ammonium halide and, n is a positive integer.
Claim 11
Dependent Claim
19 words
A graft polymer of claim 6 where a vinylpyridine and a vinylbenzyl-ammonium halide are grafted to said poly-N-vinylpyrrolidone backbone.
Claim 12
Dependent Claim
22 words
A graft polymer of claim 6 where a 4-vinyl pyridine and a vinylbenzyl trialkyl ammonium chloride are grafted to said poly-N-vinylpyrrolidone backbone.
Claim 13
Dependent Claim
29 words
A graft polymer comprising the structure: ##STR32## where Z is a polyacrylamide backbone and ##STR33## represents a grafted residue of a vinylbenzylammonium halide and, n is a positive integer.
Claim 14
Dependent Claim
29 words
A graft polymer comprising the structure: ##STR32## where Z is a polyacrylamide backbone and ##STR33## represents a grafted residue of a vinylbenzylammonium halide and, n is a positive integer.
Claim 15
Dependent Claim
19 words
A graft polymer of claim 9 where a vinylpyridine and a vinylbenzyl-ammonium halide are grafted to said polyacrylamide backbone.
Claim 16
Dependent Claim
22 words
A graft polymer of claim 9 where a 4-vinyl pyridine and a vinylbenzyl trialkyl ammonium chloride are grafted to said polyacrylamide backbone.
Claim 17
Dependent Claim
33 words
A graft polymer comprising the structure: ##STR34## where Z is a polymeric backbone comprising a cellulosic polymer and ##STR35## is a grafted residue of a vinyl-benzyl-ammonium halide and, n is a positive integer.
Claim 18
Dependent Claim
33 words
A graft polymer comprising the structure: ##STR34## where Z is a polymeric backbone comprising a cellulosic polymer and ##STR35## is a grafted residue of a vinyl-benzyl-ammonium halide and, n is a positive integer.
Claim 19
Dependent Claim
30 words
A graft polymer comprising the structure: ##STR36## where Z is a hydroxyethylcellulose polymeric backbone and ##STR37## represents a grafted residue of a vinylbenzyl-ammonium halide and, n is a positive integer.
Claim 20
Dependent Claim
30 words
A graft polymer comprising the structure: ##STR36## where Z is a hydroxyethylcellulose polymeric backbone and ##STR37## represents a grafted residue of a vinylbenzyl-ammonium halide and, n is a positive integer.
Claim 21
Dependent Claim
19 words
A graft polymer of claim 13 where a vinylpyridine and a vinylbenzyl-ammonium halide are grafted to said hydroxyethylcellulose backbone.
Claim 22
Dependent Claim
18 words
A graft polymer of claim 13 where a 4-vinylpyridine and a vinylbenzyl-trialkyl-ammonium chloride are grafted to said hydroxyethylcellulose.
Claim 23
Dependent Claim
30 words
A graft polymer comprising the structure: ##STR38## where Z is a methylcellulose polymeric backbone and ##STR39## represents a grafted residue of a vinylbenzyl-ammonium halide and, n is a positive integer.
Claim 24
Dependent Claim
30 words
A graft polymer comprising the structure: ##STR38## where Z is a methylcellulose polymeric backbone and ##STR39## represents a grafted residue of a vinylbenzyl-ammonium halide and, n is a positive integer.
Claim 25
Dependent Claim
19 words
A graft polymer of claim 16 where a vinylpyridine and a vinylbenzyl-ammonium halide are grafted to said methylcellulose backbone.
Claim 26
Dependent Claim
20 words
A graft polymer of claim 16 where a 4-vinylpyridine and a vinylbenzyl-trialkyl-ammonium chloride are grafted to said methylcellulose polymeric backbone.
Claim 27
Dependent Claim
32 words
A graft polymer comprising the structure: ##STR40## where Z is a hydroxyethylcellulose backbone, m=0-5, and R 2 is --(CH 2 ) m CH 3 , ##STR41## and n is a positive integer.
Claim 28
Dependent Claim
32 words
A graft polymer comprising the structure: ##STR40## where Z is a hydroxyethylcellulose backbone, m=0-5, and R 2 is --(CH 2 ) m CH 3 , ##STR41## and n is a positive integer.
Claim 29
Dependent Claim
32 words
A graft polymer comprising the structure: ##STR42## where Z is a polyvinylalcohol backbone, m=0-5, and R 2 is --(CH 2 ) m CH 3 , ##STR43## and n is a positive integer.
Claim 30
Dependent Claim
32 words
A graft polymer comprising the structure: ##STR42## where Z is a polyvinylalcohol backbone, m=0-5, and R 2 is --(CH 2 ) m CH 3 , ##STR43## and n is a positive integer.
Claim 31
Dependent Claim
26 words
A graft polymer having 4-vinylpyridine and vinylbenzyl-trialkyl-ammonium chloride grafted to a hydroxyethyl cellulose backbone and wherein the weight ratio of hydroxyethyl cellulose/4-vinylpyridine/vinylbenzyl-trialkyl-ammonium chloride is about 2.2:2.2:1.
Claim 32
Dependent Claim
26 words
A graft polymer having 4-vinylpyridine and vinylbenzyl-trialkyl-ammonium chloride grafted to a hydroxyethyl cellulose backbone and wherein the weight ratio of hydroxyethyl cellulose/4-vinylpyridine/vinylbenzyl-trialkyl-ammonium chloride is about 2.2:2.2:1.
Claim 33
Dependent Claim
13 words
A graft polymer of claim 21 where said vinylbenzyl-trialkyl-ammonium chloride is vinylbenzyltrimethyl-ammonium chloride.
Claim 34
Dependent Claim
27 words
A graft polymer having 4-vinylpyridine and vinylbenzyl-trialkyl-ammonium chloride grafted to a polyvinyl alcohol backbone and where the weight ratio of polyvinyl alcohol/4-vinylpyridine/vinylbenzyl-trialkylammonium chloride ratio is about 4.4:3.3:1.0.
Claim 35
Dependent Claim
27 words
A graft polymer having 4-vinylpyridine and vinylbenzyl-trialkyl-ammonium chloride grafted to a polyvinyl alcohol backbone and where the weight ratio of polyvinyl alcohol/4-vinylpyridine/vinylbenzyl-trialkylammonium chloride ratio is about 4.4:3.3:1.0.
Claim 36
Dependent Claim
13 words
A graft polymer of claim 23 where said vinylbenzyl-trialkyl-ammonium chloride is vinylbenzyltrimethyl-ammonium chloride.
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) | 1981-03-20 | 1981-09-19 | 1982-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-03-20 | 1985-09-19 | 1986-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-03-20 | 1989-09-19 | 1990-03-21 | $7700.00 | Window Closed / Lapsed |