Patent US5326669A successfully refreshed from Google Patents.
US5326669A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive compositions
Assignee: KIWO HOLDINGS Inc
•
Filing: 1992-05-04
•
Granted: 1994-07-05
•
Expires: 2012-05-04
Abstract
Abstract A photosensitive polymer composition comprising a compound of the structure ##STR1## wherein ##STR2## is a polyvinyl acetal, n is an integer from 1 to 6, R is hydrogen or alkyl, m is an integer from 1 to 6, X is an anion, ##STR3## is a divalent radical having the structure ##STR4## Y is a monovalent radical having the structure ##STR5## where is a 5 or 6 membered heterocyclic ring in which Z is nitrogen, substituted nitrogen, oxygen or sulfur, and R 1 , R 2 , R 3 and R 4 are hydrogen, alkyl, alkenyl, alkoxy, aralkyl, substituted alkyl, substituted alkoxy, carboxy, carboxy ester, amino, substituted amino, amido, substituted amid, cyano, hydroxy, nitro, isocyanato, sulphonyl halide, sulphonic acid as halide, and may be the same or different or R 1 taken together with R 2 is methylenedioxy.
Inventors
- 👤 John Curtis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:57
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388; C; C08; C08F; C08F8/00; C08F8/30; C08F8/44; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/11
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
129 words
A photosensitive polymer composition comprising a compound of the structure ##STR24## wherein ##STR25## is a polyvinyl acetal, n is an integer from 1 to 6, R is hydrogen or alkyl, m is an integer from 1 to 6, X is an anion, ##STR26## is a divalent radical having the structure ##STR27## Y is a monovalent radical having the structure ##STR28## and more particularly, Y=phenyl and naphthyl unsubstituted or substituted with hydrogen, alkyl, alkenyl, alkoxy, aralkyl, and R 1 , R 2 , R 3 and R 4 are hydrogen, alkyl, alkenyl, alkoxy, aralkyl, substituted alkyl, substituted alkoxy, carboxy, carboxy ester, amino, substituted amino, amido, substituted amido, cyano, hydroxy, nitro, isocyanato, sulphonyl halide, and may be the same or different, or R 1 taken together with R 2 is methylenedioxy.
Claim 2
Dependent Claim
129 words
A photosensitive polymer composition comprising a compound of the structure ##STR24## wherein ##STR25## is a polyvinyl acetal, n is an integer from 1 to 6, R is hydrogen or alkyl, m is an integer from 1 to 6, X is an anion, ##STR26## is a divalent radical having the structure ##STR27## Y is a monovalent radical having the structure ##STR28## and more particularly, Y=phenyl and naphthyl unsubstituted or substituted with hydrogen, alkyl, alkenyl, alkoxy, aralkyl, and R 1 , R 2 , R 3 and R 4 are hydrogen, alkyl, alkenyl, alkoxy, aralkyl, substituted alkyl, substituted alkoxy, carboxy, carboxy ester, amino, substituted amino, amido, substituted amido, cyano, hydroxy, nitro, isocyanato, sulphonyl halide, and may be the same or different, or R 1 taken together with R 2 is methylenedioxy.
Claim 3
Dependent Claim
16 words
The photosensitive polymer composition according to claim 1, which comprises two or more of said compounds.
Claim 4
Dependent Claim
26 words
The polymer composition according to claims 1 or 2, which contains as a non-light sensitive group, at least one compound containing a formyl or acetal entity.
Claim 5
Dependent Claim
36 words
The polymer composition according to claim 3, wherein the last mentioned compound is acetaldehyde, dimethyl acetal, acetaldehyde diethyl acetal, chloral, chloroacetaldehyde dimethyl acetal, chloroacetal-dehyde diethyl acetal, methylaminoacetaldehyde dimethyl acetal, 4-dimethylamino benzaldehyde, sulfo benzaldehyde or glyoxyllic acid.
Claim 6
Dependent Claim
16 words
The polymer composition according to claim 4, having an absorption spectrum in the range 320-700 nm.
Claim 7
Dependent Claim
31 words
The polymer composition according to claim 5, wherein a photosensitive salt group is present at a concentration of from about 0.5-20 mol % based on the polyvinyl alcohol in the composition.
Claim 8
Dependent Claim
24 words
The polymer composition according to claim 6, wherein at least one component selected from pigments, fillers, latex emulsions, plasticisers and resins is also present.
Claim 9
Dependent Claim
10 words
The composition according to claim 1, wherein m is 1-3.
Claim 10
Dependent Claim
10 words
The composition according to claim 8, wherein m is 1.
Claim 11
Dependent Claim
10 words
The composition according to claim 9, wherein n is 1.
Claim 12
Dependent Claim
10 words
The composition according to claim 10, wherein X is chloro.
Claim 13
Dependent Claim
8 words
The composition according to claim 11, wherein ##STR29##
References Cited (Backward Citations)
US2908667A
Cited
US2811510A
Cited
DE1271121B
Cited
UST871009I4
Cited
US3737319A
Cited
JPS5867702A
Cited
US5061603A
Cited
US5206113A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-07-04 | 1998-01-03 | 1998-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-07-04 | 2002-01-03 | 2002-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-07-04 | 2006-01-03 | 2006-07-05 | $7700.00 | Window Closed / Lapsed |