US4532332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-(hydroxypolyoxaalkylene)phthalimides and succinimides and acrylate esters thereof
Assignee: Novartis Corp
•
Filing: 1982-08-05
•
Granted: 1985-07-30
•
Expires: 2002-08-05
Abstract
Abstract There are obtained from N-(hydroxypolyoxaalkylene)imidyl compounds and (meth)acrylic acid esters thereof homopolymers or copolymers with olefinically unsaturated comonomers. These polymers are photosensitive and are suitable as photographic recording material, as adhesives and as agents for surface coating.
Inventors
- 👤 Beat Muller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:53
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/44; C07D207/444; C07D207/448; C07D207/452; A; A61; A61K; A61K49/00; A61K49/22; C07D209/00; C07D209/02; C07D209/52; C08; C08F; C08F22/00; C08F22/36; C08F22/40; G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388; A61K38/00
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
60 words
An imidyl compound of the formula I ##STR11## wherein R 1 and R 2 independently of one another are C 1 -C 4 -alkyl, or R 1 and R 2 together are tetramethylene, R 3 is a hydrogen atom or normal C 1 -C 4 -alkyl, n is a number from 2 to 30, and X is a hydrogen atom.
Claim 2
Dependent Claim
60 words
An imidyl compound of the formula I ##STR11## wherein R 1 and R 2 independently of one another are C 1 -C 4 -alkyl, or R 1 and R 2 together are tetramethylene, R 3 is a hydrogen atom or normal C 1 -C 4 -alkyl, n is a number from 2 to 30, and X is a hydrogen atom.
Claim 3
Dependent Claim
18 words
A compound according to claim 1, wherein R 1 and R 2 are methyl, or together are tetramethylene.
Claim 4
Dependent Claim
15 words
A compound according to claim 1, wherein R 3 is methyl or a hydrogen atom.
Claim 5
Dependent Claim
15 words
A compound according to claim 1, wherein n is a number from 2 to 20.
Claim 6
Dependent Claim
16 words
A compound according to claim 1 of the formula ##STR12## wherein X is a hydrogen atom.
Claim 7
Dependent Claim
13 words
A compound according to claim 3 wherein R 3 is a hydrogen atom.
Claim 8
Dependent Claim
15 words
A compound according to claim 4 wherein n is a number from 2 to 10.
Claim 9
Dependent Claim
15 words
A compound according to claim 7 wherein n is a number from 2 to 6.
Claim 10
Dependent Claim
72 words
An imidyl compound of the formula I ##STR13## wherein R 1 and R 2 independently of one another are C 1 -C 4 -alkyl, or R 1 and R 2 together are tetramethylene, R 3 is a hydrogen atom or normal C 1 -C 4 -alkyl, n is a number from 2 to 30, and X is --CO--CR 4 ═CH 2 , in which R 4 is a hydrogen atom or methyl.
Claim 11
Dependent Claim
72 words
An imidyl compound of the formula I ##STR13## wherein R 1 and R 2 independently of one another are C 1 -C 4 -alkyl, or R 1 and R 2 together are tetramethylene, R 3 is a hydrogen atom or normal C 1 -C 4 -alkyl, n is a number from 2 to 30, and X is --CO--CR 4 ═CH 2 , in which R 4 is a hydrogen atom or methyl.
Claim 12
Dependent Claim
18 words
A compound according to claim 9, wherein R 1 and R 2 are methyl, or together are tetramethylene.
Claim 13
Dependent Claim
15 words
A compound according to claim 9, wherein R 3 is methyl or a hydrogen atom.
Claim 14
Dependent Claim
13 words
A compound according to claim 11 wherein R 3 is a hydrogen atom.
Claim 15
Dependent Claim
15 words
A compound according to claim 9, wherein n is a number from 2 to 20.
Claim 16
Dependent Claim
15 words
A compound according to claim 13 wherein n is a number from 2 to 10.
Claim 17
Dependent Claim
15 words
A compound according to claim 14 wherein n is a number from 2 to 6.
Claim 18
Dependent Claim
19 words
A compound according to claim 9 of the formula ##STR14## wherein X has the meaning defined in claim 9.
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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) | 1988-07-29 | 1989-01-28 | 1989-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-29 | 1993-01-28 | 1993-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-29 | 1997-01-28 | 1997-07-30 | $7700.00 | Window Closed / Lapsed |