US3711287A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photoresist compositions
Assignee: Eastman Kodak Co
•
Filing: 1971-05-19
•
Granted: 1973-01-16
•
Expires: 1991-05-19
Abstract
Abstract Novel rubbery photoresist compositions are described which include a hydroperoxide to improve adhesion of the resist to the substrate on which it is coated.
Inventors
- 👤 K Dunham
- 👤 M Yost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:58
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/008; G03F7/0085; G03F7/085
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
31 words
an N-halo cyclic imide selected from the group consisting of N-bromosuccinimide, N-iodoglutar-imide, and N-bromophthalimide, the N-halo cyclic imide constituting about 0.5 to 3 percent by weight of the rubbery material, and
Claim 2
Dependent Claim
24 words
A composition as defined in claim 1 wherein the N-substituted imide is an N-halo cyclic imide and the organic hydroperoxide is an alkyl hydroperoxide.
Claim 3
Dependent Claim
14 words
N-bromosuccinimide, constituting about 0.5 to 3 percent by weight of the cyclized polyisoprene, and
Claim 4
Dependent Claim
6 words
a polar N-halo cyclic imide, and
Claim 5
Dependent Claim
15 words
an organic solvent hydro peroxide which Is thermally stable at temperatures up to 100* C.
Claim 6
Dependent Claim
14 words
t-butyl hydroperoxide, constituting about 0.05 to 0.5 percent by weight of the cyclized polyisoprene.
Claim 7
Dependent Claim
25 words
an alkyl hydroperoxide which is thermally stable at temperatures up to 100* C, constituting about 0.05 to 0.5 percent by weight of the rubbery materials.
Claim 8
Dependent Claim
30 words
A composition as defined in claim 2 wherein the N-halo cyclic imide is selected from the group consisting of N-bromosuccinimide, N-iodoglutarimide, and N-bromophthalimide, and the alkyl hydroperoxide is t-butyl hydroperoxide.
Claim 9
Dependent Claim
37 words
A composition as defined in claim 1 wherein the organic hydroperoxide comprises up to 1 percent by weight of the rubbery material and the N-substituted imide comprises up to 10 percent by weight of the rubbery material.
Claim 10
Dependent Claim
18 words
A composition as defined in claim 1 wherein the light-sensitized, film-forming rubbery material is an aryl-azide-sensitized natural rubber.
Claim 11
Dependent Claim
18 words
A composition as defined in claim 1 wherein the light-sensitized, film-forming rubbery material is an aryl-azide-sensitized synthetic rubber.
Claim 12
Dependent Claim
18 words
A composition as defined in claim 1 wherein the light-sensitized, film-forming rubbery material is an aryl-azide-sensitized cyclized polyisoprene.
Claim 13
Dependent Claim
13 words
A photosensitive polymeric coating composition comprising a solution in an organic solvent of
Claim 14
Dependent Claim
11 words
A photosensitive polymeric coating composition comprising a solution in xylene of
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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |