US3776736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized photoresist composition
Assignee: RCA Corp
•
Filing: 1972-08-07
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Granted: 1973-12-04
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Expires: 1992-08-07
Abstract
Abstract A photoresist composition comprising an air-drying alkyd resin, a photosensitizer, and a stabilizer consisting of methylthio-mcresol or methylthio phenol.
Inventors
- 👤 E Davidson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:12
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/109; Y10S430/114; Y10S430/118
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
13 words
A photoresist composition according to claim 1 in which said stabilizer is methylthio-m-cresol.
Claim 2
Dependent Claim
21 words
A photoresist composition according to claim 2 in which the amount of said stabilizer is 10% by weight of said photosensitizer.
Claim 3
Dependent Claim
14 words
A photoresist composition according to claim 1 in which said stabilizer is methylthio phenol.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-03 | 1977-06-04 | 1977-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-03 | 1981-06-04 | 1981-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-03 | 1985-06-04 | 1985-12-04 | $7700.00 | Window Closed / Lapsed |