US2997391A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive polyamide resins containing stilbene units in the molecule
Assignee: TI Gotham Inc
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Filing: 1957-04-22
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Granted: 1961-08-22
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Expires: 1977-04-22
Abstract
No abstract record available.
Inventors
- 👤 Margaret H Murray
- 👤 Robert M Leekley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:10
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; G; G03; G03F; G03F5/00; G03F5/20; G03F7/00; G03F7/004; G03F7/027; G03F7/032; G03F7/037; G03F7/038; G03F7/0387; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/114; Y10S430/118
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
28 words
A PROCESS FOR FORMING A PHOTOINSOLUBILIZED PRINTING PLATE WHICH COMPRISES EXPOSING TO RADIANT ENERGY SELECTED PORTIONS OF A DEVELOPER-SOLUBLE PHOTOSENSITIVE POLYAMIDE WHICH HAS CARBONAMIDE GROUPS AS AN INTEGRAL
Claim 2
Dependent Claim
28 words
A PROCESS FOR FORMING A PHOTOINSOLUBILIZED PRINTING PLATE WHICH COMPRISES EXPOSING TO RADIANT ENERGY SELECTED PORTIONS OF A DEVELOPER-SOLUBLE PHOTOSENSITIVE POLYAMIDE WHICH HAS CARBONAMIDE GROUPS AS AN INTEGRAL
References Cited (Backward Citations)
DE10743C
Cited
US2309729A
Cited
US2500028A
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US2657195A
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US2760863A
Cited
US2794793A
Cited
US2798061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-21 | 1965-02-20 | 1965-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-21 | 1969-02-20 | 1969-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-21 | 1973-02-20 | 1973-08-22 | $7700.00 | Window Closed / Lapsed |