US3556791A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive compositions and elements and a process of making flexographic printing plate therefrom
Assignee: Asahi Kasei Corp
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Filing: 1966-03-08
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Granted: 1971-01-19
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Expires: 1986-03-08
Abstract
Abstract PHOTOSENSITIVE COMPOSITIONS COMPRISING (A) AN UNSATURATED POLYESTER PRODUCED FROM AN ALCOHOLIC MONOMER CONTAINING AT LEAST ONE POLYOL HAVING AT LEAST 5 ETHEROXYGEN GROUPS IN ITS MAIN CHAIN AND 3 OR LESS CARBON ATOMS BETWEEN THE ETHER-OXYGEN GROUPS AND AN ACIDIC MONOMER CONTAINING AT LEAST ONE UNSATUREATED DICARBOXYLIC ACID, (B) AN ADDITION POLYMERIZABLE ETHYLENICALLY UNSATURATED MONOMER AND (C) A PHOTOPOLYMERIZATION INITIATOR.
Inventors
- 👤 Kenichi Suzuki
- 👤 Tsunetoshi Kai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:58
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/66; C08G63/668; C08G63/676; B; B41; B41N; B41N1/00; B41N1/12; C08F; C08F299/00; C08F299/02; C08F299/04; C08F299/0478; C08G63/68; C08G63/682; C08G63/6824; C08G63/6828; G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/032; G03F7/09; G03F7/11; Y; Y10; Y10S; Y10S430/00; Y10S430/136
Claims Analysis
Total Claims: 0
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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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |