US3732107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymerizable copying composition
Assignee: Kalle GmbH and Co KG
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Filing: 1971-10-29
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Granted: 1973-05-08
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Expires: 1991-10-29
Abstract
Abstract THIS OINVENTION RELATES TO A PHOTOPOLYMERIZABLE COPYING COMPOSITION COMPRISING AT LEAST ONE BINDER, AT LEAST ONE PHOTOINITIATOR, AND AT LEAST ONE POLYMERIZABLE UNSATURATED ESTER HAVING THE FORMULA R''-CH2-C(-OOC-C(-R)=CH2)2-CH2-O-X-O-CH2-C(-CH2-OOC-C(-R)= CH2)2-CH2-R'' IN WHICH R IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN OR A METHYL GROUP, R'' IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN, A METHYL GROUP, OR -O-CO-CR=CH2, AND X IS A DIACYL GROUP DERIVED FROM A DICARBOXYLIC ACID HAVING 2 TO 12 CARBON ATOMS.
Inventors
- 👤 R Faust
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:08
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/20; Y; Y10; Y10S; Y10S430/00; Y10S430/1053; Y10S430/1055; Y10S430/106; Y10S430/111; Y10S430/114
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) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |