Patent US3795640A successfully refreshed from Google Patents.
US3795640A
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US
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Furfuryl,allyl and methylol acrylamide esters of polymeric acids
Assignee: Konica Minolta Graphic Imaging USA Inc
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Filing: 1971-01-07
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Granted: 1974-03-05
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Expires: 1991-01-07
Abstract
Abstract LIGHT-SENSITIVE FILM FORMING POLYMERS ARE DISCLOSED WHICH COMPRISE FUROATE-, ALLYL- OR METHYLOL ACRYLAMIDEESTERIFIED POLYMERIC ACIDS. THEIR USE IN PHOTOLITHOGRAPHY AND PHOTOMECHANICAL PROCESSES IS ALSO DISCLOSED.
Inventors
- 👤 K Pande
- 👤 R Stattel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:19
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/14; G; G03; G03F; G03F7/00; G03F7/004; G03F7/038; G03F7/0388; C08F2810/00; C08F2810/30
Claims Analysis
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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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |