US3740224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photosensitive compositions for the production of printing plates
Assignee: BASF SE
•
Filing: 1971-07-13
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Granted: 1973-06-19
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Expires: 1991-07-13
Abstract
Abstract PHOTOSENSITIVE COMPOSITIONS BASED ON ETHYLENE OXIDE POLYMERS, POLYCARBOXYLIC ACIDS, OLEFINICALLY UNSATURATED MONOMERS AND ADDITIONS OF PHOTOINITIATORS AND POLYMERIZATION INHIBITORS. THE PHOTOSENSITIVE COMPOSITIONS OF THE INVENTION ARE SUITABLE FOR THE PREPARATION OF PRINTING PLATES.
Inventors
- 👤 H Barzynski
- 👤 C Krauch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:21
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; G03F7/032; C; C08; C08F; C08F283/00; C08F283/10; C08F291/00; C08F291/18; C08L; C08L71/00; C08L71/02
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) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |