US3795520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Storage-life extender for crystalline photopolymerizable compositions
Assignee: EIDP Inc
•
Filing: 1972-08-18
•
Granted: 1974-03-05
•
Expires: 1992-08-18
Abstract
Abstract SUBSTITUTED BENZOXAZOLES, SUCH AS 2-MERCAPTO-5-BUTYLBENZOXAZOLE, EXTEND THE STORAGE LIFE OF PREDOMINANTLY CRYSTALLINE PHOTOPOLYMERIZABLE SYSTEMS.
Inventors
- 👤 W Nebe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:10
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/027; Y; Y10; Y10S; Y10S430/00; Y10S430/154
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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 |