US2631975A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photopolymerization of vinyl trifluorochloroethyl ether
Assignee: Akzo Nobel UK PLC
•
Filing: 1947-01-08
•
Granted: 1953-03-17
•
Expires: 1967-01-08
Abstract
No abstract record available.
Inventors
- 👤 Jr Julian Keith Lawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:19
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F16/14; C08F16/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
THE METHOD FOR PRODUCING A POLYMERIC MATERIAL FROM MONOMERIC POLYMERIZABLE MATERIALS SELECTED FROM THE GROUP CONSISTING OF VINYL TRIFLUOROCHLORETHYL ETHER AND MIXTURES OF VINYL TRIFLUOROCHLORETHYL ETHER WITH AT LEAST ONE OTHER SUBSTANCE HAVING THE GENERAL FORMULA
Claim 2
Independent Claim
36 words
THE METHOD FOR PRODUCING A POLYMERIC MATERIAL FROM MONOMERIC POLYMERIZABLE MATERIALS SELECTED FROM THE GROUP CONSISTING OF VINYL TRIFLUOROCHLORETHYL ETHER AND MIXTURES OF VINYL TRIFLUOROCHLORETHYL ETHER WITH AT LEAST ONE OTHER SUBSTANCE HAVING THE GENERAL FORMULA
References Cited (Backward Citations)
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US2273891A
Cited
US2326736A
Cited
US2393967A
Cited
US2409274A
Cited
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Cited
US2436144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |