US2504052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Allylic fumarate-allylic alcohol interpolymers
Assignee: Uniroyal Inc
•
Filing: 1945-06-16
•
Granted: 1950-04-11
•
Expires: 1965-06-16
Abstract
No abstract record available.
Inventors
- 👤 Robert H Snyder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:13
CPC Classifications
C; C08; C08F; C08F22/00; C08F22/10; C08F22/26; C08F22/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD WHICH COMPRISES HEATING TOGETHER A MONOMERIC ALLYLIC FUMARATE IN THE PRESENCE OF AT LEAST 10% OFF AN ALLYLIC ALCOHOL, BASED ON THE WEIGHT OF THE FUMARATE, AND A PEROXIDE CATALYST, AND STOPPING THE REACTION BEFORE THE MIXTURE GELS, WHEREBY TO PRODUCE A HIGH YIELD OF AN ACETONE-SOLUBLE INTERPOLYMER, THE RESPECTIVE ALLYLICRADICALS BEING SELECTED FROM THE CLASS CONSISTING OF ALLYL AND METHALLYL RADICALS.
Claim 2
Independent Claim
64 words
A METHOD WHICH COMPRISES HEATING TOGETHER A MONOMERIC ALLYLIC FUMARATE IN THE PRESENCE OF AT LEAST 10% OFF AN ALLYLIC ALCOHOL, BASED ON THE WEIGHT OF THE FUMARATE, AND A PEROXIDE CATALYST, AND STOPPING THE REACTION BEFORE THE MIXTURE GELS, WHEREBY TO PRODUCE A HIGH YIELD OF AN ACETONE-SOLUBLE INTERPOLYMER, THE RESPECTIVE ALLYLICRADICALS BEING SELECTED FROM THE CLASS CONSISTING OF ALLYL AND METHALLYL RADICALS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-04-10 | 1953-10-10 | 1954-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-04-10 | 1957-10-10 | 1958-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-04-10 | 1961-10-10 | 1962-04-11 | $7700.00 | Window Closed / Lapsed |