US3245954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxy-containing polymers of mesityl oxides
Assignee: Shell USA Inc
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Filing: 1961-04-05
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Granted: 1966-04-12
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Expires: 1981-04-05
Abstract
No abstract record available.
Inventors
- 👤 Bergman Elliot
- 👤 Paul A Devlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:09
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/36; C08C; C08C19/00; C08C19/02; C08F216/00; C08F216/02; C08F216/04; C08F216/08; C08F236/00; C08F236/02; C08F236/04; C08F36/00; C08F36/02; C08F36/04; C08F8/00; C08F8/30; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/62; C08G18/6212; C08G18/67; C08G18/69; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A LIQUID TERPOLYMER COMPOSITION CONSISTING OF A LOW MOLECULAR WEIGHT PRODUCT OF POLYMERIZATION OF ALLYL ALCOHOL, MESITYL OXIDE AND A CONJUGATED DIENE CONTAINING UP TO 10 CARBON ATOMS, SAID TERPOLYMER CONTAINING 1% TO 40% BY WEIGHT OF ALLYL ALCOHOL AND FROM ABOUT .2% TO ABOUT 35% BY WEIGHT OF COMBINED MESITYL OXIDE, SAID TERPOLYMER HAVING A MOLECULAR WEIGHT BETWEEN 500 AND 10,000.
Claim 2
Dependent Claim
62 words
A LIQUID TERPOLYMER COMPOSITION CONSISTING OF A LOW MOLECULAR WEIGHT PRODUCT OF POLYMERIZATION OF ALLYL ALCOHOL, MESITYL OXIDE AND A CONJUGATED DIENE CONTAINING UP TO 10 CARBON ATOMS, SAID TERPOLYMER CONTAINING 1% TO 40% BY WEIGHT OF ALLYL ALCOHOL AND FROM ABOUT .2% TO ABOUT 35% BY WEIGHT OF COMBINED MESITYL OXIDE, SAID TERPOLYMER HAVING A MOLECULAR WEIGHT BETWEEN 500 AND 10,000.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-11 | 1969-10-11 | 1970-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-11 | 1973-10-11 | 1974-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-11 | 1977-10-11 | 1978-04-12 | $7700.00 | Window Closed / Lapsed |