Patent US3209325A successfully refreshed from Google Patents.
Patent US2801981A successfully refreshed from Google Patents.
US2801981A
Expired / Lapsed
US
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Polymerized tertiary alkylated allyl phenols and rubber compositions
Assignee: Goodyear Tire and Rubber Co
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Filing: 1955-03-18
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Granted: 1957-08-06
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Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
- 👤 Ronald B Spacht
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:41
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/02; C08G; C08G61/00; C08G61/02; C08K; C08K5/00; C08K5/04; C08K5/13; C08L; C08L21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AS A NEW COMPOSITION OF MATTER, THE RESINOUS POLYMERIZATION PRODUCT OF AN ALLYL PHENOL WHEREIN THE POLYMERS HAVE AN AVERAGE CHAIN LENGTH OF NOT OVER 10 MONOMER UNITS AND WHEREIN ALL POSITIONS ORTHO AND PARA TO THE HYDROXYL RADICALS OF THE PHENOLIC RING FILLED WITH ALKYL HYDROCARBON RADICALS, AT LEAST ONE OF SAID POSITIONS BEING FILLED WITH A TERTIARY HYDROCARBON RADICAL HAVING AT LEAST 4 CARBON ATOMS BUT NOT OVER 9 CARBON ATOMS.
Claim 2
Dependent Claim
73 words
AS A NEW COMPOSITION OF MATTER, THE RESINOUS POLYMERIZATION PRODUCT OF AN ALLYL PHENOL WHEREIN THE POLYMERS HAVE AN AVERAGE CHAIN LENGTH OF NOT OVER 10 MONOMER UNITS AND WHEREIN ALL POSITIONS ORTHO AND PARA TO THE HYDROXYL RADICALS OF THE PHENOLIC RING FILLED WITH ALKYL HYDROCARBON RADICALS, AT LEAST ONE OF SAID POSITIONS BEING FILLED WITH A TERTIARY HYDROCARBON RADICAL HAVING AT LEAST 4 CARBON ATOMS BUT NOT OVER 9 CARBON ATOMS.
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) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |