Patent US3301918A successfully refreshed from Google Patents.
US3301918A
Expired / Lapsed
US
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Resinous copolymers of heterocyclic diene alcohols and hydrocarbons having 5 to 14 carbon atoms
Assignee: Neville Chemical Co
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Filing: 1963-05-21
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Granted: 1967-01-31
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Expires: 1983-05-21
Abstract
No abstract record available.
Inventors
- 👤 John E Dereich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:18
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04; C08F232/00; C08F232/02; C08F232/06; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/6705; C08G65/00; C08G65/34; C08G65/36; C08L; C08L63/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A THERMAL POLYMERIZATION PROCESS FOR MAKING A RESINOUS COPOLYMER CHARACTERIZED BY A HYDROXYL NUMBER OF AT LEAST 7.3 WHICH PROCESS COMPRISES MIXING (A) A HETEROCYCLIC DIENE ALCOHOL HAVING THE FORMULA
Claim 2
Dependent Claim
30 words
A THERMAL POLYMERIZATION PROCESS FOR MAKING A RESINOUS COPOLYMER CHARACTERIZED BY A HYDROXYL NUMBER OF AT LEAST 7.3 WHICH PROCESS COMPRISES MIXING (A) A HETEROCYCLIC DIENE ALCOHOL HAVING THE FORMULA
References Cited (Backward Citations)
US2399055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |