US2906727A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cloroethylene polymer and di-9-fluorenyl ethers or dibenzhydryl ethers
Assignee: Dow Chemical Co
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Filing: 1956-05-11
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Granted: 1959-09-29
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Expires: 1976-05-11
Abstract
No abstract record available.
Inventors
- 👤 David A Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:54
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A THERMALLY STABLE COMPOSITION COMPRISING A CHLOROETHYLENE POLYMER AND FROM 1 TO 10 PERCENT OF AN ETHER SELECTED FROM THE GROUP CONSISTING OF DIBERNZHYDRYL ETHER, DI-9-FLUORENYL ETHER, AND A DIBENZHYDRYL ETHER HAVING A NUCLEAR SUBSTITUENTS ON THE PHENYL GROUPS, ACID NUCLEAR SUBSTITUENTS BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL HAVING NOT MORE THAN 8 CARBON ATOMS, ALKOXY HAVING NOT MORE THEN 8 CARBON ATOMS AND A HALOGEN.
Claim 2
Dependent Claim
68 words
A THERMALLY STABLE COMPOSITION COMPRISING A CHLOROETHYLENE POLYMER AND FROM 1 TO 10 PERCENT OF AN ETHER SELECTED FROM THE GROUP CONSISTING OF DIBERNZHYDRYL ETHER, DI-9-FLUORENYL ETHER, AND A DIBENZHYDRYL ETHER HAVING A NUCLEAR SUBSTITUENTS ON THE PHENYL GROUPS, ACID NUCLEAR SUBSTITUENTS BEING SELECTED FROM THE GROUP CONSISTING OF ALKYL HAVING NOT MORE THAN 8 CARBON ATOMS, ALKOXY HAVING NOT MORE THEN 8 CARBON ATOMS AND A HALOGEN.
References Cited (Backward Citations)
CA455527A
Cited
US2371618A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-28 | 1963-03-30 | 1963-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-28 | 1967-03-30 | 1967-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-28 | 1971-03-30 | 1971-09-29 | $7700.00 | Window Closed / Lapsed |