US3331811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized trifluorochloroethylene polymers containing (a) zinc oxide and (b) hydroquinone or chloranil
Assignee: Honeywell International Inc
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Filing: 1964-05-18
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Granted: 1967-07-18
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Expires: 1984-05-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Schafer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:15
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/04; C08K5/07; C08K5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A POLYMER COMPOSITION HAVING IMPROVED THERMAL STABILITY WHICH COMPRISES AN ADMIXTURE OF A POLYMER OF TRIFLUOROCHLOROETHYLENE AND 0.02 TO 1% BY WEIGHT OF THE POLYMER OF EACH OF ZINC OXIDE AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROQUINONE AND CHLORANIL.
Claim 2
Dependent Claim
42 words
A POLYMER COMPOSITION HAVING IMPROVED THERMAL STABILITY WHICH COMPRISES AN ADMIXTURE OF A POLYMER OF TRIFLUOROCHLOROETHYLENE AND 0.02 TO 1% BY WEIGHT OF THE POLYMER OF EACH OF ZINC OXIDE AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF HYDROQUINONE AND CHLORANIL.
References Cited (Backward Citations)
US2907742A
Cited
US2985620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |