Patent US2914500A successfully refreshed from Google Patents.
US2914500A
Expired / Lapsed
US
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Composition comprising fluorine containing polyolefin plasticized with fluorine containing ketone
Assignee: 3M Co
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Filing: 1956-07-30
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Granted: 1959-11-24
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Expires: 1976-07-30
Abstract
No abstract record available.
Inventors
- 👤 William S Barnhart
- 👤 Joseph L Zollinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:24
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/07
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A COMPOSITION WHICH COMPRISES AN ADMIXTURE OF A NORMALLY SOLID POLYMER OF A FLUORINE-CONTAINING OLEFIN CONTAINING AT LEAST TWO FLUORINE ATOMS PER MOLECULE AND NOT IN EXCESS OF ABOUT 12 CARBON ATOMS, SAID POLYMER HAVING A MOLECULAR WEIGHT ABOVE ABOUT 50,000, AND BETWEEN 0.1 AND 100 WEIGHT PERCENT BASED ON TOTAL POLYMER WEIGHT OF A KETONE DERIVATIVE OF A PERCHLOROFLUOROCARBOXYLIC ACID HAVING NOT MORE THAN TWO CARBOXYL GROUPS, SAID KETONE HAVING AT LEAST ONE CHLORINE ATOM AND A
Claim 2
Dependent Claim
78 words
A COMPOSITION WHICH COMPRISES AN ADMIXTURE OF A NORMALLY SOLID POLYMER OF A FLUORINE-CONTAINING OLEFIN CONTAINING AT LEAST TWO FLUORINE ATOMS PER MOLECULE AND NOT IN EXCESS OF ABOUT 12 CARBON ATOMS, SAID POLYMER HAVING A MOLECULAR WEIGHT ABOVE ABOUT 50,000, AND BETWEEN 0.1 AND 100 WEIGHT PERCENT BASED ON TOTAL POLYMER WEIGHT OF A KETONE DERIVATIVE OF A PERCHLOROFLUOROCARBOXYLIC ACID HAVING NOT MORE THAN TWO CARBOXYL GROUPS, SAID KETONE HAVING AT LEAST ONE CHLORINE ATOM AND A
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |