US3084144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for polymerization of fluorinecontaining organic compounds
Assignee: 3M Co
•
Filing: 1956-07-02
•
Granted: 1963-04-02
•
Expires: 1976-07-02
Abstract
No abstract record available.
Inventors
- 👤 Jr George H Crawford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:17
CPC Classifications
C; C08; C08F; C08F36/00; C08F36/02; C08F36/04; C08F36/14; C08F36/16; Y; Y10; Y10S; Y10S116/00; Y10S116/30; Y10S260/00; Y10S260/25; Y10S526/00; Y10S526/907
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS WHICH COMPRISES POLYMERIZING A FLUORINECONTAINING ETHYLENICALLY UNSATURATED COMPOUND HAVING AT LEAST ONE CARBON TO CARBON ETHYLENIC DOUBLE BOND AND CONTAINING FROM 2 TO ABOUT 12 CARBON ATOMS PER MOLECULE IN ADMIXTURE WITH ACATALYST COMPOSITION COMPRISING A LIQUID ORGANIC SOLUTION OF A CHLORINE-CONTAINING ALIPHATIC COMPOUND POSSESSING 1 TO 15 CARBON ATOMS AND HAVING AT LEAST AS MANY CHLORINE ATOMS AS CARBON ATOMS, TO WHICH SOLUTION HAS BEEN INDEPENDENTLY ADDED AN ALKYL ALUMINUM COMPOUND, AND A HALIDE OF A METAL OF GROUP IVB, THEREBY PRODUCING A POLYMER.
Claim 2
Dependent Claim
87 words
A PROCESS WHICH COMPRISES POLYMERIZING A FLUORINECONTAINING ETHYLENICALLY UNSATURATED COMPOUND HAVING AT LEAST ONE CARBON TO CARBON ETHYLENIC DOUBLE BOND AND CONTAINING FROM 2 TO ABOUT 12 CARBON ATOMS PER MOLECULE IN ADMIXTURE WITH ACATALYST COMPOSITION COMPRISING A LIQUID ORGANIC SOLUTION OF A CHLORINE-CONTAINING ALIPHATIC COMPOUND POSSESSING 1 TO 15 CARBON ATOMS AND HAVING AT LEAST AS MANY CHLORINE ATOMS AS CARBON ATOMS, TO WHICH SOLUTION HAS BEEN INDEPENDENTLY ADDED AN ALKYL ALUMINUM COMPOUND, AND A HALIDE OF A METAL OF GROUP IVB, THEREBY PRODUCING A POLYMER.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |