US3984357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluoroaliphaticsulfonyl substituted ethylenes
Assignee: 3M Co
•
Filing: 1974-03-27
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Granted: 1976-10-05
•
Expires: 1994-03-27
Abstract
Abstract Fluoroaliphaticsulfonyl substituted ethylenes, useful as catalysts in polymerization of monomers, e.g., epoxide, vinyl ether, and N-vinyl monomers, are prepared by condensation of precursor fluoroaliphaticsulfonyl methanes with aldehydes or N-formyl compounds.
Inventors
- 👤 Robert J. Koshar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:13
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/32; C07D207/33; C07D207/333; C07C; C07C317/00; C07C317/02; C07C317/08; C07D295/00; C07D295/04; C07D295/08; C07D295/084; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C08; C08F; C08F4/00; C08G; C08G59/00; C08G59/18; C08G59/68; C08G59/687; C08G65/00; C08G65/02; C08G65/26; C08G65/2642; C08G65/2669; C08G65/2678; C08G65/2684
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
51 words
A fluoroaliphaticsulfonyl ethylene compound especially suited as a catalyst in epoxide, vinyl ether, and N-vinyl monomer polymerization and having the formula wherein R f is a monovalent saturated fluoroaliphatic radical; X is a monovalent, non-ionic, electron withdrawing radical at least as electron withdrawing as a benzoyl radical; Z is amino, dialkylamino,
Claim 2
Dependent Claim
51 words
A fluoroaliphaticsulfonyl ethylene compound especially suited as a catalyst in epoxide, vinyl ether, and N-vinyl monomer polymerization and having the formula wherein R f is a monovalent saturated fluoroaliphatic radical; X is a monovalent, non-ionic, electron withdrawing radical at least as electron withdrawing as a benzoyl radical; Z is amino, dialkylamino,
Claim 3
Dependent Claim
15 words
The compound of claim 1 wherein X is SO 2 R' f wherein R' f
Claim 4
Dependent Claim
31 words
A process comprising contacting monomer selected from the group consisting of epoxides, vinyl ethers, and N-vinyl compounds with a catalytic amount of the compound of claim 1 to effect polymerization of
Claim 5
Dependent Claim
55 words
A fluoroaliphaticsulfonyl ethylene compound especially suited as a catalyst in epoxide, vinyl ether, and N-vinyl monomer polymerization and having the formula ##STR15## wherein R f is a monovalent saturated fluoroaliphatic radical; X is a monovalent, non-ionic, electron withdrawing radical at least as electron withdrawing as a benzoyl radical, and Z is amino, dialkylamino, or alkylamino.
Claim 6
Dependent Claim
55 words
A fluoroaliphaticsulfonyl ethylene compound especially suited as a catalyst in epoxide, vinyl ether, and N-vinyl monomer polymerization and having the formula ##STR15## wherein R f is a monovalent saturated fluoroaliphatic radical; X is a monovalent, non-ionic, electron withdrawing radical at least as electron withdrawing as a benzoyl radical, and Z is amino, dialkylamino, or alkylamino.
Claim 7
Dependent Claim
21 words
The compound of claim 5 wherein X is SO 2 R' f wherein R' f is a monovalent saturated fluoroaliphatic radical.
Claim 8
Dependent Claim
20 words
The compound of claim 6 wherein R' f and R f are perfluoroaliphatic radicals having 1 to 18 carbon atoms.
Claim 9
Dependent Claim
14 words
The compound of claim 7 wherein R' f and R f are perfluoromethyl groups.
Claim 10
Dependent Claim
33 words
A process comprising contacting monomers selected from the group consisting of epoxides, vinyl ethers, and N-vinyl compounds with a catalytic amount of the compound of claim 5 to effect polymerization of said monomer.
References Cited (Backward Citations)
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US3355494A
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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) | 1979-10-05 | 1980-04-05 | 1980-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-05 | 1984-04-05 | 1984-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-05 | 1988-04-05 | 1988-10-05 | $7700.00 | Window Closed / Lapsed |