Patent US3661963A successfully refreshed from Google Patents.
US3661963A
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Quaternary ammonium salts of chloromethylated silicon compounds
Assignee: Union Carbide Corp
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Filing: 1969-03-03
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Granted: 1972-05-09
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Expires: 1989-03-03
Abstract
Abstract QUATERNARY AMMONIUM SALTS OF CHLOROMETHYLATE SILANES OR SILOXANES WHICH CONTAINS AT LEAST ONE (CL-R3"N+CH2-AR-(R$N) RADICAL DIRECTLY LINKED TO A SILICON ATOM WHEREIN AR IS AN ARYLENE RADICAL, WHEREIN R"2N TAKEN COLLECTIVELY IS A TERTIARY AMINE RADICAL AND WHEREIN THE COMPOUNDS ARE USEFUL IN CONVENTIONAL SILICON APPLICATON SUCH AS ANTISTATIC AGENTS, WETTING AGENTS LUBRICANTS, HYDRAULIC FLUIDS COATING RESINS, ELASTOMERS AND CATIONIC SURFACTANTS.
Inventors
- 👤 Enrico J Pepe
- 👤 Bernard Kanner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:32
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/04; C08G77/22; C08G77/26; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/12; C07F7/18; C07F7/1804; C08G77/38; C08G77/382; C08G77/388; C10; C10M; C10M3/00; C10M2227/00; C10M2227/04; C10M2229/00; C10M2229/04; C10M2229/05; C10M2229/052; C10N; C10N2040/00; C10N2040/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1975-05-09 | 1975-11-08 | 1976-05-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-09 | 1979-11-08 | 1980-05-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-09 | 1983-11-08 | 1984-05-09 | $7700.00 | Window Closed / Lapsed |