US3573334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Olefinic silicone-organic polymer graft copolymers
Assignee: Union Carbide Corp
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Filing: 1964-12-29
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Granted: 1971-03-30
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Expires: 1984-12-29
Abstract
Abstract SILICONE-ORGANIC POLYMER GRAFT COPOLYMERS PRODUCED BY GRAFTING (1) AN OLEFINIC SILICONE COMPOUND TO (2) A NON-CROSSLINKED ORGANIC POLYMER CONSISTING ESSENTIALLY OF AT LEAST SIX RECURRING DIVALENT MONOMERIC UNITS, AT LEAST ONE OF WHICH UNITS CONTAINS A HYDROGEN ATOM DIRECTLY BONDED TO AN ALIPHATIC CARBON ATOM, SAID GRAFT COPOLYMERS HAVING BEEN PRODUCED BY HEATING A MIXTURE OF (1) AND (2) IN THE PRESENCE OF A FREE RADICAL GENERATOR. THE GRAFT COPOLYMERS ARE USEFUL AS LUBRICANTS, EMULSIFIERS AND STABILIZERS FOR URETHANE FOAMS.
Inventors
- 👤 Marshall L Wheeler Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:25
CPC Classifications
C; C08; C08F; C08F255/00; C08F255/02; C08F283/00; C08F283/06; C08F291/00; C08F8/00; C08F8/42; C08G; C08G77/00; C08G77/42; C08G77/442; C08G77/46; C08J; C08J9/00; C08J9/0061; C08K; C08K5/00; C08K5/04; C08K5/06; C08K5/14; C08K5/54; C08K5/541; C08K5/5425; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06; C08L51/00; C08L51/06; C10; C10M; C10M107/00; C10M107/20; C10M107/30; C10M107/32; C10M107/34; C10M107/38; C10M107/50; C10M145/00; C10M145/18; C10M145/24; C10M145/26; C10M147/00; C10M147/04; C10M155/00; C10M155/02; C10M3/00; C08J2375/00; C08J2375/04; C08J2451/00; C08L2312/00; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/1033; C10M2213/00; C10M2213/04; C10M2213/043; C10M2229/00; C10M2229/04; C10M2229/045; C10M2229/0455; C10N; C10N2040/00; C10N2040/20; C10N2040/46; C10N2060/00; C10N2060/06; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 0
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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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |