US3133891A
Expired / Lapsed
US
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Room temperature curable siloxane compositions
Assignee: Rhone Poulenc SA
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Filing: 1961-05-17
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Granted: 1964-05-19
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Expires: 1981-05-17
Abstract
No abstract record available.
Inventors
- 👤 Ceyzeriat Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/06; C08G77/08; C08G77/14; C08G77/16; C08G77/20; C08G77/22; C08G77/24; C08G77/70
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
148 words
COMPOSITIONS VULCANISABLE IN THE PRESENCE OF WATER, WHICH COMPRISE A LINEAR DIORGANOPOLYSILOXANE CONSISTING OF UNITS OF THE FORMULA R2SIO IN WHICH EACH R REPRESENTS A MONOVALENT RADICAL SELECTED FROM THE GROUP CONSISTING OF HALOGENATED AND HALOGEN-FREE ALIPHATIC, ALICYCLIC AND AROMATIC HYDROCARBON RADICALS AND CONTAINING AT LEAST 0.1% BY WEIGHT OF HYDROXYL GROUPS AND ALSO COMPRISE 0.5% TO 25% BY WEIGHT, CALCULATED ON THE DIORGANOPOLYSILOXANE, OF AN ORGANOTRIACYOCYSILANE OF THE FORMULA R''SI(OCOR")3, IN WHICH R'' REPRESENTS A MONOVALENT RADICAL SELECTED FROM THE GROUP CONSISTING OF LOWER ALKYL, ALKENYL ARLY AND ARALKYL HYDROCARBON RADICALS AND R" REPRESENTS A MONOVALENT RADICAL SELECTED FROM THE GROUP CONSISTING OF ALKYL, RADICALS CONTAINNG 1 TO 18 CARBON ATOMS AND ARYL RADICALS, THE SAID COMPOSITION FURTHER CONTAINING A FILLER, A SOLVENT AND AN ACCELERATOR SELECTED FROM THE GROUP CONSISTING OF OXALIC ACID, P-AMINOBENZOIC ACID, ETHANOLAMINE, MORPHOLINE, DIETHYLAMINOETHANOL, METHYLDIETHANOLAMINE, O-TOLUENE SULPHONAMIDE AND ORGANIC DERIVATIVES OF TIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |