US3050485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for curing organopolysiloxane compositions with sulfur-containing compounds which are reducible by nascent hydrogen
Assignee: Wacker Chemie AG
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Filing: 1958-07-16
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Granted: 1962-08-21
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Expires: 1978-07-16
Abstract
No abstract record available.
Inventors
- 👤 Nitzsche Siegfried
- 👤 Wick Manfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:09
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/18; C08G77/22; C08G77/24; Y; Y10; Y10S; Y10S525/00; Y10S525/912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF PREPARING A SILICONE RUBGER CONSISTING OF ADMIXING (1) AN ESSENTIALLY DIORGANOSILOXANE POLYMER OF THE FORMULA ZO(RXSIO)NZ WHER EACH R IS SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND HALOGENATED MONOVALENT HYDROCARBON RADICALS, EACH Z IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN ATOMS, MONOVALENT HYDROCARBON RADICALS AND HALOGENATED MONOVALENT HYDROCARBON RADICALS, X HAS AN AVERAGE VALUE OF FROM 1.95 TO 2.05 AND N HAS A VALUE OF AT LEAST 50, (2) AN ORGANOLHYDROGENSILOXANE FLUID OF THE AVERAGE UNIT FORMULA
Claim 2
Independent Claim
84 words
A METHOD OF PREPARING A SILICONE RUBGER CONSISTING OF ADMIXING (1) AN ESSENTIALLY DIORGANOSILOXANE POLYMER OF THE FORMULA ZO(RXSIO)NZ WHER EACH R IS SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND HALOGENATED MONOVALENT HYDROCARBON RADICALS, EACH Z IS SELECTED FROM THE GROUP CONSISTING OF HYDROGEN ATOMS, MONOVALENT HYDROCARBON RADICALS AND HALOGENATED MONOVALENT HYDROCARBON RADICALS, X HAS AN AVERAGE VALUE OF FROM 1.95 TO 2.05 AND N HAS A VALUE OF AT LEAST 50, (2) AN ORGANOLHYDROGENSILOXANE FLUID OF THE AVERAGE UNIT FORMULA
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) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |