US3696068A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosiloxane elastomers
Assignee: Union Carbide Corp
•
Filing: 1970-05-18
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Granted: 1972-10-03
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Expires: 1990-05-18
Abstract
Abstract CROSSLINKED SILICONE ELASTOMERS; VINYL CONTAINING LINEAR ORGANOSILOXANE COPOLYMER FLUIDS SAID VINYL RADICALS CONSTITUTING FROM ABOUT 5 TO ABOUT 10 WEIGHT PERCENT OF THE COPOLYMER FLUIDS; AND HEAT-CURABLE SILICONE GUMSTOCK COMPOSITIONS COMPRISING (1) A CROSSLINKABLE DIORGANOPOLYSILOXANE GUM CONTAINING VINYLSILOXY UNITS AND (2) VINYL CONTAINING LINEAR ORGANOSILOXANE COPOLYMER FLUIDS SAID VINYL RADICALS CONSTITUTING FROM ABOUT 3 TO ABOUT 17 WEIGHT PERCENT OF THE COPOLYMER FLUIDS, FOR USE IN THE PRODUCTION OF SAID SILICONE ELASTOMERS.
Inventors
- 👤 Charles Edward Creamer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:48
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/18; C08G77/20; C08G77/22; C08G77/26; C08G77/70
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) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |