US3719634A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Room temperature vulcanizable silicone elastomers containing metal hydrocarbonoxides
Assignee: Dow Silicones Corp
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Filing: 1971-06-18
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Granted: 1973-03-06
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Expires: 1991-06-18
Abstract
Abstract ROOM TEMPERATURE VULCANIZABLE SILICONE ELASTOMER COMPOSITIONS PREPARED BY MIXING A HYDROXYL ENDBLOCKED POLYDIORGANOSILOXANE, AN ALKOXY SILICON COMPOUND, A METAL SALT OF A CARBOXYLIC ACID AND A METAL HYDROCARBONOXIDE SUCH AS FE(OR)3, V(OR'')3, CO(OR'')2, MOO2(OR'')2, ZN(OR'')2, CE(OR'')3 AND AL(OCH2CH3)3 WHERE R IS ETHYL, PROPYL, BUTYL OR PHENYL AND R'' IS ETHYL, PROPYL OR BUTYL HAS IMPROVED ADHESION TO METAL SURFACES.
Inventors
- 👤 W Clark
- 👤 T Greenlee
- 👤 L Toporcer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:08
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0091
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) | 1976-03-05 | 1976-09-04 | 1977-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-03-05 | 1980-09-04 | 1981-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-03-05 | 1984-09-04 | 1985-03-06 | $7700.00 | Window Closed / Lapsed |