US3578490A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded articles and coatings based on organopolysiloxanes
Assignee: Wacker Chemie AG
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Filing: 1968-02-07
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Granted: 1971-05-11
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Expires: 1988-02-07
Abstract
Abstract MOLDED ARTICLES AND COATINGS PREPARED FROM ORGANOPOLYSILOXANES HAVING OLEFINICALLY UNSATURATED ORGANIC SUBSTITUENTS BONDED TO SILICON ARE COATED WITH ORGANOSILICON COMPOUNDS HAVING SIN GROUPS THEREBY REDUCING OR ELIMINATING THE SURFACE TACKINESS HERETOFORE ENCOUNTERED.
Inventors
- 👤 Ignaz Bauer
- 👤 Siegfried Nitzsche
- 👤 Rudolf Riedle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:01
CPC Classifications
C; C08; C08J; C08J7/00; C08J7/04; C08J7/06; C08J7/065; C08K; C08K5/00; C08K5/04; C08K5/14; C08K5/54; C08K5/544; C08K5/5445; C09; C09D; C09D4/00; C08J2383/00; C08J2383/04
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) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |