US3371104A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of preparing acyloxyalkyl group containing polysiloxanes
Assignee: Evonik Operations GmbH
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Filing: 1967-02-03
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Granted: 1968-02-27
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Expires: 1987-02-03
Abstract
No abstract record available.
Inventors
- 👤 Rossmy Gerd
- 👤 Korner Gotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:07
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0889; C07F7/0874; C07F7/12; C08; C08G; C08G77/00; C08G77/04; C08G77/06; C08G77/14; C08G77/38; C08G77/48; C10; C10M; C10M2229/00; C10M2229/04; C10M2229/045; C10M2229/046; C10M2229/047; C10M2229/048; C10M2229/05
Claims Analysis
Total Claims: 0
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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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |