Patent US3109012A successfully refreshed from Google Patents.
US3109012A
Expired / Lapsed
US
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Method of producing organo-silicon compounds and products therefrom
Assignee: Evonik Operations GmbH
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Filing: 1960-06-10
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Granted: 1963-10-29
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Expires: 1980-06-10
Abstract
No abstract record available.
Inventors
- 👤 Rossmy Gerd
- 👤 Wassermeyer Jakob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:28
CPC Classifications
C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0834; C07F7/0838; C07F7/0872; C07F7/0874; C07F7/0801; C07F7/0876; C08; C08G; C08G77/00; C08G77/48; C14; C14C; C14C9/00; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S516/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A METHOD OF PREPARING ORGANO-SILICON COMPOUNDS HAVING SULPHATE ESTER GROUPS BOUND TO SILICON ATOMS BY CARBON BONDS WHICH COMPRISES REACTING AN ORGANO-SILICON COMPOUND OF THE GENERAL FORMULA
Claim 2
Independent Claim
27 words
A METHOD OF PREPARING ORGANO-SILICON COMPOUNDS HAVING SULPHATE ESTER GROUPS BOUND TO SILICON ATOMS BY CARBON BONDS WHICH COMPRISES REACTING AN ORGANO-SILICON COMPOUND OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2582569A
Cited
US2770633A
Cited
US2922807A
Cited
US2922806A
Cited
US2955128A
Cited
US2968643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |