US3313837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organosilicon compounds
Assignee: Evonik Operations GmbH
•
Filing: 1963-05-03
•
Granted: 1967-04-11
•
Expires: 1983-05-03
Abstract
No abstract record available.
Inventors
- 👤 Rossmy Gerd
- 👤 Koerner Gotz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:08
CPC Classifications
C; C08; C08G; C08G77/00; C08G77/60; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08G77/48
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
5 words
ORGANOSILICON COMPOUNDS OF THE FORMULA
Claim 2
Dependent Claim
5 words
ORGANOSILICON COMPOUNDS OF THE FORMULA
Claim 3
Dependent Claim
15 words
A PROCESS OF PREPARING 1.1-SILOXAALKANES WHICH COMPRISES REACTING A SILANE (A) OF THE GENERAL FORMULA
Claim 4
Dependent Claim
15 words
A PROCESS OF PREPARING 1.1-SILOXAALKANES WHICH COMPRISES REACTING A SILANE (A) OF THE GENERAL FORMULA
References Cited (Backward Citations)
US2486162A
Cited
US2711417A
Cited
US2983744A
Cited
US2983745A
Cited
US2967171A
Cited
US2906735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |