US2517536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of organo-siloxanes
Assignee: Universal Oil Products Co
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Filing: 1946-06-28
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Granted: 1950-08-08
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Expires: 1966-06-28
Abstract
No abstract record available.
Inventors
- 👤 Joseph A Chenicek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:18
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
22 words
A METHOD OF STABILIZING A LIQUID ORGANO-SILOXANE WHCH COMPRISES ADDING THERETO ABOUT 0.01% TO ABOUT 5% BY WEIGHT OF A 2-ALKYL-4-ALKOXY PHENOL.
Claim 2
Independent Claim
22 words
A METHOD OF STABILIZING A LIQUID ORGANO-SILOXANE WHCH COMPRISES ADDING THERETO ABOUT 0.01% TO ABOUT 5% BY WEIGHT OF A 2-ALKYL-4-ALKOXY PHENOL.
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) | 1953-08-07 | 1954-02-06 | 1954-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-07 | 1958-02-06 | 1958-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-07 | 1962-02-06 | 1962-08-08 | $7700.00 | Window Closed / Lapsed |