US3054769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized silicone elastomers and process for their production
Assignee: Union Carbide Corp
•
Filing: 1958-06-19
•
Granted: 1962-09-18
•
Expires: 1978-06-19
Abstract
No abstract record available.
Inventors
- 👤 Roscoe A Pike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:32
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
118 words
A PROCESS FOR PRODUCING STABILIZED SILICONE ELASTOMERS WHICH COMPRISES MIXING AN ORGANOPOLYSILOXANE GUM COMPOSED OF GROUPS HAVING THE FORMULA: FIG -01 WHEREIN R REPRESENTS A MONOVALENT HYDROCARBON GROUP THAT IS FREE OF OLEFINIC AND ACETYLENIC UNSATURATION AND R'' REPRESENTS A MEMBER SELECTED FROM THE GROUP CONSISTING OF THE MONOVALENT HYDROCARBON GROUPS THAT ARE FREE OF OLEFINIC AND ACETYLENIC UNSATURATION AND THE MONOVALENT OLEFINICALLY UNSATURATED GROUPS AND A ZEOLITIC MOLECULAR SIEVE, SAID ZEOLITIC MOLECULAR SIEVE BEING A CRYSTALLINE METAL-ALUMINOSILICATE AND SAID ZEOLITIC MOLECULAR SIEVE RETAINING AN AROMATIC ANTIOXIDANT CONTAINING AN ARYL GROUP HAVING A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF THE AMINO, HYDROXYL AND ALKOXY GROUPS TO FORM A CURABLE GUM COMPOUND AND CURING THE CURABLE GUM COMPOUND.
References Cited (Backward Citations)
US2389802A
Cited
US2460795A
Cited
US2557928A
Cited
US2517536A
Cited
US2480620A
Cited
BE563518A
Cited
US2620317A
Cited
US2666041A
Cited
US2953543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-09-17 | 1966-03-19 | 1966-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-09-17 | 1970-03-19 | 1970-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-09-17 | 1974-03-19 | 1974-09-18 | $7700.00 | Window Closed / Lapsed |