US2875172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for compounding alkyl aryl vinyl silicone elastomer with filler and silanediol, and product obtained thereby
Assignee: General Electric Co
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Filing: 1956-11-01
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Granted: 1959-02-24
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Expires: 1976-11-01
Abstract
No abstract record available.
Inventors
- 👤 Joseph C Caprino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:15
CPC Classifications
C; C08; C08L; C08L83/00; C08L83/04; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/70; C08K; C08K3/00; C08K3/34; C08K3/36
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
ATHE PROCESS OF IMPROVING THE PHYSICAL PROPERTIES OF CURED ALKYL ARYL VINYL SILICONE HAVING A FILLER COMPRISING SILICA WHICH COMPRISES ADDING TO THE UNCURED AND FILLED SILICONE DIPHENYLSILANEDIOL AND MIXING SAID UNCURED SILICONE UNDER A SHEARING AND SMEARING ACTION AT TEMPERATURES OF AT LEAST 140*C.
Claim 2
Dependent Claim
45 words
ATHE PROCESS OF IMPROVING THE PHYSICAL PROPERTIES OF CURED ALKYL ARYL VINYL SILICONE HAVING A FILLER COMPRISING SILICA WHICH COMPRISES ADDING TO THE UNCURED AND FILLED SILICONE DIPHENYLSILANEDIOL AND MIXING SAID UNCURED SILICONE UNDER A SHEARING AND SMEARING ACTION AT TEMPERATURES OF AT LEAST 140*C.
References Cited (Backward Citations)
US2541137A
Cited
US2819236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |