US3021292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon rubber-vinyl containing organopolysiloxane composition and method of making same
Assignee: General Electric Co
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Filing: 1954-08-16
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Granted: 1962-02-13
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Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Dallas T Hurd
- 👤 Robert C Osthoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:48
CPC Classifications
C; C08; C08L; C08L21/00; C08G; C08G77/00; C08G77/04; C08G77/20; C08L23/00; C08L23/02; C08L23/18; C08L23/20; C08L23/22; C08L7/00; C08L83/00; C08L83/04; C08L2666/00; C08L2666/02; C08L2666/04; C08L2666/08; C08L2666/14; Y; Y10; Y10T; Y10T152/00; Y10T152/10; Y10T152/10495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A SULFUR COVULCANIZABLE MIXTURE COMPRISING (A) FROM 45 TO 99%, BY WEIGHT, OF A MIXTURE CONTAINING ON A WEIGHT BASIS FROM 25 TO 95 PARTS OF A VULCANIZABLE GUM SELECTED FROM THE CLASS CONSISTING OF NATURAL RUBBER, A COPOLYMER OF A DIOLEFIN AND A MONOOLEFIN WHEREIN THE DIOLEFIN IS EQUAL TO AT MOST 5%, BY WEIGHT, OF THE TOTAL WEIGHT OF THE DIOLEFIN AND THE MONOOLEFIN, A COPOLYMER OF BUTADIENE AND ACRYLONITRILE, A COPOLYMER OF BUTADIENE AND STYRENE, ANDA HOMOPOLYMER OF 2-CHLOROBUTADIENE, AND FROM 5 TO 75 PARTS OF AN ORGANOPOLYSILOXANE GUM COMPOSITION CONVERTIBLE TO THE CURED, SOLID, ELASTIC STATE HAVING THE FORMULA
Claim 2
Dependent Claim
103 words
A SULFUR COVULCANIZABLE MIXTURE COMPRISING (A) FROM 45 TO 99%, BY WEIGHT, OF A MIXTURE CONTAINING ON A WEIGHT BASIS FROM 25 TO 95 PARTS OF A VULCANIZABLE GUM SELECTED FROM THE CLASS CONSISTING OF NATURAL RUBBER, A COPOLYMER OF A DIOLEFIN AND A MONOOLEFIN WHEREIN THE DIOLEFIN IS EQUAL TO AT MOST 5%, BY WEIGHT, OF THE TOTAL WEIGHT OF THE DIOLEFIN AND THE MONOOLEFIN, A COPOLYMER OF BUTADIENE AND ACRYLONITRILE, A COPOLYMER OF BUTADIENE AND STYRENE, ANDA HOMOPOLYMER OF 2-CHLOROBUTADIENE, AND FROM 5 TO 75 PARTS OF AN ORGANOPOLYSILOXANE GUM COMPOSITION CONVERTIBLE TO THE CURED, SOLID, ELASTIC STATE HAVING THE FORMULA
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) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |