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Patent US2684957A successfully refreshed from Google Patents.
US2684957A
Expired / Lapsed
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Low compression set siloxane rubbers
Assignee: Dow Silicones Corp
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Filing: 1952-05-02
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Granted: 1954-07-27
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Expires: 1972-05-02
Abstract
No abstract record available.
Inventors
- 👤 George M Konkle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:35
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/24; C08K3/26; C08G; C08G77/00; C08G77/04; C08G77/14; C08G77/16; C08G77/18; C08G77/20; C08G77/70; C08K3/34; C08K3/36; C08K5/00; C08K5/04; C08K5/14; C08L; C08L83/00; C08L83/04; C08L2666/00; C08L2666/54
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIC ORGANOSILOXANE HAVING A VISCOSISTY OF AT LEAST 10,000 CS. AT 25* C. IN WHICH SILOXANE THE ORGANIC RADICALS ARE SELECTED FROM THE GROUP CONSISTING OF PHENYL AND METHYL RADICALS AND THERE BEING FROM 1.9 TO 2 OF SAID RADICALS PER SILICON ATOM, A FILLER, A VULCANIZING AGENT AND FROM 3/4 TO 8 PARTS BY WEIGHT BASED ON 100 PARTS BY WEIGHT OF THE SILOXANE OF A CADMIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF CADMIUM OXIDE, PEROXIDE AND CARBONATE.
Claim 2
Dependent Claim
86 words
A COMPOSITION OF MATTER COMPRISING A POLYMERIC ORGANOSILOXANE HAVING A VISCOSISTY OF AT LEAST 10,000 CS. AT 25* C. IN WHICH SILOXANE THE ORGANIC RADICALS ARE SELECTED FROM THE GROUP CONSISTING OF PHENYL AND METHYL RADICALS AND THERE BEING FROM 1.9 TO 2 OF SAID RADICALS PER SILICON ATOM, A FILLER, A VULCANIZING AGENT AND FROM 3/4 TO 8 PARTS BY WEIGHT BASED ON 100 PARTS BY WEIGHT OF THE SILOXANE OF A CADMIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF CADMIUM OXIDE, PEROXIDE AND CARBONATE.
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) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |