US3791998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paste type organopolysiloxane composition and fabrics coated therewith
Assignee: Wacker Chemical Corp
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Filing: 1971-07-19
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Granted: 1974-02-12
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Expires: 1991-07-19
Abstract
Abstract A FLOWABLE ORGANOPOLYSILOXANE COMPOSITION COMPRISING AN ORGANOPOLYSILOXANE POLYMER HAVING A VISCOSITY BETWEEN 100,000 AND 750,000 CENTISTOKES, A CURING AGENT, A HYDROXYL-TERMINATED ORGANOPOLYSILOXANE, AND FILLER TO FORM A COMPOSITION HAVING A PENETROMETER VALUE OF BETWEEN 250 AND 350. THE COMPOSITION MAY BE APPLIED TO AN UNTREATED FABRIC AND THEREAFTER CURED AT AN ELEVATED TEMPERATURE TO FORM A SILICONE RUBBER IMPREGNATED FABRIC.
Inventors
- 👤 C Bruns
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:46
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/46; C; C08; C08K; C08K13/00; C08K13/02; C08K3/00; C08K3/01; C08K3/013; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08L; C08L83/00; C08L83/04; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436; C08G; C08G77/00; C08G77/04; C08G77/20; C08G77/22; C08G77/24; C08G77/26; C08G77/70; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663; Y10T442/00; Y10T442/20; Y10T442/2213; Y10T442/2221; Y10T442/223
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |