Patent US3597256A successfully refreshed from Google Patents.
US3597256A
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Suede-like sheet material of an acrylonitrile/butadiene polymer containing an additive
Assignee: EIDP Inc
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Filing: 1968-06-18
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Granted: 1971-08-03
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Expires: 1988-06-18
Abstract
Abstract AN IMPROVED SUPPLE, SYNTHETIC, MICROPOROUS VAPOR PERMEABLE SUEDE SHEET MATERIAL OF A NON-WOVEN SYNTHETIC FLEXIBLE FIBROUS WEB THAT IS IMPREGNATED WITH A POLYMERIC BINDER OF BUTADIENE AND ACRYLONITRILE AND THE POLYMERIC BINDER CONTAINS ABOUT 0.1-20 PARTS OF ADDITIVE PER 100 PARTS OF BINDER WHERE THE ADDITIVE IS EITHER A HYDROCARBON OIL OR A SILICONE OIL.
Inventors
- 👤 Charles A Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 04:45
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0056; D06N3/0061; C; C08; C08J; C08J9/00; C08J9/28; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; D06M; D06M15/00; D06M15/693; D06N3/007; D06N3/0072; D06N3/04; D06N3/10; D06N3/12; D06N3/14; C08J2201/00; C08J2201/04; C08J2201/05; C08J2201/0504; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/23986
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) | 1974-08-02 | 1975-02-01 | 1975-08-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-02 | 1979-02-01 | 1979-08-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-02 | 1983-02-01 | 1983-08-03 | $7700.00 | Window Closed / Lapsed |