US3578481A
Expired / Lapsed
US
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Suede-like sheet material of styrene/butadiene polymer containing an additive
Assignee: EIDP Inc
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Filing: 1968-06-18
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Granted: 1971-05-11
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Expires: 1988-06-18
Abstract
Abstract AN IMPROVED SUPPLE, SYNTHETIC, MICROPOROUS VAPOR PERMEABLE SUEDE-LIKE SHEET MATERIAL OF A NON-WOVEN SYNTHETIC FLEXIBLE FIBROUS WEB THAT IS IMPREGNATED WITH A POLYMERIC BINDER OF STYRENE AND BUTADIENE AND THE POLYMERIC BINDER CONTAINS ABOUT 0.1-10 PARTS IF A SILICONE OIL ADDITIVE PER 100 PARTS OF POLYMERIC.
Inventors
- 👤 Charles A Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:40
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/04; D06N3/10; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/587; D04H1/64; Y; Y10; Y10S; Y10S428/00; Y10S428/904; Y10T; Y10T428/00; Y10T428/23907; Y10T428/2395; Y10T428/23986; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |