US3563795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Textiles impregnated with an aminoplast resin and a vinyl ester carboxylic acid ester soil release agent
Assignee: Monsanto Co
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Filing: 1968-07-08
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Granted: 1971-02-16
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Expires: 1988-07-08
Abstract
Abstract DISCLOSED HEREIN IS AN IMPROVEMENT IN A PROCESS FOR IMPARTING SOIL RELEASE CHARACTERISTICS TO TEXTILES WHEREIN THE IMPROVEMENT COMPRISES EMPLOYING AS THE SOIL RELEASE AGENT A WATER-SOLUBLE INTERPOLYMER OF A VINYL ESTER WITH A PARTIAL ESTER OF AN ETHYLENICALLY UNSATURATED DICARBOXYLIC ACID OR ANHYDRIDE.
Inventors
- 👤 Charles R Williams
- 👤 Elmer H Rossin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:05
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2279
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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |