US3829288A
Expired / Lapsed
US
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Process for finishing cellulose-containing textiles
Assignee: Chemische Fabrik Pfersee GmbH
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Filing: 1972-06-01
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Granted: 1974-08-13
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Expires: 1992-06-01
Abstract
Abstract A PROCESS FOR FINISHING TEXTILES AT LEAST PARTLY CONTAINING CELLULOSE WITH AMINOPLAST-RESINS AND ORGANOPOLYSILOXANES FROM ORGANIC SOLVENTS, IS CHARACTERIZED IN THAT CONDITIONALLY MOIST TEXTILES ARE IMPREGNATED WITH BATHS CONTAINING FROM 5 GR./1. TO 60 GR./1. OF AN ORGANICALLY SOLUBLE ARTIFICIAL RESIN PREFERABLY ETHERIFIED WITH LOWER MONOVALENT ALCOHOLS, 5 GR./1. TO 50 GR./1. OF A HYDROGEN ALKYLPOLYSILOXANE, AT LEAST 25 ML./1/ OF A POLAR SOLVENT AND AT LEAST 1.5 GR./1. OF A DIALKYLTINACYLATE DISSOLVED IN A NONPOLAR WATER-INSOLUBLE SOLVENT. THEREUPON THE TEXTILES ARE FREED FROM THE SURPLUS BATH, DRIED AND CONDENSED.
Inventors
- 👤 H Deiner
- 👤 H Hofstetter
- 👤 W Bernheim
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 18:08
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/643; D06M15/6436
Claims Analysis
Total Claims: 0
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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) | 1977-08-12 | 1978-02-11 | 1978-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-12 | 1982-02-11 | 1982-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-12 | 1986-02-11 | 1986-08-13 | $7700.00 | Window Closed / Lapsed |