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US2741568A Expired / Lapsed US ⏱️ 0.0 years remaining

Water insoluble polymeric quaternary ammonium carboxylate salts and the treatment of textiles therewith

Assignee: EIDP Inc
•
Filing: 1951-12-05
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Granted: 1956-04-10
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Expires: 1971-12-05
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Abstract

No abstract record available.

Inventors

  • 👤 Hayek Mason

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 03:24
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/356; D06M15/3562; D06M15/263; D06M15/267; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2418; Y10T442/2434

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 138 words
A METHOD OF IMPARTING DURABLE ANTI-STATIC PROPERTIES TO TEXTILE FIBERS AND FABRICS WHICH COMPRISES APPLYING TO THE SURFACE OF THE TEXTILE A WATER-SOLUBLE POLYMER OF ETHYLENICALLY-UNSATURATED MONOMERS, EACH OF WHICH CONTAINS A VINYLIDENE RADICAL IN WHICH IS PRESENT ITS ONLY NON-AROMATIC CARBON-TO-CARBON UNSATURATION, THE VINYLIDENE RADICAL IN AT LEAST 1% OF SAID MONOMERS BEING ATTACHED DIRECTLY TO A CARBON ATOM HAVING A DOUBLE BOND AND BEING ATTACHED IMMEDIATELY TO A NITROGEN-CONTAINING GROUP FROM THE CLASS CONSISTING OF TERTIARY AMINO AND QUATERNARY AMMONIM GROUPS, SAID NITROGEN-CONTAINING GROUPS EXISTING IN THE POLYMER IN THE FORM OF QUATERNARY AMMONIUM GROUPS, AND THEREAFTER CONTACTING THE SURFACE OF THE TEXTILE WITH A MEMBER OF THE CLASS CONSISTING OF CARBOXYLIC ACIDS CONTAINING AN ACYCLIC CARBON CHAIN OF AT LEAST 8 CARBON ATOMS AND THEIR ALKALI METAL SALTS SO AS TO FORM A WATER-INSOLUBLE SALT.

References Cited (Backward Citations)

US2563506A Cited
US2138763A Cited
US2390235A Cited
US2487829A Cited
US2591573A Cited
US2636851A Cited
US2540985A Cited
US2595225A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-04-10 1959-10-10 1960-04-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-04-10 1963-10-10 1964-04-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-04-10 1967-10-10 1968-04-10 $7700.00 Window Closed / Lapsed

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