The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 04, 1980
Filed:
Jul. 16, 1979
Applicant:
Inventors:
Nathan H Koenig, Albany, CA (US);
Mendel Friedman, Moraga, CA (US);
Assignee:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D06M / ; D06M / ; D06M / ; D06M / ;
U.S. Cl.
CPC ...
81276 ; 81275 ; 8128 / ;
Abstract
Proteinaceous fibers are modified by first contacting the fibers with an aqueous solution of a cupric salt of a carboxylic acid containing from 2-18 carbon atoms and then contacting the so-treated fibers with a hot, semipolar, water-miscible organic solvent. The modified fibers exhibit increased resistance to shrinkage.
Koenig, Nathan. (1980). Shrinkproofing wool with copper salts of carboxylic acids (U.S. Patent No. 4231747). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4231747
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile