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:
Dec. 21, 1976
Filed:
Aug. 15, 1975
Wolfram Schultheiss, Kiefernweg, D;
Harald Hoffmann, Mannheim, D;
Firma Carl Freudenberg, Weinheim an der Bergstrasse, D;
Abstract
In a method of dyeing or bleaching shrinking yarns positioned in the form of cheeses or cross/wound packages on a fiber package by contacting said yarns with a dyeing or bleaching liquor while the same are maintained on said fiber package, the improvement which comprises utilizing as the packaged one having an interior sleeve of a porous, elastic, non-woven fabric of synthetic fibers, said fabric free of any binding agent, said synthetic fibers being largely non-dyeable under the conditions of the dyeing process.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile