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:
Jun. 09, 1981
Filed:
Mar. 06, 1979
Applicant:
Inventor:
Bernhard Schlick, Basel, CH;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
8529 ; 8583 ; 8607 ; 8616 ; 8617 ;
Abstract
A process for dyeing without shrinkage with a disperse dyestuff or an optical brightening agent a fibrous substrate whose fibres comprise a mixture of polyvinyl chloride and acetalized polyvinyl alcohol, in which the substrate is dyed at a temperature from 60.degree. to 90.degree. C. in the presence of a levelling carrier, this levelling carrier being removable when the dried substrate is subsequently submitted to a dry heat treatment for a period up to 120 seconds and at a temperature from 95.degree. to 135.degree. C.
Schlick, Bernhard. (1981). Disperse dyeing of polyvinyl chloride-acetelized polyvinyl alcohol fibers (U.S. Patent No. 4272244). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4272244
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile