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. 29, 1983
Filed:
Mar. 10, 1983
Theo Stahl, Frankfurt am Main, DE;
Ulrich Buhler, Schoneck, DE;
Cassella Aktiengesellschaft, Frankfurt am Main, DE;
Abstract
An improved process for preparing white or colored burn-out effects on textile materials containing hydrophobic fibers and cellulose fibers which process comprises applying to the material a dyeing liquor or printing paste containing at least one disperse dyestuff for dyeing the hydrophobic fibers alone or mixed with dyestuff for dyeing the cellulose fibers, applying a burn-out agent to the textile material in the form of a pattern, and then heat-treating the textile material at about 100.degree. to 240.degree. C. whereby the dyestuff is fixed and the burnout effect is produced, wherein the improvement comprises said dyeing liquor or print paste contains at least one disperse dyestuff which is discharged by the burn-out agent.