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:
Aug. 06, 1996
Filed:
Sep. 29, 1995
Applicant:
Inventors:
Andreas Schrell, Frankfurt, DE;
Andreas von der Eltz, Frankfurt, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ; C08F / ;
U.S. Cl.
CPC ...
8561 ; 8538 ; 8921 ; 106164 ; 1061626 ; 264 78 ; 264194 ;
Abstract
Process for dyeing regenerated cellulose fibers, which comprises adding an amine-substituted cellulose derivative to a viscose dope or to an alkali cellulose and spinning fibers by the viscose spinning process, or adding said cellulose derivative to a cellulose solution and spinning fibers from the solution, processing fibers into a woven or knitted fabric and dyeing the fabric with a direct or acid dye in the absence of additional electrolyte salt.