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:
Apr. 30, 1996
Filed:
Jul. 28, 1994
Applicant:
Inventors:
Andreas von der Eltz, Frankfurt am Main, DE;
Joachim Clauss, Frankfurt am Main, DE;
Andreas Schrell, Frankfurt am Main, DE;
Assignee:
Hoechst AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D06M / ; D06M / ; D06P / ;
U.S. Cl.
CPC ...
8541 ; 8542 ; 8551 ; 8608 ; 8181 ; 81164 ; 811565 ; 8DIG / ; 8922 ; 8924 ; 8926 ; 8918 ; 8543 ;
Abstract
Fiber materials are modified with a polyalkyleneimine polymer at crosslinking agent, preferably glyoxal, and optionally dyed with water-soluble, anionic dyes, preferably reactive dyes. The dyeing process with fiber materials modified according to the invention can be carried out low-salt or completely without salt and also alkali-free or using only minimal amounts of alkali.