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. 15, 1995
Filed:
Dec. 14, 1993
Applicant:
Inventors:
Rene Kiesewetter, Soltau-Ahlften, DE;
Reinhard Kniewske, Fallingbostel, DE;
Eugen Reinhardt, Walsrode, DE;
Klaus Szablikowski, Walsrode, DE;
Assignee:
Wolff Walsrode Aktiengesellschaft, Walsrode, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08B / ; C09D / ;
U.S. Cl.
CPC ...
536 84 ; 536 90 ; 536 92 ; 536 97 ; 536 98 ; 8445 ; 8528 ;
Abstract
The present invention relates to sulphoalkylcellulose derivatives, in particular sulphoethylcellulose, with a degree of substitution by sulphoethyl groups of 1.2 to 2.0 using a one- to three-step, preferably two-step process and the use of the sulphoalkyl-cellulose derivatives as thickening agents or rheology improvers in textile printing.