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:
Oct. 05, 1993
Filed:
May. 12, 1992
Applicant:
Inventors:
Wolfgang Saus, Grevenbroich, DE;
Dierk Knittel, Krefeld, DE;
Eckhard Schollmeyer, Kempen, DE;
Hans-Jurgen Buschmann, Krefeld, DE;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D06P / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
8475 ; 8440 ; 8505 ; 8922 ;
Abstract
Dyeing polyester textile material with disperse dyes from supercritical CO.sub.2 gives stronger dyeings by carrying out the subsequent pressure reduction in a plurality of steps.