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:
Jun. 02, 1981
Filed:
Dec. 22, 1978
Applicant:
Inventor:
Karl Seitz, Oberwil, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ;
U.S. Cl.
CPC ...
8549 ; 8918 ; 2601 / ; 260151 ; 260153 ; 544181 ; 544204 ;
Abstract
Reactive dyes of the formula ##STR1## wherein one Y is hydrogen and the other Y is sulfo, R.sub.1 and R.sub.2 are hydrogen or the group --N(R.sub.1)--A--N(R.sub.2)-- is a piperazine radical, A is an alkylene or arylene radical, and Z is an amino, alkoxy or alkylthio group, and the benzene ring B can contain further substituents in addition to the --SO.sub.3 H--group.