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:
Jul. 27, 1976
Filed:
Mar. 05, 1974
Applicant:
Inventors:
Nalin Binduprasad Desai, Goregaon-Bombay, IN;
Ponnusami Jayaraman, Goregaon-Bombay, IN;
Visvanathan Ramanathan, Basel, CH;
Klaus Artz, Muttenz, CH;
Navnitrai Nagarji Naik, Goregaon-Bombay, IN;
Walter Jenny, Basel, CH;
Assignee:
Ciba-Geigy AG, Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ; C09B / ; C09B / ;
U.S. Cl.
CPC ...
260158 ; 2601 / ; 260147 ; 260152 ; 2602071 ; 260155 ; 260156 ; 260157 ; 260162 ; 260163 ; 8 41 / ; 8 50 ; 260174 ;
Abstract
Azo dyestuffs containing at least one group of formula --X--CO--NR--SO.sub.2 aryl, wherein R is hydrogen alkyl or cycloalkyl and X is an oxygen or sulphur atom or a group of formula --NR.sub.1 --, wherein R.sub.1 is hydrogen alkyl or cycloalkyl. The dyestuffs dye polyester fibers in fast shades.