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:
Mar. 04, 1980
Filed:
Apr. 12, 1977
Applicant:
Inventors:
Rolf Muller, Karben, DE;
Joachim Ribka, Offenbach, DE;
Assignee:
Cassella Aktiengesellschaft, 6 Frankfurt(Main)-Fechenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; C09B / ;
U.S. Cl.
CPC ...
260147 ; 260141 ; 260142 ; 260153 ; 260154 ; 260158 ; 260162 ; 260163 ; 2603145 ; 548364 ;
Abstract
Process for preparing fiber-reactive water-soluble phthalocyanine azo dyes, using the following conversion stages ##STR1## followed by the diazonium coupling of the fiber-reactive group to the pyrazole ring. The novel intermediates are desirable products.
Muller, Rolf. (1980). Process for preparing fiber-reactive phthalocyanine azo dyes (U.S. Patent No. 4191686). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4191686
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile