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:
Feb. 06, 1979
Filed:
Feb. 22, 1977
Applicant:
Inventor:
Werner Baumann, Therwil, CH;
Assignee:
Sandoz Ltd., Basel, CH;
Primary Examiner:
Int. Cl.
CPC ...
C09B / ; D06P / ; D06P / ; D06P / ;
U.S. Cl.
CPC ...
260372 ; 260376 ; 260377 ;
Abstract
The present invention relates to 2-phenoxy or 2-phenylthio anthraquinone compounds which bear a group of formula VI, ##STR1## bound to the para position of the phenoxy or phenylthio group, IN WHICH R.sub.3 is hydrogen; (C.sub.1-6)alkyl; (C.sub.1-3)alkyl monosubstituted by hydroxyl, cyano, (C.sub.1-2)alkylcarbonyloxy, (C.sub.1-2)alkoxycarbonyl or (C.sub.1-2)alkoxycarbonyloxy; (C.sub.2-6)alkenyl; phenyl; or tolyl;
Quick Actions:
Baumann, Werner. (1979). 2-phenoxy and 2-phenylthio anthraquinone disperse dyes (U.S. Patent No. 4138414). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4138414
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile