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:
Sep. 05, 1989
Filed:
Jul. 14, 1986
Applicant:
Inventors:
Cecil V Stead, Manchester, GB;
Steven J Burton, Chorley, GB;
Christopher R Lowe, Saffron Walden, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
530351 ; 530359 ; 530363 ; 530381 ; 536-11 ; 536112 ; 544187 ; 544189 ; 544334 ; 544335 ;
Abstract
A compound of the formula: ##STR1## wherein X is a non-chromophoric bridging group which provides at least three single covalent bonds between Ring B and the group R;
Stead, Cecil. (1989). Anthraquinone derivatives and their use as protein absorbents (U.S. Patent No. 4864018). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4864018
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile