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. 28, 1992
Filed:
Feb. 07, 1991
Applicant:
Inventors:
David P Pearson, Maidenhead, GB;
John E Barton, North Stoke, GB;
David Cartwright, Lower Earley, GB;
Susan P Barnett, Binfield, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ;
U.S. Cl.
CPC ...
71 92 ; 546117 ;
Abstract
A compound of formula (I): ##STR1## in which the dotted lines indicate the presence of two double bonds arranged so as to form a fused hetero-aromatic ring system;