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:
May. 01, 1990
Filed:
Apr. 14, 1988
Applicant:
Inventors:
Terence Gilkerson, Canterbury, GB;
Robert W Shaw, Sittingbourne, GB;
David C Jennens, Sittingbourne, GB;
Assignee:
Shell Internationale Research Maatschappij B.V., The Hague, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ;
U.S. Cl.
CPC ...
71 88 ; 71 98 ; 71103 ; 71105 ; 71106 ; 71118 ; 71121 ; 560250 ; 560251 ; 558412 ; 558414 ; 549442 ; 564221 ; 564256 ; 564 85 ; 564 86 ; 564 87 ;
Abstract
The invention provides compounds of the general formula ##STR1## wherein R represents a hydrogen atom, or an optionally substituted alkyl or acyl group, or an alkenyl or alkynyl group or an inorganic or organic cation;