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. 08, 1998
Filed:
Jun. 02, 1995
Applicant:
Inventors:
Paul Alfred Cain, Cary, NC (US);
Susan Mary Cramp, Ongar, GB;
Claude Lambert, Ongar, GB;
Derek Ian Wallis, Ongar, GB;
Thomas David Yarwood, Ongar, GB;
Gillian Mary Little, Ongar, GB;
John Morris, Ongar, GB;
Tibor Musil, Ongar, GB;
Simon Neil Pettit, Ongar, GB;
Philip Henry Smith, Ongar, GB;
Assignee:
Rhone-Poulenc Agriculture Limited, Essex, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ;
U.S. Cl.
CPC ...
504309 ; 504310 ; 504312 ; 558 48 ; 558 57 ; 558405 ;
Abstract
Herbicides derived from 2-cyano-1,3-diones have the formula: ##STR1## wherein R, R.sup.1, R.sup.2 R.sup.3, R.sup.4 and R.sup.5 are as defined in the description. The compounds are intended for use pre- and post-emergence as selective herbicides in maize and a large number of other monocotyledon crops.