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:
Dec. 29, 1992
Filed:
Nov. 08, 1990
Heinz-Jurgen Wroblowsky, Langenfeld, DE;
Peter Babczinski, Wuppertal, DE;
Klaus Lurssen, Bergisch Gladbach, DE;
Hans-Joachim Santel, Leverkusen, DE;
Robert R Schmidt, Bergisch Gladbach, DE;
Bayer Aktiengesellschaft, Leverkusen, DE;
Abstract
Herbicidal pyrazolin-5-one derivatives of the formula ##STR1## in which R.sup.1 represents alkyl, cycloalkyl, halogenoalkyl, alkenyl, alkynyl, alkenyl or alkynyl substituted by optionally substituted phenyl, halogenoalkenyl, alkoxy, alkoxyalkyl, alkylthioalkyl, alkylsulphonylalkyl, alkylsulphinylalkyl, alkoxycarbonylalkyl, in each case optionally substituted aryl, aralkyl, aryloxyalkyl or arylthioalkyl, an optionally substituted heterocycle, heterocyclylalkyl or the --NH--CO--R.sup.3 or --CO--O--R.sup.4 groups, in which R.sup.3 and R.sup.4 in each case independently of one another represent alkyl or aryl,