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. 13, 1997
Filed:
Jun. 22, 1994
Applicant:
Inventors:
Assignee:
Tokuyama Corporation, Tokuyama, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; A01N / ; A01N / ; A01N / ; A01N / ; A01N / ; A01N / ; A01N / ; A01N / ; A01N / ; A01N / ; A01N / ; A01N / ; A01N / ; A01N / ;
U.S. Cl.
CPC ...
504249 ; 504224 ; 504225 ; 504227 ; 504229 ; 504230 ; 504235 ; 504239 ; 504240 ; 504244 ; 504246 ; 504247 ; 504248 ; 504251 ; 504252 ; 504257 ; 504261 ; 504266 ; 504267 ; 504269 ; 504270 ; 504271 ; 504276 ; 504275 ; 504277 ; 504279 ; 504280 ; 504282 ; 504283 ; 504284 ; 504288 ; 504289 ; 504292 ; 504294 ; 504298 ; 504312 ; 544133 ; 544152 ; 544182 ; 544215 ; 544283 ; 544284 ; 544298 ; 544333 ; 544353 ; 544354 ; 544367 ; 546114 ; 546115 ; 546116 ; 546153 ; 546193 ; 546194 ; 546201 ; 546207 ; 546208 ; 546210 ; 546211 ; 546226 ; 546242 ; 546290 ; 548170 ; 548182 ; 548187 ; 548213 ; 548217 ; 548221 ; 548225 ; 548228 ; 548229 ; 548243 ; 548255 ; 5483064 ; 5483071 ; 5483124 ; 5483147 ; 5483164 ; 5483241 ; 5483657 ; 5483701 ; 548484 ; 548517 ; 548527 ; 548541 ; 548542 ; 548543 ; 548551 ; 549 28 ; 549 52 ; 549 62 ; 549416 ; 549420 ; 549437 ; 549449 ; 558389 ; 558392 ; 558396 ;
Abstract
Disclosed herein are cyanoketone derivatives of the following formula (1) ##STR1## such as 1-cyano-1-piperidinocarbonyl-3-[4-(2-chloro-4-trifluoromethylphenoxy)pheno xy]-2-butanone, 1-cyano-1-piperidinocarbonyl-3-[4-(3-chloro-5-trifluoromethyl-2-pyridyloxy )phenoxy]-2-butanone, 1-cyano-1-(N-methyl-N-dichlorophenyl)aminocarbonyl-3-[4-(2-quinoxalyloxy)p henoxy]-2-butanone, 1-cyano-1-(N,N-dibutyl)aminocarbonyl-3-[4-(3-chloro-5-trifluoromethyl-2-py ridyloxy)phenoxy-2-butanone, and the like, which are characterized by excellent herbicidal activity and effectiveness against a variety of gramineous weeds.