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. 08, 1984
Filed:
Jul. 29, 1980
Applicant:
Inventors:
Fumio Suzuki, Funabashi, JP;
Yoshihiro Fujikawa, Tokyo, JP;
Susumu Yamamoto, Narashino, JP;
Hidemi Mizutani, Funabashi, JP;
Tunehiko Ohya, Ageo, JP;
Takashi Ikai, Tokyo, JP;
Toshihiko Oguchi, Urawa, JP;
Assignee:
Nissan Chemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A01N / ; C07D / ;
U.S. Cl.
CPC ...
71 86 ; 546290 ; 546292 ; 546296 ; 546297 ; 546307 ; 546308 ; 546309 ; 546310 ; 546312 ;
Abstract
N-(Unsubstituted or substituted pyridyl)aminomethylene-diphosphonic acids represented by the formula: ##STR1## wherein each of R.sup.1, R.sup.2 and R.sup.3 is independently hydrogen or lower alkyl, and each of X and Y is independently hydrogen, halogen, nitro, acetamino, carboxyl, lower alkyl, methoxycarbonyl, hydroxyl or methoxy, and salts thereof, have effective herbicidal effects on postemergence of plants and selective inactivity against cotton plants.