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. 31, 1985
Filed:
Sep. 14, 1983
Jeffrey N Labovitz, Palo Alto, CA (US);
Lawrence Fang, Daly City, CA (US);
Lafarge Coppee, Paris, FR;
Abstract
A pollen suppressant of the formula ##STR1## wherein R.sup.1 and R.sup.4 independently represent C.sub.1 -C.sub.4 alkyl, phenyl, naphthyl, or phenyl or naphthyl substituted with one to three substituents selected from the group consisting of halogen, trihalomethyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, and cyano; R.sup.2 is ##STR2## where R.sup.5 is a C.sub.1 -C.sub.12 alkyl group, optionally substituted with one or more halogen atoms, or an aryl group selected from the group consisting of 6-membered rings containing 0-3 nitrogens and fused bicyclic 10-membered rings containing 6 atoms in each ring and 0-3 nitrogens per ring with the remaining atoms in the ring or rings of said aryl group being carbon atoms, said aryl group being optionally substituted with a C.sub.1 -C.sub.4 alkyl group or an electron-withdrawing group, R.sup.3 is hydrogen, a halogen a C.sub.1 -C.sub.4 alkyl group, a carboxy group or an agronomically acceptable alkali metal salt thereof, or a group of the formula --COOR.sup.6 or --CONR.sup.6 R.sup.7 where R.sup.6 is a C.sub.1 -C.sub.4 alkyl group and R.sup.7 is R.sup.6 or hydrogen, is disclosed along with methods of producing these compounds and of using them to produce hybrid seeds in self-fertilizing plants.