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:
Aug. 17, 2021
Filed:
Jun. 08, 2016
Basf SE, Ludwigshafen, DE;
Klaus Kolb, Schifferstadt, DE;
Wolfgang Gregori, Ludwigshafen, DE;
Ulrich Steinbrenner, Neustadt, DE;
Liliana Parra Rapado, Offenburg, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a composition comprising microcapsules, which comprise a polyurea shell and a core, wherein the core comprises pendimethalin and the shell comprises a polymerization product of a tetramethylxylylene diisocyanate, and a polyamine with at least three amine groups, and where the polymerization product comprises less than 5 wt % of further isocyanate monomers in polymerized form, based on the weight of the tetramethylxylylene diisocyanate; a method for preparing the composition comprising the steps of contacting water, the pendimethalin, the tetramethylxylylene diisocyanate, and the polyamine; and to a method of controlling undesired plant growth, wherein the composition is allowed to act on the soil and/or on undesired plants and/or on the crop plants and/or on their environment.