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:
Apr. 21, 2025
Filed:
Oct. 14, 2020
Corteva Agriscience Llc, Indianapolis, IN (US);
Nicholas R. Babij, Carmel, IN (US);
Elizabeth O. McCusker, Carmel, IN (US);
Gregory T. Whiteker, Carmel, IN (US);
Neeraj Sane, Carmel, IN (US);
Siyu Tu, Midland, MI (US);
Xiaoyong Li, Zionsville, IN (US);
Daniel W. Klosowski, Indianapolis, IN (US);
Patrick T. McGough, Zionsville, IN (US);
Meng Guo, Carmel, IN (US);
Matthew Robinson, Indianapolis, IN (US);
Jeffrey Scott Nissen, Indianapolis, IN (US);
Tyler Davis, Carmel, IN (US);
Yan Hao, Zionsville, IN (US);
CORTEVA AGRISCIENCE LLC, , IN (US);
Abstract
The present technology relates to processes, mixtures and intermediates useful for making picolinamide fungicides. The picolinamide compounds are prepared by processes that include coupling together a 4-methoxy-3-acyloxypicolinic acid with key 2-amino-L-alaninate esters derived from substituted 2-phenylethanols.