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:
Mar. 19, 2019
Filed:
Dec. 22, 2017
Dow Agrosciences Llc, Indianapolis, IN (US);
Erich J. Molitor, Midland, MI (US);
Mark Muehlfeld, Midland, MI (US);
Joseck M. Muhuhi, Midland, MI (US);
Patrick T. McGough, Midland, MI (US);
Gary Roth, Midland, MI (US);
David E. Podhorez, Midland, MI (US);
Christopher W. Derstine, Midland, MI (US);
Stacie L. Santhany, Midland, MI (US);
Dow AgroSciences LLC, Indianapolis, IN (US);
Abstract
This application relates to efficient and economical synthetic chemical processes for the preparation of pesticidal thioethers. Further, the present application relates to certain novel compounds useful in the preparation of pesticidal thioethers. Specifically, this application relates to a process for the preparation of 3-chloro-1H-pyrazol-4-amine and salts thereof. More particularly, this application relates to a process for the preparation of 3-chloro-1H-pyrazol-4-amine and salts thereof by halogenating and reducing 4-nitropyrazole.