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. 24, 2022
Filed:
Oct. 02, 2019
Applicant:
E. I. Du Pont DE Nemours and Company, Wilmington, DE (US);
Inventors:
Albert Loren Casalnuovo, Wilmington, DE (US);
Ty Wagerle, West Chester, PA (US);
Jun Yan, Newark, DE (US);
Erin Demko, Wilmington, DE (US);
Matthew Richard Oberholzer, Wilmington, DE (US);
Rafael Shapiro, Wilmington, DE (US);
Assignee:
E. I. DU PONT DE NEMOURS AND COMPANY, Wilmington, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 291/08 (2006.01); C07C 303/06 (2006.01); C07D 471/04 (2006.01);
U.S. Cl.
CPC ...
C07D 291/08 (2013.01); C07C 303/06 (2013.01); C07D 471/04 (2013.01);
Abstract
The present invention provides a method for preparing a compound of Formula C, Formula D, or Formula F: