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:
Jan. 05, 2021
Filed:
Aug. 07, 2018
Applicant:
Lonza Ltd, Visp, CH;
Inventors:
Florencio Zaragoza Doerwald, Visp, CH;
Daniel Zollinger, Sierre, CH;
Assignee:
Lonza Ltd, Visp, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C 209/68 (2006.01); C07C 211/52 (2006.01);
U.S. Cl.
CPC ...
C07C 209/68 (2013.01); C07C 211/52 (2013.01);
Abstract
The invention discloses a method for the preparation of substituted 4-(heptafluoro-2-propyl) anilines by reaction of 2-bromoheptafluoropropane with anilines in the presence of sodium dithionite, in a solvent and in the presence of a catalyst.