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. 02, 2021
Filed:
Mar. 07, 2019
Applicant:
Lonza Solutions Ag, Visp, CH;
Inventors:
Assignee:
Lonza Solutions AG, Visp, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 231/12 (2006.01); C07C 231/24 (2006.01); C07C 67/317 (2006.01); C07C 69/72 (2006.01); C07C 235/80 (2006.01);
U.S. Cl.
CPC ...
C07C 231/12 (2013.01); C07C 67/317 (2013.01); C07C 69/72 (2013.01); C07C 231/24 (2013.01); C07C 235/80 (2013.01);
Abstract
The invention discloses a method for the preparation of 2-chloro acetoacetic acid amide or ester by a reaction of acetoacetic acid amide or ester with trichloroisocyanuric acid in the presence of amylene and in the solvent acetone.