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:
Feb. 28, 2023
Filed:
Dec. 11, 2019
Basf SE, Ludwigshafen, DE;
Volker Maywald, Ludwigshafen, DE;
Roland Goetz, Neulussheim, DE;
Daniel Saelinger, Ludwigshafen, DE;
Birgit Gockel, Ludwigshafen, DE;
Manfred Ehresmann, Ludwigshafen, DE;
Markus Jegelka, Ludwigshafen, DE;
Joaquim Henrique Teles, Ludwigshafen, DE;
BASF SE, Ludwigshafen, DE;
Abstract
A method for manufacturing an isocyanate compound represented by formula (2) (2) wherein R1 represents a methyl group, an ethyl group, a cyclopropyl group, a chlorine atom, a bromine atom, or a methoxy group; and R2 represents an alkyl group having 1 to 6 carbon atoms, comprising reacting an aniline compound represented by formula (1) (1) wherein R1 and R2 are defined as above with a phosgene compound at a temperature of from 40° C. to the boiling point of the inert solvent in at least one kind of inert solvent.