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. 18, 2021
Filed:
Dec. 23, 2019
Applicant:
Monsanto Technology Llc, St. Louis, MO (US);
Inventors:
John H. Ahn, Maryland Heights, MO (US);
Don Probst, St. Peters, MO (US);
Kam-To Wan, Town and Country, MO (US);
John Wang, St. Louis, MO (US);
Assignee:
Monsanto Technology LLC, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 51/367 (2006.01); C07C 37/00 (2006.01); C07C 39/30 (2006.01); C07C 51/16 (2006.01); C07C 51/00 (2006.01);
U.S. Cl.
CPC ...
C07C 51/367 (2013.01); C07C 37/00 (2013.01); C07C 39/30 (2013.01); C07C 51/00 (2013.01); C07C 51/16 (2013.01);
Abstract
Processes for producing 2,5-dichlorophenol and 3,6-dichloro-2-methoxybenzoic acid are described. Various processes for isomerizing 2,4-dichlorophenol over a zeolite catalyst to form 2,5-dichlorophenol are provided. Processes for preparing 2,5-dichlorophenol including hydroxylating 1,4-dichlorobenzene are also described. The present invention also relates to processes for producing 3,6-dichloro-2-methoxybenzoic acid.