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:
Aug. 07, 1984
Filed:
Jun. 29, 1982
Applicant:
Inventors:
Assignee:
Nippon Shokubai Kagaku Kogyo Co. Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
203 60 ; 203D / ; 560218 ;
Abstract
In a process for producing an acrylic or methacrylic ester by esterifying acrylic or methacrylic acid with a lower aliphatic alcohol having 1 to 3 carbon atoms in the presence of an acidic catalyst, the improvement which comprises