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. 09, 1982
Filed:
Mar. 14, 1980
Applicant:
Inventors:
Amleto Neri, Bergamo, IT;
Sergio Sanchioni, Bergamo, IT;
Assignee:
Ftalital Prodotti Chimici Speciali S.p.A., Mailand, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
26034676 ;
Abstract
Process for the continuous separation of maleic acid anhydride from process gases from the catalytic oxidation of hydrocarbons, e.g., n-butane, in the steam phase. The process gases are treated with a solvent, which is a cycloaliphatic acid ester. Typically, the cycloaliphatic acid ester is a dialkyl ester, having 4 to 8 carbon atoms in each alkyl group, of hexahydrophthalic acid, tetrahydrophthalic acid, methyltetrahydrophthalic acid or methylhexahydrophthalic acid.
Quick Actions:
Neri, Amleto. (1982). Process for the continuous separation of maleic anhydride from process (U.S. Patent No. 4314946). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4314946
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile