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:
Nov. 11, 1980
Filed:
Oct. 12, 1978
Applicant:
Inventors:
Assignee:
Davy International AG, Frankfurt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J / ; B01J / ; B01J / ; G05B / ;
U.S. Cl.
CPC ...
422117 ; 422190 ; 422197 ; 422202 ; 422208 ; 422211 ; 422217 ; 422220 ; 2603463 ; 2603464 ; 2603467 ;
Abstract
Apparatus for the production and catalytic oxidation of gaseous hydrocarbon/air mixtures to form dicarboxylic acid anhydride. Hydrocarbon/air mixtures are formed in an evaporator and introduced into a shell-and-tube catalytic reactor fitted with a concave reactor hood to more effectively and safely distribute the gaseous mixture to and through the catalyst-filled tubes of the reactor.