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. 10, 1987
Filed:
Oct. 01, 1985
Applicant:
Inventors:
Naohiro Nojiri, Ibaraki, JP;
Yukio Sakai, Ibaraki, JP;
Assignee:
Mitsubishi Petrochemical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549534 ; 501128 ; 501133 ;
Abstract
A packing material for a reactor for producing ethylene oxide by the catalytic oxidation of ethylene in the presence of molecular oxygen, wherein the packing material is used at the inlet side of a catalyst layer of the reactor, is silica-alumina containing 10 to 8 wt. % of silica, and is produced by sintering the silica-alumina at 1200.degree. to 1500.degree. C.