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:
Apr. 30, 1991
Filed:
Nov. 08, 1989
Applicant:
Inventors:
Assignee:
Mitsui Toatsu Chemicals, Incorporated, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549529 ; 549531 ; 549563 ;
Abstract
Disclosed herein is a method for preparing epichlorohydrins by reacting allyl chlorides with an alkyl hydroperoxide in the presence of a modified catalyst formed by substituting specific substituents for 1 to 50% of the silanol groups of a catalyst having titanium atoms bound to a silicon dioxide carrier via oxygen atoms and having on the same carrier 1 to 6 silanol groups per square nanometer thereof.