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:
Oct. 26, 1976
Filed:
Jun. 25, 1975
Applicant:
Inventor:
John P Schmidt, Princeton, NJ (US);
Assignee:
Oxirane Corporation, Princeton, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ;
Abstract
Metallic catalyst is removed selectively from an epoxidation effluent containing the catalyst and acidic materials by contacting the effluent with a specified quantity of an aqueous basic solution to preferentially remove the metallic catalyst therefrom without substantial removal of acidic materials therefrom, and thereafter neutralizing the acidic materials.