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:
Aug. 16, 1983
Filed:
May. 04, 1979
Applicant:
Inventors:
Martin B Sherwin, London, GB;
Marshall E Frank, Chappaqua, NY (US);
Assignee:
Chem Systems Inc., New York, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
549518 ;
Abstract
A process for preparing oxirane compounds by the deacyloxylation of a vicinal hydroxyester in the presence of a basic material which comprises carrying out the reaction in a dilute phase transport reactor into which is fed a stream of heated catalyst co-current with a feed gas stream. The catalyst is heated in a fluidized bed heater. The catalyst and product gases are separated in a cyclone separator, the catalyst being returned to the heater and the effluent product gas being further processed to recover product.