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:
Mar. 30, 1976
Filed:
Jan. 25, 1974
Applicant:
Inventors:
Georges Biola, Venissieux, FR;
Gerard Schneider, Caluire, FR;
Assignee:
Rhone-Progil, Decines, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ;
Abstract
A liquid phase continuous process for producing propylene oxide comprising oxidizing propylene with a molecular oxygen-containing gas in a solvent which is (a) water-insoluble and (b) as immiscible with organic carboxylic acids as possible; condensing the gaseous reaction products; adding water to the condensed reaction products to dissolve any undissolved acids contained therein; separating the aqueous phase from the resulting two-phase (aqueous and organic) system; recycling the organic phase to the reaction; and removing from the reaction a liquid containing propylene oxide and recovering the propylene oxide therefrom.