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:
Sep. 20, 1983
Filed:
Dec. 18, 1981
Applicant:
Inventors:
Robert M Harnden, Russellville, AR (US);
Daniel W Baugh, Jr, Lake Jackson, TX (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
548229 ; 548317 ;
Abstract
The present invention provides a method for reacting urea and beta-hydroxyethylcarbamate to make 2-oxazolidinone and ethyleneurea in a good yield and high selectivity, whereby the reaction method can be controlled to provide either the 2-oxazolidinone or the ethyleneurea as the major reaction product.