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:
Nov. 19, 1991
Filed:
Mar. 07, 1990
Applicant:
Inventors:
Assignee:
Nippon Shokubai Kagaku Kogyo Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548182 ;
Abstract
A method for the production of a 1,3-thiazolidin-2-one represented by the general formula II: ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, and R.sup.4 are independently hydrogen atom or a lower alkyl group, which method comprises causing a 1,3-thiazolidine represented by the general formula I: ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 R.sup.5, and R.sup.6 are independently hydrogen atom or a lower alkyl group to react with urea.