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:
May. 05, 1992
Filed:
Oct. 09, 1990
Applicant:
Inventors:
Stefano Poli, Milan, IT;
Lucio Del Corona, Milan, IT;
Assignee:
Roli Industria Chimica S.p.A., Milan, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07D / ;
U.S. Cl.
CPC ...
548200 ; 548201 ; 548537 ;
Abstract
3-(L-pyroglutamyl)-L-thiazolidine-4-carboxylic acid and derivatives thereof are prepared by condensing L-pyroglutamic acid or its substitution products, either in the presence of dicyclohexylcarbodiimmide or the like, or by condensation of active derivatives of L-pyroglutamic acid with 4-thiazolidine-carboxylic acid derivatives.
Quick Actions:
Poli, Stefano. (1992). Process for the preparation of (U.S. Patent No. 5110936). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5110936
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