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:
Apr. 12, 1994
Filed:
Aug. 24, 1993
Applicant:
Inventor:
Berthold Buchholz, Ingelheim am Rhein, DE;
Assignee:
Boehringer Ingelheim GmbH, Ingelheim am Rhein, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08G / ;
U.S. Cl.
CPC ...
528354 ; 525439 ; 528 76 ; 528170 ; 528171 ;
Abstract
The present invention relates to a method of producing polyesters based on hydroxycarboxylic acids, more particularly based on .alpha.-hydroxycarboxylic acids.