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. 07, 1989
Filed:
Mar. 18, 1988
Applicant:
Inventors:
Dieter Bendix, Ingelheim am Rhein, DE;
Dieter Reichert, Ingelheim am Rhein, DE;
Michael Scharfe, Wiesbaden, DE;
Assignee:
Boehringer Ingelheim KG, Ingelheim am Rhein, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ;
U.S. Cl.
CPC ...
528480 ; 528481 ; 528486 ; 528487 ; 528491 ; 528492 ; 528493 ; 528494 ; 528496 ; 528497 ; 528499 ; 528502 ; 528503 ; 210768 ; 210772 ; 210773 ; 210774 ; 210787 ;
Abstract
The invention relates to the purification of polymers, particularly resorbable polyesters, using shear fields produced mechanically or by fluid dynamics.