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, 2022
Filed:
Nov. 03, 2017
Applicants:
Uhde Inventa-fischer Gmbh, Berlin, DE;
Thyssenkrupp Ag, Essen, DE;
Inventors:
Udo Mühlbauer, Berlin, DE;
Rainer Hagen, Berlin, DE;
Assignees:
UHDE INVENTA-FISCHER GMBH, Berlin, DE;
THYSSENKRUPP AG, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/90 (2006.01); B01D 1/00 (2006.01); B01D 1/06 (2006.01); C08G 63/08 (2006.01); C08G 63/78 (2006.01);
U.S. Cl.
CPC ...
C08G 63/90 (2013.01); B01D 1/0082 (2013.01); B01D 1/065 (2013.01); C08G 63/08 (2013.01); C08G 63/785 (2013.01);
Abstract
A method for removing compounds in the gaseous aggregate state from PLA-containing products in the viscous aggregate state by means of a thin-film evaporator. The compounds may be present in the liquid or solid aggregate state in the products under standard conditions. The invention further relates to a polylactide resin prepared in accordance with the method of the invention.