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. 17, 2020
Filed:
Oct. 25, 2018
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Michael Bierdel, Leverkusen, DE;
Thomas Koenig, Leverkusen, DE;
Carsten Conzen, Leverkusen, DE;
Ulrich Liesenfelder, Bergisch-Gladbach, DE;
Klemens Kohlgrueber, Kuerten, DE;
Reiner Rudolf, Leverkusen, DE;
Johann Rechner, Kempen, DE;
Assignee:
COVESTRO DEUTSCHLAND AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B 7/00 (2006.01); B29B 7/48 (2006.01); B29C 48/57 (2019.01); B29C 48/65 (2019.01); B29C 48/395 (2019.01); B29C 48/40 (2019.01); B29C 48/505 (2019.01); B29C 48/25 (2019.01); B29C 48/27 (2019.01); B29C 48/03 (2019.01);
U.S. Cl.
CPC ...
B29B 7/489 (2013.01); B29B 7/481 (2013.01); B29B 7/483 (2013.01); B29B 7/484 (2013.01); B29C 48/2517 (2019.02); B29C 48/2715 (2019.02); B29C 48/395 (2019.02); B29C 48/402 (2019.02); B29C 48/507 (2019.02); B29C 48/57 (2019.02); B29C 48/65 (2019.02); B29C 48/03 (2019.02);
Abstract
A process for extruding plastic compositions is provided. The process comprises providing a multi-screw extruder with screw elements and conveying, kneading, mixing, degassing or compounding the plastic compositions in the multi-screw extruder using the screw elements.