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:
Feb. 20, 2024
Filed:
Dec. 19, 2019
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Thomas Richter, Darmstadt, DE;
Andreas Liebe, Darmstadt, DE;
Christian Traßl, Warmensteinach, DE;
Florian Becker, Darmstadt, DE;
Vincent Ma Junyong, Darmstadt, DE;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 44/02 (2006.01); C08J 3/28 (2006.01); B29C 44/34 (2006.01); B29C 35/08 (2006.01); B29K 105/04 (2006.01);
U.S. Cl.
CPC ...
B29C 44/3415 (2013.01); B29C 35/0805 (2013.01); B29C 2035/0855 (2013.01); B29K 2105/04 (2013.01);
Abstract
A production process can produce foam materials from polymer compositions. This process involves preheating in the foaming of polymers containing blowing agents and subsequent foaming by a thermal process assisted by microwaves.