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. 25, 2025
Filed:
Dec. 19, 2019
Applicant:
Evonik Operations Gmbh, Essen, DE;
Inventors:
Thomas Richter, Darmstadt, DE;
Christoph Seipel, Babenhausen, DE;
Christian Traßl, Warmensteinach, DE;
Andreas Liebe, Darmstadt, DE;
Florian Becker, Darmstadt, DE;
Vincent Ma Junyong, Darmstadt, DE;
Assignee:
Evonik Operations GmbH, Essen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 44/34 (2006.01); B29C 35/08 (2006.01);
U.S. Cl.
CPC ...
B29C 44/3415 (2013.01); B29C 35/0805 (2013.01); B29C 2035/0855 (2013.01);
Abstract
(Rigid) foams can be produced by heating a blowing agent containing polymers through the combination of thermal energy with irradiation by microwaves.