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:
May. 13, 2014
Filed:
Jul. 23, 2004
Applicants:
Jonas Scherble, Muehltal, DE;
Werner Geyer, Muehltal, DE;
Hermann Seibert, Darmstadt, DE;
Leonhard Maier, Rodgau, DE;
Torsten Jahn, Dieburg, DE;
Thomas Barthel, Heppenheim, DE;
Inventors:
Jonas Scherble, Muehltal, DE;
Werner Geyer, Muehltal, DE;
Hermann Seibert, Darmstadt, DE;
Leonhard Maier, Rodgau, DE;
Torsten Jahn, Dieburg, DE;
Thomas Barthel, Heppenheim, DE;
Assignee:
Evonik Rohm GmbH, Darmstadt, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 27/00 (2006.01); B32B 5/18 (2006.01); C08J 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to compositions for producing polymethacrylimide foams having reduced pore size. The inventive method allows production of a microporous foam with an especially homogeneous pore size distribution without having to use insoluble nucleation agents.