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:
Mar. 08, 2016
Filed:
Feb. 04, 2009
Applicants:
Uwe Schoenfeld, Schrozberg, DE;
Klaus Dippon, Markt Erlbach, DE;
Inventors:
Uwe Schoenfeld, Schrozberg, DE;
Klaus Dippon, Markt Erlbach, DE;
Assignee:
Preform GmbH, Feuchtwangen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 97/00 (2006.01); C08G 18/36 (2006.01); C08G 18/10 (2006.01); C08G 18/08 (2006.01); C08H 8/00 (2010.01); C08L 75/04 (2006.01); C08L 77/00 (2006.01); E04B 1/82 (2006.01); E04B 1/74 (2006.01); C08G 101/00 (2006.01);
U.S. Cl.
CPC ...
C08L 97/00 (2013.01); C08G 18/10 (2013.01); C08G 18/14 (2013.01); C08G 18/36 (2013.01); C08H 8/00 (2013.01); C08L 75/04 (2013.01); C08G 2101/0025 (2013.01); C08G 2101/0058 (2013.01); C08G 2101/0083 (2013.01); C08G 2350/00 (2013.01); C08L 77/00 (2013.01); E04B 1/82 (2013.01); E04B 2001/742 (2013.01);
Abstract
The present invention relates to a novel sound-absorbent foam system in the form of an open-cell mineral-organic material, which can even attain building material class B1 according to DIN 1402 and is used for reducing sound levels, in particular in interior spaces. The material is distinguished by containing lignosulphonate.