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:
Oct. 27, 2009
Filed:
Feb. 08, 2002
Applicants:
Jochen Houben, Kempen, DE;
Erich Küster, Krefeld, DE;
Martin Tennie, Krefeld, DE;
Inventors:
Assignee:
Evonik Stockhausen GmbH, Krefeld, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 21/14 (2006.01); C09K 21/06 (2006.01); A62D 1/00 (2006.01); A62C 2/06 (2006.01); A62C 39/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The current invention relates to water-swellable polymers at least partially comprised of sulfonic acid group containing monomers as additives for fire extinguishing water, which exhibits an elevated NaCl content, used in fire prevention and to combat fire.