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. 06, 2014
Filed:
Jan. 17, 2007
Applicants:
Andreas Hoffmann, Köln, DE;
Heinz-dieter Ebert, Burscheid, DE;
Bert Klesczewski, Köln, DE;
Inventors:
Assignee:
Bayer MaterialScience AG, , DE;
Primary Examiner:
Int. Cl.
CPC ...
B05C 1/16 (2006.01); B05D 5/10 (2006.01); B05D 7/00 (2006.01); C08G 18/48 (2006.01); E01B 1/00 (2006.01);
U.S. Cl.
CPC ...
C08G 18/4837 (2013.01); E01B 1/00 (2013.01); E01B 1/001 (2013.01);
Abstract
The present invention relates to ballast which have a high stability and a long service life and to a process for the production of ballast. These ballast are suitable for railway track laying and road construction and dike systems used for example in costal protection. These ballast comprise ballast stones and polyurethane foams based on a reaction mixture of selected polyisocyanates and selected compounds with isocyanate-reactive groups.