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:
Apr. 18, 2000
Filed:
Sep. 11, 1998
Applicant:
Inventors:
Hans-Josef Laas, Koln, DE;
Jan Mazanek, Koln, DE;
Dietbert Knofel, Siegen, DE;
Karl-Georg Bottger, Siegen, DE;
Anke Reinschmidt, Kreuztal, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ; C08K / ; C08L / ; C04B / ; C04B / ;
U.S. Cl.
CPC ...
524-4 ; 106606 ; 106713 ; 524-2 ; 524589 ; 524590 ;
Abstract
Use of water-dispersible or water-soluble polyether-urethanes, which optionally contain isocyanate groups, as additives for inorganic binders in the preparation of a building material, particularly a high-density or high-strength mortar or concrete composition. The building material resulting from the use of the water-dispersible or water-soluble polyether-urethanes.