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:
Nov. 20, 2007
Filed:
Jun. 21, 2001
Bettina Becker, Monheim, DE;
Ingolf Scheffler, Neuss, DE;
Juergen Wichelhaus, Wuppertal, DE;
Liane Meuten, Monheim, DE;
Bettina Becker, Monheim, DE;
Ingolf Scheffler, Neuss, DE;
Juergen Wichelhaus, Wuppertal, DE;
Liane Meuten, Monheim, DE;
Henkel Kommanditgesellschaft Auf Aktien, Duesseldorf, DE;
Abstract
Polyamide hot-melt adhesives based on the reaction products of polymeric fatty acids, C-Cmonocarboxylic acids, C-Cdicarboxylic acids and diamines which do not contain any water-extractable, environmentally toxic constituents, which are suitable for sealing cavities in soils, in rock formations, building structures and/or walls, in particular for sealing tunnels, galleries, shafts, channels or caverns, to protect against the penetration of water or the penetration of liquids or gases which contain hazardous substances.