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:
Sep. 13, 2005
Filed:
May. 24, 2002
Herbert Fischer, Duesseldorf, DE;
Winfried Emmerling, Neuss, DE;
Thomas Moeller, Duesseldorf, DE;
Hermann Onusseit, Haan, DE;
Werner Haller, Erkrath, DE;
Bernhard Schoettmer, Duesseldorf, DE;
Bernhard Herlfterkamp, Bottrop, DE;
Dieter Feustel, Monheim, DE;
Klaus Friedrich, Minden, DE;
Hartmut Buesching, Raddestorf, DE;
Norbert Huebner, Duesseldorf, DE;
Herbert Fischer, Duesseldorf, DE;
Winfried Emmerling, Neuss, DE;
Thomas Moeller, Duesseldorf, DE;
Hermann Onusseit, Haan, DE;
Werner Haller, Erkrath, DE;
Bernhard Schoettmer, Duesseldorf, DE;
Bernhard Herlfterkamp, Bottrop, DE;
Dieter Feustel, Monheim, DE;
Klaus Friedrich, Minden, DE;
Hartmut Buesching, Raddestorf, DE;
Norbert Huebner, Duesseldorf, DE;
Henkel Kommanditgesellschaft auf Aktien, Duesseldorf, DE;
Abstract
A method for increasing an adhesive to a substrate is disclosed which utilizes a hydrophilic, high molecular weight, nonionic polyurethane adhesive. The polyurethane adhesive is soluble in water and a 1% by weight solution of the adhesive in water at 20% has a specific viscosity of at least 0.4. The nonionic polyurethane contains the following structural units: