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:
Aug. 17, 2004
Filed:
Jun. 08, 2001
Peter Grynaeus, Birkenau, DE;
Michael Kalbe, Limburg, DE;
Firma Carl Freudenberg, Weinhem, DE;
Abstract
A fixing liner, made up of a textile liner web ( ), which is coated on one side with double-layer adhesive mass points, which are made up of lower points, facing the liner web, and upper points ( ); arranged on top of them, the lower points ( ) being made up of a powdery mixture of 25 to 90% by weight of an epoxide resin having an epoxide equivalent weight of 500 to 4000 mVal/kg, 10 to 75% by weight of an acid terminated polyamide, a polyester, a polyurethane and/or a vinyl copolymer having carboxyl, anhydro, hydroxy, and/or amido side groups and having a melt flow index (MFI) of 40 to 120 g/10 min measured at 160° C. and 2.16 kg, and 0 to 20% by weight of a hardener as well as the auxiliary and filler materials that are customarily used to produce a paste, the upper points ( ) being composed of acid-terminated polyamides and/or copolyesters, and the weight ratio of the masses, obtained in the lower and upper points ( ), being 1:0.5 to 1:5.