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. 06, 2013
Filed:
May. 24, 2011
Guido Kollbach, Apex, NC (US);
Norbert Bialas, Dormagen, DE;
Christoph Lohr, Mettmann, DE;
Andreas Brenger, Duesseldorf, DE;
Patrik Matusik, Duesseldorf, DE;
Thomas Kamm, Cologne, DE;
Guido Kollbach, Apex, NC (US);
Norbert Bialas, Dormagen, DE;
Christoph Lohr, Mettmann, DE;
Andreas Brenger, Duesseldorf, DE;
Patrik Matusik, Duesseldorf, DE;
Thomas Kamm, Cologne, DE;
Henkel AG & Co. KGaA, Duesseldorf, DE;
Abstract
The invention relates to the use of a solvent-free, 2 component adhesive for adhering sterilizable composite films, wherein the adhesive comprises a component A made from at least one pre-polymer comprised of NCO groups, said pre-polymer produced from low molecular weight polyether alcohols, polyester alcohols and/or polyalkylene alcohols having a functionality of 2 or 3, implemented having a high molar excess of TDI and removal of the unimplemented monomer diisocyanate, and a component B comprising at least one 2 or 3 functional polyesterpolyol, produced from diols and/or triols on the basis of polyethers or polyalkylene diols implemented having dicarboxylic acids and derivatives thereof, wherein at least 10 to 40 wt % must be comprised of aliphatic Cto Cdicarboxylic acids, and auxiliary and additive materials in at least one component A or B.