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:
Dec. 13, 2011
Filed:
Jun. 11, 2010
Marcus Heemann, Neuss, DE;
Eckhard Pürkner, Düsseldorf, DE;
Volker Erb, Düsseldorf, DE;
Maja Schroeder, Ratingen, DE;
Dirk Vianden, Düsseldorf, DE;
Marcus Heemann, Neuss, DE;
Eckhard Pürkner, Düsseldorf, DE;
Volker Erb, Düsseldorf, DE;
Maja Schroeder, Ratingen, DE;
Dirk Vianden, Düsseldorf, DE;
Henkel AG & Co. KGaA, Duesseldorf, DE;
Abstract
A hot-melt adhesive for resealable packaging, containing 30 to 90 wt. % of at least one copolymer based on ethylene and/or propylene together with Cto C-α-olefins, which is obtainable by metallocene-catalyzed polymerization, with a melt index of 5 to 100 g/10 min (DIN ISO 1133), 5 to 50 wt. % of tackifier resins with a softening point of 80 to 140° C., 0 to 15 wt. % of waxes with a melting point of 120 to 170° C., 0.1 to 20 wt. % of additives and auxiliaries, the adhesive having a viscosity of 25,000 mPa·s to 250,000 mPa·s, measured at a temperature of 170 to 190° C.