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:
Apr. 03, 2018
Filed:
Dec. 16, 2015
Exxonmobil Chemical Patents Inc.;
Ranjan Tripathy, Sugar Land, TX (US);
Jean-Roch Schauder, Wavre, BE;
ExxonMobil Chemical Patents Inc., Baytown, TX (US);
Abstract
The present invention is related to an adhesive composition comprising a 50-95 wt % polymer blend and a tackifier. The blend has a first and second propylene-based polymer, both different homopolymers of propylene or a copolymer of propylene and ethylene or a Cto Calpha-olefin. The blend has a melt viscosity, measured at 190° C., of 1,000 to 30,000 cP and a crystallization temperature of greater than 60° C. The tackifier has a softening point of 85° C. to 105° C., an aromaticity of 5 mol % to 15 mol % aromatic protons, and a Cloud Point of 45° C. to 75° C.