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:
Jun. 30, 2009
Filed:
Apr. 21, 2008
Mai Chen, Hoffman Estates, IL (US);
San Ardi Lee, Crystal Lake, IL (US);
Keith B. Potts, Elgin, IL (US);
Mai Chen, Hoffman Estates, IL (US);
San Ardi Lee, Crystal Lake, IL (US);
Keith B. Potts, Elgin, IL (US);
Rohm and Haas Company, Philadelphia, PA (US);
Abstract
A method for producing a two-component bonding agent composition. The method uses a mixture whose first component contains: (i) 50 to 98 wt % of a hydroxy-terminated polyester having a hydroxyl number from 50 to 350 and hydroxyl functionality from 2 to 3; (ii) 1 to 30 wt % of an epoxy resin having an epoxy equivalent weight from 500 to 4000; and (iii) 1 to 20 wt % of an organic alkoxysilane containing C-Calkoxy groups. The second component contains a multi-functional isocyanate having an isocyanate functionality from 1.8 to 4; wherein the second component is present relative to the first component at a molar ratio of NCO/OH groups of 0.9:1 to 3:1.