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. 10, 2001
Filed:
Nov. 16, 1998
Gregory L. Bluem, St. Paul, MN (US);
Christopher A. Haak, Oakdale, MN (US);
Fred B. McCormick, Jr., Maplewood, MN (US);
Stanley F. Tead, St. Paul, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
A screen-printable adhesive composition capable of being applied to a substrate at room temperature comprising at least one alkyl acrylate; at least one reinforcing comonomer, a polyepoxide resin, and a polyepoxide resin curing agent; wherein said composition is substantially solvent free and said composition has a yield point of greater than 3 Pascals and a viscosity of less than 6000 centipoise. In another aspect, the invention provides heat-curable electrically and/or thermally conductive adhesive films that are substantially solvent-free acrylic polymers further containing a polyepoxide resin, a polyepoxide resin curing agent, and an electrically conductive material and/or a thermally conductive material.