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:
Jul. 13, 2010
Filed:
Dec. 21, 2006
Robert F. Greer, Lexington, NC (US);
Alexander F. Cady, Greensboro, NC (US);
Robert F. Greer, Lexington, NC (US);
Alexander F. Cady, Greensboro, NC (US);
Other;
Abstract
The present disclosure relates to a system and permanent pavement marker for coating or bonding or both coating and bonding a first underlying substrate, wherein a second layer comprises a polyurea epoxy curable composition of about 200 centipoise which is bonded to the first underlying substrate, wherein the curable composition second layer is further bonded to a third layer, wherein the third layer comprises an epoxy bonder paste in a range of 10,000 to 300,000 centipoise, and the third layer is further bonded to a fourth layer, wherein the fourth layer is a preformed thermoplastic marking tile that is applied over the third layer of epoxy bonder paste, thereby forming a the permanent pavement marking. The system and pavement marker may also include a thermoplastic adhesive applied between the epoxy bonder paste and the preformed thermoplastic marking tile such that the bonder paste acts as a water vapor barrier reducing the rate of water vapor transmission into the marking tile.