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:
Sep. 09, 1986
Filed:
Sep. 10, 1985
Robert J Eastman, Littleton, CO (US);
Henry S Goodspeed, Morrison, CO (US);
Manville Service Corporation, Denver, CO (US);
Abstract
A laminate composition useful as a roofing membrane comprising a top and a bottom layer of plastic film bonded together by a modified bitumen material, the top layer of said laminate either containing or being surface coated with an ultraviolet light resistant and absorbing agent. The inventive laminate has superior elongation and flexibility properties compared to prior art roofing membranes. Additionally, the inventive laminate is light weight and has good aesthetic qualities. Also provided are a novel embossed laminate, also useful as a roofing membrane, and a novel roofing system comprising a plurality of partially overlapping inventive roof membranes suitably attached to a roof deck.