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:
Oct. 30, 2012
Filed:
Aug. 28, 2009
Applicants:
Susnata Samanta, Medford, MA (US);
Robert A. Wiercinski, Lincoln, MA (US);
Inventors:
Susnata Samanta, Medford, MA (US);
Robert A. Wiercinski, Lincoln, MA (US);
Assignee:
W. R. Grace & Co.-Conn, Columbia, MD (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 15/04 (2006.01); B32B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed is a waterproofing membrane that performs well at both high and low temperatures. The waterproofing membrane comprises a carrier support layer and an adhesive layer, wherein the adhesive layer comprises a pressure sensitive bitumen composition comprising bitumen (asphalt), synthetic rubber, high density polyethylene, ground vulcanized crumb rubber and, optionally, a plasticizer. The waterproofing membrane also may optionally include a removable release sheet on the adhesive layer.