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. 08, 1992
Filed:
Feb. 16, 1990
James M Gaidis, Ellicott City, MD (US);
Robert A Wiercinski, Somerville, MA (US);
Susan G Ehrlich, Baltimore, MD (US);
W.R. Grace & Co. -Conn., New York, NY (US);
Abstract
Disclosed are compositions and methods of reducing water penetration through civil engineering structures which methods comprise applying to the structures a waterproofing agent pretreatment composition including SBR latex, SBS latex, natural rubber latex, polybutadiene latex, polychloroprene latex, polyvinyl acetate latex, nitrile latex, or combinations thereof, and optionally may include various freezing point depressing agents to enable use of the compositions and methods at or below 25.degree. F. Also disclosed are packages including the latex-containing waterproofing agent pretreatment compositions and waterproofing agents.