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:
Dec. 14, 1993
Filed:
Jun. 05, 1992
Applicant:
Inventors:
Robert A Wiercinski, Lincoln, MA (US);
Robert F Jenkins, Wakefield, MA (US);
James M Gaidis, Ellicott City, MD (US);
Susan G Ehrlich, Woodbine, MD (US);
Assignee:
W. R. Grace & Co.-Conn., New York, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08K / ; B65B / ;
U.S. Cl.
CPC ...
524423 ; 524429 ; 4273936 ; 4274071 ;
Abstract
The present invention provides a waterproofing system and method in which salt is used to prevent re-emulsification of an aqueous-based emulsion polymer primer composition which has been applied to a water penetrable building surface, whereby the bond between the building structure and a subsequently applied waterproofing membrane remains strong and durable.