US Patent No: 4,273,813

Number of patents in Portfolio can not be more than 2000

Method of providing waterproof coating for masonry walls

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Abstract

A simplified method of waterproofing masonry walls such as basement walls subjected to water from the outer surface by coating the inner surface with an anionic silicone emulsion that dries to produce an elastomeric film is disclosed. The silicone emulsion consists essentially of an anionically stabilized hydroxyl endblocked polydiorganosiloxane, amorphous silica, and an organic tin salt, the emulsion having a pH of 9 or greater. The emulsion coating when dried provides an elastomeric film that bonds to the surface with sufficient force to resist the pressure of any water that may diffuse through the wall from the outer surface. The method of this invention provides a waterproof coating that also resists the effects of cracks in the substrate, temperature extremes, molds, fungus, or mildew, as well as possessing a long useful life.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
DOW CORNING CORPORATIONMIDLAND, MI2339

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Meddaugh, Michael D Midland, MI 11 191

Cited Art

Patent Info (Count) # Cites Year
 
DOW CORNING CORPORATION (1)
4,221,688 Silicone emulsion which provides an elastomeric product and methods for preparation 82 1978
 
WACKER-CHEMIE GMBH (1)
4,209,432 Process for rendering building materials hydrophobic 39 1978

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
DOW CORNING CORPORATION (8)
4,584,341 Emulsions of crosslinked polydiorganosiloxanes 21 1984
4,568,718 Polydiorganosiloxane latex 21 1984
4,567,231 Emulsions of reinforced polydiorganosiloxane latex 12 1984
5,019,173 Cleaning method for water containing vessels and systems 17 1988
5,066,520 Method of protecting porous masonry 6 1990
5,051,129 Masonry water repellent composition 40 1990
5,205,860 Water repellents containing organosilicon compounds 22 1992
5,300,327 Water repellent organosilicon compositions 23 1993
 
ZYDEX INDUSTRIES (3)
7,704,561 Methods of treating surfaces with ionic organosilicon compositions 1 2006
7,521,573 Ionic organosilicon compounds and compositions thereof 0 2006
7,553,983 Organosilicon compounds 0 2007
 
ADVANCED CHEMICAL TECHNOLOGIES, INC. (2)
4,931,319 Method for applying a water repellant composition with a water carrier 5 1988
5,075,140 Method for applying a water repellant composition with a water carrier 3 1990
 
GENERAL ELECTRIC COMPANY (2)
4,753,977 Water repellent for masonry 21 1986
4,717,599 Water repellent for masonry 18 1986
 
IMPRESSIVE BASEMENT SYSTEMS, LLC (2)
D583071 T-wall extrusion 0 2007
D582570 Corner extrusion 0 2007
 
BOYER INDUSTRIES CORPORATION (1)
5,112,393 Method of rendering masonry materials water repellent with low VOC organoalkoxysilanes 19 1990
 
CHANGWON STONE CO., LTD. (1)
4,695,487 Process for coloring granite 3 1986
 
DEGUSSA AG (1)
5,458,923 Process for impregnating a building material with an organosilicon compound 5 1994
 
MINNESOTA MINING AND MANUFACTURING COMPANY (1)
5,527,931 Aqueous dispersable oil and water repellent silane masonry penetrants 17 1994
 
RHONE-POULENC CHIMIE (1)
5,021,262 Waterproofing/shaping of quarried building materials 2 1989
 
TEAM, INC. (1)
4,520,051 Method of waterproofing a porous wall 5 1984
 
UNITED STATES GYPSUM COMPANY (1)
5,817,262 Process of producing gypsum wood fiber product having improved water resistance 34 1996
 
WACKER-CHEMIE GMBH (1)
4,600,657 Protective coatings for asphaltic concrete surfaces and methods for forming the same 13 1985
 
WITCO CORPORATION (1)
5,393,330 Cationic emulsions of alkylalkoxysilanes 13 1993
 
OTHER [CHECK PATENT PROFILE FOR ASSIGNMENT INFORMATION] (3)
5,671,889 Waterproofing spray apparatus 5 1995
5,897,061 Waterproofing spray apparatus 3 1997
7,527,703 Submerged masonry surface treating method 0 2004