US Patent No: 5,338,345

Number of patents in Portfolio can not be more than 2000

Water-based water repellent coating compositions

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Abstract

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There is provided a water based water repellent coating composition, method of making and method of use. The coating composition comprises an emulsion having water as the continuous phase and, as the discontinuous phase, droplets of a nonvolatile organic water repellent composition, the emulsion containg an emulsion stabilizing amount of a hydrophobically modified polyacrylic acid polymer wherein the viscosity of the emulsion is less than about 100 Cps and the particle size of the droplets is less than about 50 microns. The relatively low viscosity and small particle size provides for easy application and excellent penetration into porous substrates. The process of making the compositions involves the making of a conventional emulsion of this type and then high kinetic energy processing so as to produce the desired viscosity and particle size. The method of use involves the application of the composition to a substrate followed by evaporation of the water and any volatile components from the composition.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
THE SHERWIN-WILLIAMS COMPANYCLEVELAND, OH334

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Czekai, David A Spring City, PA 22 905
Powell, Jeffery E G Blountville, TN 4 24
Scarborough, Victoria D Memphis, TN 4 32

Cited Art Landscape

Patent Info (Count) # Cites Year
 
NOVEON, INC. (3)
4,996,274 Polycarboxylic acids with higher thickening capacity and better clarity 14 1988
4,923,940 Polycarboxylic acids with higher thickening capacity and better clarity 13 1989
5,004,598 Stable and quick-breaking topical skin compositions 40 1989
 
DOW CORNING CORPORATION (1)
5,205,860 Water repellents containing organosilicon compounds 22 1992
 
EVONIK GOLDSCHMIDT GMBH (1)
5,196,054 Preparation for the water-repellant impregnation of porous, mineral building materials 29 1991
 
MITSUBISHI KASEI CORPORATION (1)
4,741,773 Water repellent composition 20 1986
 
NIPPON MITSUBISHI OIL CORPORATION (1)
5,120,355 Water-repellent composition 36 1991
 
Nippon Oil Co., Ltd. (1)
5,049,186 Water-based protective compositions for coating films 17 1990
 
NOVEON IP HOLDINGS CORP. (1)
4,509,949 Water thickening agents consisting of copolymers of crosslinked acrylic acids and esters 183 1983
 
ROHM AND HAAS COMPANY (1)
4,421,902 Alkyl, poly(oxyethylene) poly(carbonyloxyethylene) acrylate emulsion copolymers for thickening purposes 79 1982
 
THORO SYSTEM PROUDCTS, INC. (1)
4,648,904 Aqueous systems containing silanes for rendering masonry surfaces water repellant 90 1986
 
TOYO INK MFG. CO., LTD. (1)
5,226,954 Organosilicon composition 27 1991

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
SSW HOLDING COMPANY, INC. (3)
8,286,561 Spill containing refrigerator shelf assembly 5 2009
8,596,205 Spill containing refrigerator shelf assembly 1 2012
8,464,645 Spill containing refrigerator shelf assemby 0 2012
 
MEADWESTVACO CORPORATION (2)
6,723,200 Method for releasing laminated materials 1 2001
6,713,548 Waterborne polymer compositions 2 2001
 
SMITHSONIAN INSTITUTION (2)
6,258,882 Wax-resin surface polishes 1 1998
6,156,108 Emulsion-containing surface polishes 2 1998
 
ALMATA, INC. (1)
5,849,210 Method of preventing combustion by applying an aqueous superabsorbent polymer composition 31 1995
 
CHRYSO S.A.S. (1)
8,092,589 Compositions for curing mortar or concrete mixtures, ensuring water retention (during setting), and method therefor 0 2010
 
CUTEX COMPANY, THE (1)
5,543,085 Thickened nail polish remover 11 1995
 
DWIGHT PRODUCTS, INC. (1)
5,804,624 Water-based silicone resin compositions 0 1997
 
PUMPKIN, LTD. (1)
6,099,892 Protective coating for decorative vegetable material 4 1998
 
S.C. JOHNSON & SON, INC. (1)
8,846,154 Carpet décor and setting solution compositions 0 2011
 
The Sherwin-Williams Company (1)
6,689,200 Film-forming water-based water repellent coating compositions 12 2002
 
Other [Check patent profile for assignment information] (2)
5,882,731 Method of applying a mildewcide laden film and composition for the use therewith 7 1997
7,429,295 Aqueous chemical mixture to mitigate water associated problems in concrete pavements 0 2002