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Water-based water repellents
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Patent number 5,409,527
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Issue date Apr 25, 1995
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Manchem Limited
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Gary Baker
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Well forming process
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Patent number 4,924,942
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Issue date May 15, 1990
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Union Oil Company of California
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Jian-Chyun Shen
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Landfill material
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Patent number 4,142,912
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Issue date Mar 6, 1979
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Union Oil Company of California
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Dean A. Young
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Rapid hardening cement
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Patent number 4,066,469
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Issue date Jan 3, 1978
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The Associated Portland Cement Manufacturers Limited
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Leslie Edward Shiel
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3817770
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Patent number 3,817,770
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Issue date Jun 18, 1974
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3561988
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Patent number 3,561,988
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Issue date Feb 9, 1971
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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3367871
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Patent number 3,367,871
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Issue date Feb 6, 1968
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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2744831
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Patent number 2,744,831
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Issue date May 8, 1956
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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2740722
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Patent number 2,740,722
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Issue date Apr 3, 1956
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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2254471
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Patent number 2,254,471
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Issue date Sep 2, 1941
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2216514
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Patent number 2,216,514
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Issue date Oct 1, 1940
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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1900670
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Patent number 1,900,670
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Issue date Mar 7, 1933
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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1875897
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Patent number 1,875,897
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Issue date Sep 6, 1932
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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1478943
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Patent number 1,478,943
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Issue date Dec 25, 1923
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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1369857
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Patent number 1,369,857
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Issue date Mar 1, 1921
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES