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Composite silicate pigment
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Patent number 4,117,191
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Issue date Sep 26, 1978
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Westvaco Corporation
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Frederick L. Kurrle
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C01 - INORGANIC CHEMISTRY
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Composite silicate pigment
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Patent number 4,072,537
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Issue date Feb 7, 1978
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Westvaco Corporation
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Frederick L. Kurrle
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C01 - INORGANIC CHEMISTRY
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Composite silicate pigment
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Patent number 4,026,721
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Issue date May 31, 1977
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Westvaco Corporation
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Frederick L. Kurrle
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C01 - INORGANIC CHEMISTRY
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3726700
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Patent number 3,726,700
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Issue date Apr 10, 1973
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C01 - INORGANIC CHEMISTRY
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3656921
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Patent number 3,656,921
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Issue date Apr 18, 1972
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C01 - INORGANIC CHEMISTRY
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3528836
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Patent number 3,528,836
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Issue date Sep 15, 1970
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C01 - INORGANIC CHEMISTRY
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3509082
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Patent number 3,509,082
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Issue date Apr 28, 1970
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B82 - NANO-TECHNOLOGY
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3499779
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Patent number 3,499,779
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Issue date Mar 10, 1970
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C01 - INORGANIC CHEMISTRY
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3459574
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Patent number 3,459,574
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Issue date Aug 5, 1969
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B82 - NANO-TECHNOLOGY
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3453131
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Patent number 3,453,131
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Issue date Jul 1, 1969
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B82 - NANO-TECHNOLOGY
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3244639
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Patent number 3,244,639
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Issue date Apr 5, 1966
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C01 - INORGANIC CHEMISTRY
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3117883
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Patent number 3,117,883
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Issue date Jan 14, 1964
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C01 - INORGANIC CHEMISTRY
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3031323
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Patent number 3,031,323
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Issue date Apr 24, 1962
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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2915411
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Patent number 2,915,411
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Issue date Dec 1, 1959
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C01 - INORGANIC CHEMISTRY
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2674541
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Patent number 2,674,541
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Issue date Apr 6, 1954
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C01 - INORGANIC CHEMISTRY