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3835218
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Patent number 3,835,218
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Issue date Sep 10, 1974
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C01 - INORGANIC CHEMISTRY
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3833715
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Patent number 3,833,715
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Issue date Sep 3, 1974
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C01 - INORGANIC CHEMISTRY
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3810968
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Patent number 3,810,968
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Issue date May 14, 1974
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C01 - INORGANIC CHEMISTRY
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3795731
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Patent number 3,795,731
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Issue date Mar 5, 1974
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C01 - INORGANIC CHEMISTRY
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3761575
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Patent number 3,761,575
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Issue date Sep 25, 1973
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C01 - INORGANIC CHEMISTRY
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3282646
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Patent number 3,282,646
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Issue date Nov 1, 1966
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C01 - INORGANIC CHEMISTRY
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3275407
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Patent number 3,275,407
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Issue date Sep 27, 1966
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C01 - INORGANIC CHEMISTRY
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3243261
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Patent number 3,243,261
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Issue date Mar 29, 1966
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C01 - INORGANIC CHEMISTRY