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3773911
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Patent number 3,773,911
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Issue date Nov 20, 1973
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C01 - INORGANIC CHEMISTRY
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3728438
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Patent number 3,728,438
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Issue date Apr 17, 1973
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C01 - INORGANIC CHEMISTRY
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3413086
-
Patent number 3,413,086
-
Issue date Nov 26, 1968
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C01 - INORGANIC CHEMISTRY
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2906603
-
Patent number 2,906,603
-
Issue date Sep 29, 1959
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C01 - INORGANIC CHEMISTRY
-
2726140
-
Patent number 2,726,140
-
Issue date Dec 6, 1955
-
C01 - INORGANIC CHEMISTRY
-
2442874
-
Patent number 2,442,874
-
Issue date Jun 8, 1948
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C01 - INORGANIC CHEMISTRY
-
2119551
-
Patent number 2,119,551
-
Issue date Jun 7, 1938
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C01 - INORGANIC CHEMISTRY
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2099360
-
Patent number 2,099,360
-
Issue date Nov 16, 1937
-
C01 - INORGANIC CHEMISTRY
-
1349113
-
Patent number 1,349,113
-
Issue date Aug 10, 1920
-
C01 - INORGANIC CHEMISTRY