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3656891
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Patent number 3,656,891
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Issue date Apr 18, 1972
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C01 - INORGANIC CHEMISTRY
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3369867
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Patent number 3,369,867
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Issue date Feb 20, 1968
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C01 - INORGANIC CHEMISTRY
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3063805
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Patent number 3,063,805
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Issue date Nov 13, 1962
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C01 - INORGANIC CHEMISTRY
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2333672
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Patent number 2,333,672
-
Issue date Nov 9, 1943
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C01 - INORGANIC CHEMISTRY
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2094573
-
Patent number 2,094,573
-
Issue date Sep 28, 1937
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C01 - INORGANIC CHEMISTRY
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1990896
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Patent number 1,990,896
-
Issue date Feb 12, 1935
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C01 - INORGANIC CHEMISTRY
-
1936070
-
Patent number 1,936,070
-
Issue date Nov 21, 1933
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C01 - INORGANIC CHEMISTRY
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1922682
-
Patent number 1,922,682
-
Issue date Aug 15, 1933
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C01 - INORGANIC CHEMISTRY
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1886045
-
Patent number 1,886,045
-
Issue date Nov 1, 1932
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C01 - INORGANIC CHEMISTRY
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1634870
-
Patent number 1,634,870
-
Issue date Jul 5, 1927
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C01 - INORGANIC CHEMISTRY
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1409139
-
Patent number 1,409,139
-
Issue date Mar 7, 1922
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C01 - INORGANIC CHEMISTRY