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3929668
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Patent number 3,929,668
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Issue date Dec 30, 1975
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3925253
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Patent number 3,925,253
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Issue date Dec 9, 1975
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3919119
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Patent number 3,919,119
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Issue date Nov 11, 1975
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C07 - ORGANIC CHEMISTRY
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3906076
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Patent number 3,906,076
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Issue date Sep 16, 1975
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C01 - INORGANIC CHEMISTRY
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3867312
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Patent number 3,867,312
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Issue date Feb 18, 1975
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3752773
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Patent number 3,752,773
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Issue date Aug 14, 1973
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C07 - ORGANIC CHEMISTRY
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3668114
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Patent number 3,668,114
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Issue date Jun 6, 1972
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3493343
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Patent number 3,493,343
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Issue date Feb 3, 1970
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C01 - INORGANIC CHEMISTRY
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3455842
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Patent number 3,455,842
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Issue date Jul 15, 1969
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3403109
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Patent number 3,403,109
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Issue date Sep 24, 1968
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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3390202
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Patent number 3,390,202
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Issue date Jun 25, 1968
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C07 - ORGANIC CHEMISTRY