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Bis-quinizarin compounds
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Patent number 4,313,887
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Issue date Feb 2, 1982
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Gulf Oil Corporation
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Clarence D. Bertino
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C07 - ORGANIC CHEMISTRY
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3884943
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Patent number 3,884,943
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Issue date May 20, 1975
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C07 - ORGANIC CHEMISTRY
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2752364
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Patent number 2,752,364
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Issue date Jun 26, 1956
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C07 - ORGANIC CHEMISTRY
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2445538
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Patent number 2,445,538
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Issue date Jul 20, 1948
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C07 - ORGANIC CHEMISTRY
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2215555
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Patent number 2,215,555
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Issue date Sep 24, 1940
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D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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2215556
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Patent number 2,215,556
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Issue date Sep 24, 1940
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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2167070
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Patent number 2,167,070
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Issue date Jul 25, 1939
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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1962084
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Patent number 1,962,084
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Issue date Jun 5, 1934
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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1914450
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Patent number 1,914,450
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Issue date Jun 20, 1933
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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1909638
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Patent number 1,909,638
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Issue date May 16, 1933
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C07 - ORGANIC CHEMISTRY