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Process of preparing pyranthrone pigments
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Issue date Mar 20, 1979
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BASF Aktiengesellschaft
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Fritz Graser
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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3754008
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Patent number 3,754,008
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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2769815
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C07 - ORGANIC CHEMISTRY
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2074381
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Patent number 2,074,381
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2013790
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Patent number 2,013,790
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2013791
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Patent number 2,013,791
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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1975256
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Patent number 1,975,256
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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1975257
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Patent number 1,975,257
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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1945405
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Patent number 1,945,405
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1884122
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Patent number 1,884,122
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1876975
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Patent number 1,876,975
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1735941
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Patent number 1,735,941
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955105
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Patent number 955,105
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929442
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876810
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Patent number 876,810
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Issue date Jan 14, 1908
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C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...