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Andreas Sommer
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Niedernhausen, DE
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last 30 patents
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Patent Grant
Pigment formulations, processes for their preparation and their use
Patent number
5,112,404
Issue date
May 12, 1992
Hoechst Aktiengesellschaft
Andreas Sommer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Addition compounds, a process for the preparation, and their use, b...
Patent number
5,070,159
Issue date
Dec 3, 1991
Hoechst Aktiengesellschaft
Erwin Dietz
C01 - INORGANIC CHEMISTRY