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Jean-Jacques Salzmann
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Aesch, CH
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last 30 patents
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Patent Grant
Anionic azo dyes having a 3-dibenzofuranyl diazo component radical...
Patent number
4,185,013
Issue date
Jan 22, 1980
Sandoz Ltd.
Francois Benguerel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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Patent Grant
Anionic azo dyes having a 3-dibenzofuranyl diazo component radical...
Patent number
4,081,438
Issue date
Mar 28, 1978
Sandoz Ltd.
Francois Benguerel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...