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Ulrich Blass
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Reinach, CH
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last 30 patents
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Patent Grant
Process for the production of concentrated solutions of cationic az...
Patent number
3,956,271
Issue date
May 11, 1976
Sandoz Ltd.
Ulrich Blass
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...