Adolf Schmidt

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Kriftel, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing 2,2'-dimethyl-1,1'binaphthyl and 2,7'-dimethy...
- Patent number 5,767,333
- Issue date Jun 16, 1998
- Hoechst AG
- Hans Millauer
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Process for purifying 2-(4-isobutylphenyl)-propionic acid by vacuum...
- Patent number 5,271,811
- Issue date Dec 21, 1993
- Hoechst Celanese Corporation
- Siegbert Rittner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of m- and p-dichlorobenzene
- Patent number 5,152,875
- Issue date Oct 6, 1992
- Hoechst Aktiengesellschaft
- Siegbert Rittner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pair of substances for absorption heat transformers
- Patent number 4,779,675
- Issue date Oct 25, 1988
- Hoechst Aktiengesellschaft
- Uwe Stuven
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for reducing losses of mercury in alkali metal chloride ele...
- Patent number 4,212,715
- Issue date Jul 15, 1980
- Hoechst Aktiengesellschaft
- Siegfried Benninger
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR