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Otto Lindner
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Bergisch Gladbach, DE
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last 30 patents
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Patent Grant
Sulphonation products of naphthalene, processes for their preparati...
Patent number
4,600,542
Issue date
Jul 15, 1986
Kramer Aktiengesellschaft
Otto Lindner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of nitronaphthalene-sulphonic acids
Patent number
4,534,905
Issue date
Aug 13, 1985
Bayer Aktiengesellschaft
Horst Behre
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing 1-amino-2-naphthol-4-sulphonic acid (amidol a...
Patent number
4,427,601
Issue date
Jan 24, 1984
Bayer Aktiengesellschaft
Erich Hammerschmidt
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for isolating H acid and K acid
Patent number
4,426,334
Issue date
Jan 17, 1984
Bayer Aktiengesellschaft
Horst Behre
C07 - ORGANIC CHEMISTRY