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Wolfgang Schenk
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Leverkusen, DE
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last 30 patents
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Patent Grant
Process for the preparation of naphthalene-1,3,5-trisulphonic acid
Patent number
4,369,143
Issue date
Jan 18, 1983
Bayer Aktiengesellschaft
Horst Behre
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for producing the magnesium salt of 3-nitro-naphthalene-1,5...
Patent number
4,348,334
Issue date
Sep 7, 1982
Ciba-Geigy AG
Bernhard Albrecht
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for the preparation of sulphonic acid chlorides
Patent number
4,316,862
Issue date
Feb 23, 1982
Bayer Aktiengesellschaft
Wolfgang Schenk
C07 - ORGANIC CHEMISTRY
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Patent Grant
Process for the preparation of sulphonic acid chlorides
Patent number
4,314,950
Issue date
Feb 9, 1982
Bayer Aktiengesellschaft
Theodor Pfister
C07 - ORGANIC CHEMISTRY