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Helmut Mengler
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Frankfurt am Main, DT
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last 30 patents
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Patent Grant
3-[3',4'-Dichloro-6'-alkyl-phenyl]-.DELTA. 2-pyrazoline derivatives...
Patent number
4,045,169
Issue date
Aug 30, 1977
Hoechst Aktiengesellschaft
Helmut Mengler
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Styryl-pyrazoline compounds
Patent number
3,998,812
Issue date
Dec 21, 1976
Hoechst Aktiengesellschaft
Helmut Mengler
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
3-[3',4'-Dichloro-6'-alkyl-phenyl]-.DELTA..sup.2 -pyrazoline deriva...
Patent number
3,957,815
Issue date
May 18, 1976
Hoechst Aktiengesellschaft
Helmut Mengler
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Bis-triazinyl-amino)-stilbene-disulfonic acid derivatives
Patent number
3,951,965
Issue date
Apr 20, 1976
Hoechst Aktiengesellschaft
Helmut Mengler
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...