Kurt Wember

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Patents Grantslast 30 patents

Information Patent Grant
Method for preparation of dimethyl terephthalate
- Patent number 4,009,199
- Issue date Feb 22, 1977
- Chemische Werke Huls Aktiengesellschaft
- Ferdinand List
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for recovering the mother liquor produced by the esterifica...
- Patent number 4,005,124
- Issue date Jan 25, 1977
- Chemische Werke Huls Aktiengesellschaft
- Ferdinand List
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Apparatus for the production of dimethyl terephthalate by the ester...
- Patent number 3,980,441
- Issue date Sep 14, 1976
- Chemische Werke Huls Aktiengesellschaft
- Horst-Dieter Wulf
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Dimethyl terephthalate prepared by the esterification of terephthal...
- Patent number 3,940,431
- Issue date Feb 24, 1976
- Chemische Werke Huls Aktiengesellschaft
- Horst-Dieter Wulf
- C07 - ORGANIC CHEMISTRY