Walter R. Demler

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Hamburg, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of meta sulfobenzoic acid and meta hydr...
- Patent number 4,358,410
- Issue date Nov 9, 1982
- Buffalo Color Corporation
- Walter R. Demler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for recovering pure metahydroxybenzoic acid
- Patent number 4,350,827
- Issue date Sep 21, 1982
- Buffalo Color Corporation
- Walter R. Demler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of 4,4' dihydroxydiphenyl
- Patent number 4,324,926
- Issue date Apr 13, 1982
- Buffalo Color Corporation
- Walter R. Demler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of 4,4' dihydroxydiphenyl
- Patent number 4,243,822
- Issue date Jan 6, 1981
- Buffalo Color Corporation
- Walter R. Demler
- C07 - ORGANIC CHEMISTRY