1
Klaus G Wilms, Helmut Waldmann: Hydrogen peroxide treatment of effluent. Bayer Aktiengesellschaft, Sprung Felfe Horn Lynch & Kramer, October 13, 1981: US04294703 (36 worldwide citation)

In the process for decreasing the COD-content of effluent by treating with hydrogen peroxide in the presence of a transition metal compound, the improvement which comprises adding to the effluent about 5 to 40% of the calculated quantity of H.sub.2 O.sub.2 required for the total oxidation of the tot ...


2
Klaus G Wilms, Helmut Waldmann: Treating effluent with peroxide and iron. Bayer Aktiengesellschaft, Sprung Felfe Horn Lynch & Kramer, March 23, 1982: US04321143 (20 worldwide citation)

In the process for decreasing the COD-content of effluent by treating with hydrogen peroxide in the presence of a transition metal compound, the improvement which comprises adding to the effluent about 50 to 65% of the calculated quantity of H.sub.2 O.sub.2 required for the total oxidation of the to ...


3
Dieter Freitag, Werner Nouvertne, Peter Tacke, Klaus G Wilms: Thermoplastic moulding materials. Bayer Aktiengesellschaft, Connolly and Hutz, November 3, 1987: US04704430 (9 worldwide citation)

The present invention relates to thermoplastic moulding materials of (A) thermoplastic polycarbonates mixed with (B) thermoplastic polyalkylene terephthalates and, if appropriate, with (C) elastomeric polymers, which are characterized in that they contain (D) a polycarbonate-polyphenylene oxide bloc ...


4
Dieter Freitag, Ludwig Bottenbruch, Klaus G Wilms, Peter Tacke: Use of certain polyphenylene oxides for the production of aromatic block polyether-poly(ester) carbonates by the interfacial process. Bayer Aktiengesellschaft, Gene Harsh, Joseph C Gil, Aron Preis, February 24, 1987: US04645806 (6 worldwide citation)

This invention relates to the use of polyphenylene oxides corresponding to the following general formula: ##STR1## for the production of aromatic block polyether-poly(ester) carbonates by the interfacial process and also to the block polyether-poly(ester) carbonates obtainable by the process.


5
Klaus G Wilms, Helmut Waldmann, Johann Grolig: Process for the preparation of 2,3-dimethylbutane-2,3-diol. Bayer Aktiengesellschaft, Sprung Horn Kramer & Woods, October 18, 1983: US04410743

2,3-Dimethylbutane-2,3-diol is prepared by a process in which 2,3-dimethylbutenes are reacted with oxygen or an oxygen-containing gas, in the presence of 0.01 to 20 parts by weight of water (relative to 2,3-dimethylbutenes employed), at temperatures of from 40.degree. to 180.degree. C. and residence ...