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Karl Schlichting, Peter Horn, Rolf Wurmb, Claus Cordes, Hans Josef Sterzel: Thermoplastic polyester molding compositions. BASF Aktiengesellschaft, Keil Thompson & Shurtleff, May 10, 1977: US04022748 (61 worldwide citation)

Thermoplastic polyester molding compositions showing good impact resistance at both high and relatively low temperatures and containing


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Hans Josef Sterzel, Kasimir Von Dziembowski, Hans Pirzer: Process and apparatus for the manufacture of linear high molecular weight polyesters. BASF Aktiengesellschaft, Keil & Witherspoon, November 25, 1980: US04235844 (50 worldwide citation)

A process for the manufacture of high molecular weight linear polyesters which are derived from dicarboxylic acids or their ester-forming derivatives and from diols, by condensing polyester precondensates, having a relative viscosity of at least 1.05, at from 270.degree. to 340.degree. C. under redu ...


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Rainer Theysohn, Klaus Penzien, Wolfgang Seydl, Rolf Wurmb, Horst Reimann, Claus Cordes, Hans Josef Sterzel: Flameproofed nylon molding compositions. BASF Aktiengesellschaft, Keil Thompson & Shurtleff, January 30, 1979: US04137212 (47 worldwide citation)

A flameproofed nylon molding composition which can be processed by thermoplastic methods and which contains, as the flameproofing agent, from 5 to 30% by weight of brominated styrene oligomers and a synergistic metal oxide. The compositions may be used for the manufacture of injection moldings for t ...


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Rolf Wurmb, Wolfgang Seydl, Klaus Penzien, Hermann Gausepohl, Hans Josef Sterzel: Flame-retardant linear polyesters. BASF Aktiengesellschaft, Keil Thompson & Shurtleff, August 15, 1978: US04107231 (32 worldwide citation)

Flame-proofed linear polyesters containing, as flame-proofing agents, halogenated oligomeric styrenes and synergistic compounds.


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Hans Josef Sterzel, Herbert Vogel, Herbert Exner, Detlef Kratz, Brudermuller: Preparation of lactates. BASF Aktiengesellschaft, Keil & Weinkauf, September 26, 1995: US05453365 (25 worldwide citation)

A process for the preparation of lactates by fermentation of mixtures containing sugars, conversion of the lactic acid obtained during fermentation to its salts, followed by esterification, in which


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Hans Josef Sterzel: Thermoelectrically active materials and generators containing them. BASF Aktiengesellschaft, Keil & Weinkauf, September 3, 2002: US06444894 (21 worldwide citation)

In a generator comprising a p-doped or n-doped semiconductor material, said semiconductor material is at least one ternary material selecting from one of the following substance classes and formed by combining at least two compounds of the substance class: suicides, borides, germanides, tellurides, ...