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Freddy Helmer-Metzmann

Augsburg College

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Publication

Featured researches published by Freddy Helmer-Metzmann.

Archive | 1993

Polymer electrolyte membrane, and process for the production thereof

Freddy Helmer-Metzmann; Frank Osan; Arnold Dr. Schneller; Helmut Ritter; Konstantin Ledjeff; Roland Nolte; Ralf Thorwirth

Archive | 1993

Polymer electrolyte membrane and process for its manufacture

Freddy Helmer-Metzmann; Frank Osan; Arnold Dr. Schneller; Helmut Ritter; Konstantin Ledjeff; Roland Nolte; Ralf Thorwirth

Archive | 1995

Polymer electrolyte membrane for use in fuel cells and electrolysis cells

Freddy Helmer-Metzmann; Frank Osan; Arnold Schneller; Helmut Ritter; Konstantin Ledjeff; Roland Nolte; Ralf Thorwirth

Archive | 1993

Polymer electrolytes and their preparation

Freddy Helmer-Metzmann; Frank Osan

Archive | 1997

Homogeneous polymer alloys based on sulfonated aromatic polyetherkeytones

Freddy Helmer-Metzmann; Arnold Schneller

Archive | 1995

Homogeneous polymer blends on the basis of sulphonated, aromatic polyetherketones

Freddy Helmer-Metzmann; Arnold Dr. Schneller

Archive | 1995

Polyarylene sulphide sulphonic acid soluble in polar aprotic solvent - prepd. by chloro-sulphonation, used for making moulding, film, fibre or membrane esp. micro-, nano- or ultra-filtration or proton-conductive membrane

Freddy Helmer-Metzmann; Andreas Schleicher; Arnold Schneller; Helmut Witteler

Archive | 1993

Polymerelektrolyt-Membran und Verfahren zu ihrer Herstellung

Freddy Helmer-Metzmann; Frank Osan; Arnold Dr. Schneller; Helmut Ritter; Konstantin Ledjeff; Roland Nolte; Ralf Thorwirth

Archive | 1996

Polymerelektrolytter og fremgangsmåde til deres fremstilling

Freddy Helmer-Metzmann; Andreas Schleicher; Arnold Schneller; Helmut Witteler

Archive | 1996

Polymerelektrolyte und verfahren zu deren herstellung Polymer electrolytes, and processes for their preparation

Freddy Helmer-Metzmann; Andreas Schleicher; Arnold Schneller; Helmut Witteler

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Collaboration

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Arnold Dr. Schneller

Augsburg College

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Frank Osan

Augsburg College

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Helmut Ritter

Augsburg College

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Arnold Schneller

Bosch

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