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Heydenreich Frieder

Bayer

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Publication

Featured researches published by Heydenreich Frieder.

Archive | 2001

Conditioning of ion exchanger, used as catalyst, e.g. in bisphenol production, involves repeated washing with conductivity water, draining, mixing with e.g. phenol and drying by circulation through washing and distillation units

Prein Michael; Boediger Michael; Neumann Rainer; Heydenreich Frieder; Fennhoff Gerhard

Archive | 2001

Use of a desorber with optionally series-connected distillation unit for separation of bis-phenol, e.g. Bisphenol A, and phenol from adducts of bis-phenol and phenol

Neumann Rainer; Heydenreich Frieder; Prein Michael; Lanze Rolf; Boediger Michael

Archive | 2001

Verfahren zur Befüllung von Containern

Heydenreich Frieder; Neumann Rainer; Boediger Michael; Bandura Axel

Archive | 2001

Behälter aus Polycarbonat

Horn Klaus; Kuehling Steffen; Hufen Ralf; Lanze Rolf; Prein Michael; Neumann Rainer; Kauth Hermann; Heydenreich Frieder; Osselaer Tony Van

Archive | 2000

Polycarbonate used for substrates for optical data storage is prepared from phosgene and sodium bisphenolate with the exclusion of oxygen in an interphase process

Kuehling Steffen; Lanze Rolf; Prein Michael; Neumann Rainer; Kauth Hermann; Kords Christian; Heydenreich Frieder; Osselaer Tony Van

Archive | 2000

Verfahren und Vorrichtung zur Herstellung von Bisphenol-A-Prills und danach hergestellte Bisphenol-A-Prills

Lanze Rolf; Eitel Alfred; Neumann Rainer; Kuehling Steffen; Heydenreich Frieder; Osselaer Tony Van; Bellinghausen Rainer; Herold Heiko

Archive | 1999

Vorrichtung zum Mischen und Reagieren mehrphasiger gasförmiger und flüssiger Gemische und Verwendung dieser Vorrichtung

Breuer Werner; Heydenreich Frieder; Jeromin Guenter; Judat Helmut

Archive | 1999

Start-up of bisphenol A production over sulfonated crosslinked polystyrene resin uses higher phenol concentration and lower acetone concentration and throughput than in optimum long-term operation

Boediger Michael; Neumann Rainer; Heydenreich Frieder; Prein Michael; Fofonka Hans-Ludwig

Archive | 2013

METHOD FOR PRODUCING BISPHENOL

Neumann Rainer; Lanze Rolf; Heydenreich Frieder; Boediger Michael; Prein Michael

Archive | 2007

PROCESS FOR SEPARATING BIS(4-HYDROXYARYL)ALKANES AND DEVICE THEREFOR

Neumann Rainer; Lanze Rolf; Heydenreich Frieder; Boediger Michael; Prein Michael

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Collaboration

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Neumann Rainer

Bayer

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Prein Michael

Bayer

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Lanze Rolf

Bayer

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Boediger Michael

Bayer

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Osselaer Tony Van

Bayer

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Kuehling Steffen

Bayer

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Fennhoff Gerhard

Bayer

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Kauth Hermann

Bayer

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Bandura Axel

Bayer

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Eitel Alfred

Bayer

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