UA18580A - A process for preparation of diphenols - Google Patents

A process for preparation of diphenols

Info

Publication number
UA18580A
UA18580A UA4614753A UA4614753A UA18580A UA 18580 A UA18580 A UA 18580A UA 4614753 A UA4614753 A UA 4614753A UA 4614753 A UA4614753 A UA 4614753A UA 18580 A UA18580 A UA 18580A
Authority
UA
Ukraine
Prior art keywords
diphenols
preparation
polycarbonates
chemistry
carrying
Prior art date
Application number
UA4614753A
Other languages
Russian (ru)
Ukrainian (uk)
Inventor
Фрейтаг Дітер
Вестеппе Уве
Вульфф Клаус
Фріч Карл-Херберт
Кассер Карл
Вейманс Гюнтер
Шрадер Луц
Вальденрат Вернер
Original Assignee
Байер Аг
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Байер Аг filed Critical Байер Аг
Publication of UA18580A publication Critical patent/UA18580A/en

Links

Landscapes

  • Polyesters Or Polycarbonates (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

The invention relates to chemistry of polycarbonates, in particular to a process for preparation of diphenols. This process provides for carrying out reaction at the temperature of 28 - 35°C and molar ratio of compounds equal to from 6 to 1.
UA4614753A 1988-08-12 1989-08-11 A process for preparation of diphenols UA18580A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3827434 1988-08-12

Publications (1)

Publication Number Publication Date
UA18580A true UA18580A (en) 1997-12-25

Family

ID=6360747

Family Applications (1)

Application Number Title Priority Date Filing Date
UA4614753A UA18580A (en) 1988-08-12 1989-08-11 A process for preparation of diphenols

Country Status (4)

Country Link
DD (4) DD297605A5 (en)
SU (1) SU1750416A3 (en)
UA (1) UA18580A (en)
ZA (1) ZA896144B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007052947A1 (en) * 2007-10-31 2009-05-07 Bayer Materialscience Ag Process for producing a polycarbonate layer composite
DE102007052948A1 (en) 2007-10-31 2009-05-07 Bayer Materialscience Ag Process for producing a polycarbonate layer composite
DE102007052949A1 (en) * 2007-10-31 2009-05-07 Bayer Materialscience Ag Process for producing a polycarbonate layer composite
DE102008058260A1 (en) 2008-11-19 2010-05-20 Bundesdruckerei Gmbh Preparation for producing a cover layer for an electroluminescent security element of a security and / or value document

Also Published As

Publication number Publication date
ZA896144B (en) 1990-05-30
SU1750416A3 (en) 1992-07-23
DD287480A5 (en) 1991-02-28
DD297605A5 (en) 1992-01-16
DD297654A5 (en) 1992-01-16
DD297572A5 (en) 1992-01-16

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