FR2018276A1 - - Google Patents

Info

Publication number
FR2018276A1
FR2018276A1 FR6931631A FR6931631A FR2018276A1 FR 2018276 A1 FR2018276 A1 FR 2018276A1 FR 6931631 A FR6931631 A FR 6931631A FR 6931631 A FR6931631 A FR 6931631A FR 2018276 A1 FR2018276 A1 FR 2018276A1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
FR6931631A
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
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
Priority to DE19681793431 priority Critical patent/DE1793431A1/en
Application filed by Bayer AG filed Critical Bayer AG
Publication of FR2018276A1 publication Critical patent/FR2018276A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/70Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/84Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by crystallisation
FR6931631A 1968-09-17 1969-09-17 Withdrawn FR2018276A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19681793431 DE1793431A1 (en) 1968-09-17 1968-09-17 A process for purifying 4,4'-Dihydroxydiphenylpropan- (2,2) or the Phenoladduktes these compounds

Publications (1)

Publication Number Publication Date
FR2018276A1 true FR2018276A1 (en) 1970-05-29

Family

ID=5707702

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6931631A Withdrawn FR2018276A1 (en) 1968-09-17 1969-09-17

Country Status (6)

Country Link
JP (1) JPS5011909B1 (en)
BE (1) BE738962A (en)
DE (1) DE1793431A1 (en)
FR (1) FR2018276A1 (en)
GB (1) GB1277282A (en)
NL (1) NL6913707A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT971366B (en) * 1972-11-30 1974-04-30 Sir Soc Italiana Resine Spa A process for the production of 2 2 4 4 dihydroxydiphenyl propane
CN1050828C (en) * 1993-02-16 2000-03-29 中国石油化工总公司 Method of dephenolization for preparing high quality polycarbonic ester grade bisphenol A
CN1080914A (en) * 1993-02-17 1994-01-19 中国石油化工总公司 A kind of 2, the manufacture method of 2-two (4-hydroxy phenyl) propane
DE4413396A1 (en) * 1994-04-18 1995-10-19 Bayer Ag Process for the preparation of ultra-pure bisphenol-A and its use

Also Published As

Publication number Publication date
BE738962A (en) 1970-03-02
NL6913707A (en) 1970-03-19
GB1277282A (en) 1972-06-07
DE1793431A1 (en) 1971-07-01
JPS5011909B1 (en) 1975-05-07

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Legal Events

Date Code Title Description
ST Notification of lapse