BE759937A - - Google Patents

Info

Publication number
BE759937A
BE759937A BE759937DA BE759937A BE 759937 A BE759937 A BE 759937A BE 759937D A BE759937D A BE 759937DA BE 759937 A BE759937 A BE 759937A
Authority
BE
Belgium
Application number
Original Assignee
Shell Int Research
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.)
Publication date
Publication of BE759937A publication Critical patent/BE759937A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
    • C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
    • C07C37/86—Purification; separation; Use of additives, e.g. for stabilisation by treatment giving rise to a chemical modification
BE759937D 1969-12-15 BE759937A (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US88533369A 1969-12-15 1969-12-15
US88533469A 1969-12-15 1969-12-15

Publications (1)

Publication Number Publication Date
BE759937A true BE759937A (xx) 1971-06-07

Family

ID=27128758

Family Applications (1)

Application Number Title Priority Date Filing Date
BE759937D BE759937A (xx) 1969-12-15

Country Status (6)

Country Link
JP (1) JPS5012428B1 (xx)
BE (1) BE759937A (xx)
DE (1) DE2061531A1 (xx)
FR (1) FR2073717A5 (xx)
GB (1) GB1274798A (xx)
NL (1) NL7018177A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT971366B (it) * 1972-11-30 1974-04-30 Sir Soc Italiana Resine Spa Procedimento per la produzione di 2 2 4 4 diidrossidifenil propano
FR2289476A1 (fr) * 1974-10-31 1976-05-28 Rhone Poulenc Ind Procede de cristallisation d'un complexe de di(hydroxy-4 phenyl) 2,2 propane et de phenol
US4212997A (en) * 1978-06-27 1980-07-15 General Electric Company Process for recovering 2,2-bis(4-hydroxyphenyl)propane from an adduct of 2,2-bis(4-hydroxyphenyl)propane and phenol
JPH066542B2 (ja) * 1987-05-06 1994-01-26 三井東圧化学株式会社 ビスフェノ−ルａの製造方法
DE4105428A1 (de) * 1991-02-21 1992-08-27 Bayer Ag Verfahren zur reinigung von bisphenolen
US5210329A (en) * 1992-02-18 1993-05-11 General Electric Company Process for preparing bisphenol-A
EP1497375B1 (en) 2002-04-15 2007-12-26 Solvay Advanced Polymers, LLC Polysulfone compositions exhibiting very low color and high light transmittance properties and articles made therefrom
JP4918264B2 (ja) * 2006-02-02 2012-04-18 出光興産株式会社 ビスフェノールａの回収方法および回収設備

Also Published As

Publication number Publication date
JPS5012428B1 (xx) 1975-05-12
FR2073717A5 (xx) 1971-10-01
NL7018177A (xx) 1971-06-17
GB1274798A (en) 1972-05-17
DE2061531A1 (de) 1971-06-24

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SHELL INTERNATIONALE RESEARCH MIJ N.V.

Effective date: 19881231