NL7610522A - Werkwijze ter verwijdering van kleurstoffen uit 4,4'-bisfenol-a-recirculaatstromen. - Google Patents

Werkwijze ter verwijdering van kleurstoffen uit 4,4'-bisfenol-a-recirculaatstromen.

Info

Publication number
NL7610522A
NL7610522A NL7610522A NL7610522A NL7610522A NL 7610522 A NL7610522 A NL 7610522A NL 7610522 A NL7610522 A NL 7610522A NL 7610522 A NL7610522 A NL 7610522A NL 7610522 A NL7610522 A NL 7610522A
Authority
NL
Netherlands
Prior art keywords
recirculate
bisphenol
streams
dye
removal
Prior art date
Application number
NL7610522A
Other languages
English (en)
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of NL7610522A publication Critical patent/NL7610522A/nl

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
    • C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
    • C07C37/82—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment by solid-liquid treatment; by chemisorption

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
NL7610522A 1975-09-23 1976-09-22 Werkwijze ter verwijdering van kleurstoffen uit 4,4'-bisfenol-a-recirculaatstromen. NL7610522A (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US61602675A 1975-09-23 1975-09-23
US69672676A 1976-06-16 1976-06-16

Publications (1)

Publication Number Publication Date
NL7610522A true NL7610522A (nl) 1977-03-25

Family

ID=27087657

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7610522A NL7610522A (nl) 1975-09-23 1976-09-22 Werkwijze ter verwijdering van kleurstoffen uit 4,4'-bisfenol-a-recirculaatstromen.

Country Status (6)

Country Link
JP (1) JPS5242861A (nl)
DE (1) DE2642596A1 (nl)
FR (1) FR2325627A1 (nl)
GB (1) GB1565667A (nl)
IT (1) IT1071481B (nl)
NL (1) NL7610522A (nl)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4051079A (en) * 1976-06-22 1977-09-27 Union Carbide Corporation Regeneration of acidic cation exchange resin using acidified phenol-water mixture
EP0001863B1 (en) * 1977-11-09 1981-07-15 Shell Internationale Researchmaatschappij B.V. Preparation of bisphenols
JPS6079907U (ja) * 1983-11-04 1985-06-03 株式会社クボタ 乗用田植機の線引マ−カ構造
US4636393A (en) * 1984-11-28 1987-01-13 Campbell Soup Company Method of processing meat for inclusion in high acid type foods and product thereof
JPH01211544A (ja) * 1988-02-19 1989-08-24 Mitsui Toatsu Chem Inc ビスフェノールａの製造方法
US4954661A (en) * 1988-03-11 1990-09-04 Mitsui Toatsu Chemicals, Inc. Process for preparing high-purity bisphenol A
JPH0365408U (nl) * 1989-10-30 1991-06-26
US20030028055A1 (en) * 1999-12-03 2003-02-06 Hideaki Nakamura High quality bisphenol a and preparation process thereof
US6680270B2 (en) 2001-04-24 2004-01-20 General Electric Company Regeneration of catalysts used in the manufacture of bisphenols
US7696388B2 (en) * 2008-07-09 2010-04-13 Sabic Innovative Plastics Ip B.V. Process for producing bisphenol-A
JP6055472B2 (ja) * 2012-06-28 2016-12-27 出光興産株式会社 ビスフェノールａの製造方法
EP3571240B1 (en) 2017-01-17 2023-08-30 SABIC Global Technologies B.V. Reduced color polycarbonate compositions, methods of manufacture, and articles thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2222607A1 (de) * 1972-05-09 1973-11-22 Rheinstahl Ag Ringwalzwerk

Also Published As

Publication number Publication date
IT1071481B (it) 1985-04-10
DE2642596A1 (de) 1977-04-07
JPS5242861A (en) 1977-04-04
GB1565667A (en) 1980-04-23
JPS5534779B2 (nl) 1980-09-09
FR2325627A1 (fr) 1977-04-22

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BV The patent application has lapsed