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)
Dutch (nl)
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/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
    • C07C37/70—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 (enrdf_load_stackoverflow)
DE (1) DE2642596A1 (enrdf_load_stackoverflow)
FR (1) FR2325627A1 (enrdf_load_stackoverflow)
GB (1) GB1565667A (enrdf_load_stackoverflow)
IT (1) IT1071481B (enrdf_load_stackoverflow)
NL (1) NL7610522A (enrdf_load_stackoverflow)

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
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 (enrdf_load_stackoverflow) * 1989-10-30 1991-06-26
CN1211336C (zh) * 1999-12-03 2005-07-20 三井化学株式会社 优质双酚a和制备它的方法
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
CN104379546B (zh) * 2012-06-28 2018-10-09 出光兴产株式会社 双酚a的制备方法
WO2018134734A1 (en) 2017-01-17 2018-07-26 Sabic Global Technologies B.V. Reduced color polycarbonate compositions, methods of manufacture, and articles thereof
CN112752786B (zh) 2018-12-05 2023-06-09 Sabic环球技术有限责任公司 氧化稳定性改进的聚碳酸酯组合物和其制备方法

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

Similar Documents

Publication Publication Date Title
NL7611711A (nl) Werkwijze ter bereiding van 9(alpha)-hydroxyandrosteen- dion.
RO75730A (ro) Procedeu pentru prepararea unor 1,2-benzizotiazol-3-one
NL7610522A (nl) Werkwijze ter verwijdering van kleurstoffen uit 4,4'-bisfenol-a-recirculaatstromen.
NL7601872A (nl) Werkwijze voor de bereiding van 1(alpha),25 dihydroxy- cholecalciferol.
YU299776A (en) Process for the synthesis of 3,4-dideoxy-kanamycin b
NL184215C (nl) Werkwijze voor de bereiding van 1,1,1-trihalogeen-4-methylpentenen.
ATA751376A (de) Verfahren zur herstellung von 24,25-dihydroxy- cholesterinderivaten
NL7600939A (nl) Werkwijze voor de bereiding van 2,5-dichloor- -p-xyleen.
NL7803208A (nl) Werkwijze ter bereiding van epoxiden uit 1,2-alkaandiolen.
IT1061454B (it) Processo per la preparazione di 1.2 ossafosfolani
NL7608139A (nl) Werkwijze ter bereiding van 2-chloorbutadieen- -1,3.
BE844739A (fr) Procede de preparation de cyclohexane-diones-1,3
NL7704602A (nl) Werkwijze ter bereiding van 1,4-dicyanobutenen.
NL7609625A (nl) Werkwijze ter bereiding van 2,9-dioxatricyclo (4,3,1,03'7) decanen.
NL7612466A (nl) Werkwijze voor de bereiding van 2,6-dimethyl- -1,3,6-octatrieen.
NL7600204A (nl) Werkwijze voor de bereiding van 6,11-dihydro-11- -oxydibenz (b,e) oxepinalkaanzuren.
NL7608770A (nl) Werkwijze ter bereiding van (alpha),(alpha),(alpha),(alpha)',(alpha)'-penta- chloor-o-xylenen.
PT65256B (en) Process for the preparation of 1-acyl-1,2,3,4-tetrahydro-6-quinolinols.
NL7614218A (nl) Werkwijze ter bereiding van 1-carbamoyl-3-(3,5- -dichloorfenyl) hydantoinen.
DK140847B (da) Analogifremgangsmåde til fremstilling af 2,2-dimethyl-pregn-4-en-3,20-dioner.
FR2318160A1 (fr) Procede de preparation du 7,8-epoxy-2-methyl-octadecane
IT1061436B (it) Processo per la preparazione di 1.2 ossafosfolani
SU470539A1 (ru) Способ обработки расплавов
NL7611503A (nl) Werkwijze ter bereiding van 2.6.6-trimethylcy- clohex-2-een-1-on.
NL7605738A (nl) Werkwijze ter bereiding van 1,1-dihalogeen- -1,3-dienen.

Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
BV The patent application has lapsed