GB2124247B - Tar acid purification - Google Patents

Tar acid purification

Info

Publication number
GB2124247B
GB2124247B GB08318201A GB8318201A GB2124247B GB 2124247 B GB2124247 B GB 2124247B GB 08318201 A GB08318201 A GB 08318201A GB 8318201 A GB8318201 A GB 8318201A GB 2124247 B GB2124247 B GB 2124247B
Authority
GB
United Kingdom
Prior art keywords
acid purification
tar acid
tar
purification
acid
Prior art date
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.)
Expired
Application number
GB08318201A
Other languages
English (en)
Other versions
GB2124247A (en
GB8318201D0 (en
Inventor
Nicholas Paul Greco
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.)
Beazer East Inc
Original Assignee
Koppers Co Inc
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 Koppers Co Inc filed Critical Koppers Co Inc
Publication of GB8318201D0 publication Critical patent/GB8318201D0/en
Publication of GB2124247A publication Critical patent/GB2124247A/en
Application granted granted Critical
Publication of GB2124247B publication Critical patent/GB2124247B/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
    • C10C1/00—Working-up tar

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Working-Up Tar And Pitch (AREA)
GB08318201A 1982-07-14 1983-07-05 Tar acid purification Expired GB2124247B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/398,074 US4443636A (en) 1982-07-14 1982-07-14 Refining lurgi tar acids

Publications (3)

Publication Number Publication Date
GB8318201D0 GB8318201D0 (en) 1983-08-03
GB2124247A GB2124247A (en) 1984-02-15
GB2124247B true GB2124247B (en) 1986-09-10

Family

ID=23573891

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08318201A Expired GB2124247B (en) 1982-07-14 1983-07-05 Tar acid purification

Country Status (6)

Country Link
US (1) US4443636A (enExample)
JP (1) JPS5912987A (enExample)
DE (1) DE3314163C2 (enExample)
FR (1) FR2530260B1 (enExample)
GB (1) GB2124247B (enExample)
ZA (1) ZA832281B (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2651026B2 (ja) * 1989-09-20 1997-09-10 株式会社日立製作所 液晶表示装置
DE69214607T2 (de) * 1991-12-04 1997-03-20 Dakota Gasification Co Verarbeitung von natürlicher Kresylsäure
US5750009A (en) * 1994-08-31 1998-05-12 Dakota Gasification Company Method for purifying natural cresylic acid mixtures
DE19728835C1 (de) * 1997-07-05 1998-09-10 Ruetgers Vft Ag Verfahren zur Reinigung von Chinaldin
JP6178052B2 (ja) * 2012-07-20 2017-08-09 東京応化工業株式会社 クレゾール類の精製方法、感光性樹脂組成物用ノボラック樹脂の製造方法、及び感光性樹脂組成物

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE341231C (enExample) *
US1029438A (en) * 1911-07-26 1912-06-11 William F Geyer Smoke elevator and concentrator.
US1819687A (en) * 1924-11-14 1931-08-18 Barrett Co Process of recovering tar acids
US2006589A (en) * 1934-03-05 1935-07-02 Barrett Co Method of purifying phenols
GB1094373A (en) * 1964-05-08 1967-12-13 Yorkshire Tar Distillers Ltd Purification of coal tar phenols

Also Published As

Publication number Publication date
DE3314163C2 (de) 1985-10-10
ZA832281B (en) 1983-12-28
JPS6154351B2 (enExample) 1986-11-21
DE3314163A1 (de) 1984-02-02
GB2124247A (en) 1984-02-15
FR2530260A1 (fr) 1984-01-20
GB8318201D0 (en) 1983-08-03
JPS5912987A (ja) 1984-01-23
US4443636A (en) 1984-04-17
FR2530260B1 (fr) 1987-07-10

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee