JPS4948626A - - Google Patents

Info

Publication number
JPS4948626A
JPS4948626A JP47092503A JP9250372A JPS4948626A JP S4948626 A JPS4948626 A JP S4948626A JP 47092503 A JP47092503 A JP 47092503A JP 9250372 A JP9250372 A JP 9250372A JP S4948626 A JPS4948626 A JP S4948626A
Authority
JP
Japan
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.)
Granted
Application number
JP47092503A
Other languages
Japanese (ja)
Other versions
JPS563855B2 (cg-RX-API-DMAC7.html
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 filed Critical
Priority to JP9250372A priority Critical patent/JPS563855B2/ja
Priority to FR7332574A priority patent/FR2200227B1/fr
Priority to US05/397,472 priority patent/US3953528A/en
Priority to GB4338573A priority patent/GB1411870A/en
Publication of JPS4948626A publication Critical patent/JPS4948626A/ja
Publication of JPS563855B2 publication Critical patent/JPS563855B2/ja
Expired legal-status Critical Current

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
JP9250372A 1972-09-14 1972-09-14 Expired JPS563855B2 (cg-RX-API-DMAC7.html)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP9250372A JPS563855B2 (cg-RX-API-DMAC7.html) 1972-09-14 1972-09-14
FR7332574A FR2200227B1 (cg-RX-API-DMAC7.html) 1972-09-14 1973-09-11
US05/397,472 US3953528A (en) 1972-09-14 1973-09-14 Process for sublimation purification of crude hydroquinone with stirred and fluidized bed
GB4338573A GB1411870A (en) 1972-09-14 1973-09-14 Process for purification of hydroquinone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9250372A JPS563855B2 (cg-RX-API-DMAC7.html) 1972-09-14 1972-09-14

Publications (2)

Publication Number Publication Date
JPS4948626A true JPS4948626A (cg-RX-API-DMAC7.html) 1974-05-11
JPS563855B2 JPS563855B2 (cg-RX-API-DMAC7.html) 1981-01-27

Family

ID=14056098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9250372A Expired JPS563855B2 (cg-RX-API-DMAC7.html) 1972-09-14 1972-09-14

Country Status (4)

Country Link
US (1) US3953528A (cg-RX-API-DMAC7.html)
JP (1) JPS563855B2 (cg-RX-API-DMAC7.html)
FR (1) FR2200227B1 (cg-RX-API-DMAC7.html)
GB (1) GB1411870A (cg-RX-API-DMAC7.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013022492A (ja) * 2011-07-19 2013-02-04 Ulvac Japan Ltd 精製装置
JP2013059750A (ja) * 2011-09-15 2013-04-04 Kiriyama Seisakusho:Kk 昇華性物質の精製装置

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6350921B1 (en) 1998-02-24 2002-02-26 Indspec Chemical Corporation Process for the production of a dihydroxybenzene and dicarbinol from diisopropylbenzene
FR2903098B1 (fr) * 2006-06-29 2012-08-03 Rhodia Recherches & Tech Nouvelle forme d'hydroquinone et son procede d'obtention
FR2905374B1 (fr) * 2006-09-04 2008-11-14 Rhodia Recherches & Tech Procede de preparation d'hydroquinone de purete elevee.
CN101225025B (zh) * 2008-02-13 2010-09-29 上海华谊丙烯酸有限公司 一种分离苯酚羟基化反应液中邻/对苯二酚的方法
CN103480174B (zh) * 2013-09-11 2015-09-02 江口县苗药生物科技有限公司 一种高纯度艾片提取装置及其提取方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1446551A (en) * 1920-12-13 1923-02-27 Dissosway Chemical Company Inc Process of purifying resorcin
US1446564A (en) * 1921-01-11 1923-02-27 Dissosway Chemical Company Inc Sublimation apparatus
US3834997A (en) * 1972-07-14 1974-09-10 Dow Chemical Co Method for the separation of ortho-and para-dihydroxy benzene isomers

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013022492A (ja) * 2011-07-19 2013-02-04 Ulvac Japan Ltd 精製装置
JP2013059750A (ja) * 2011-09-15 2013-04-04 Kiriyama Seisakusho:Kk 昇華性物質の精製装置

Also Published As

Publication number Publication date
GB1411870A (en) 1975-10-29
US3953528A (en) 1976-04-27
JPS563855B2 (cg-RX-API-DMAC7.html) 1981-01-27
FR2200227B1 (cg-RX-API-DMAC7.html) 1976-05-14
FR2200227A1 (cg-RX-API-DMAC7.html) 1974-04-19

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