GB1292405A - Purification of ditrimethylolpropane - Google Patents

Purification of ditrimethylolpropane

Info

Publication number
GB1292405A
GB1292405A GB5633470A GB5633470A GB1292405A GB 1292405 A GB1292405 A GB 1292405A GB 5633470 A GB5633470 A GB 5633470A GB 5633470 A GB5633470 A GB 5633470A GB 1292405 A GB1292405 A GB 1292405A
Authority
GB
United Kingdom
Prior art keywords
ditrimethylolpropane
purification
formals
nov
methanol
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
GB5633470A
Other languages
English (en)
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.)
Koei Chemical Co Ltd
Original Assignee
Koei Chemical Co Ltd
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 Koei Chemical Co Ltd filed Critical Koei Chemical Co Ltd
Publication of GB1292405A publication Critical patent/GB1292405A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C41/00—Preparation of ethers; Preparation of compounds having groups, groups or groups
    • C07C41/01—Preparation of ethers
    • C07C41/34—Separation; Purification; Stabilisation; Use of additives
    • C07C41/40—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation
    • C07C41/42—Separation; Purification; Stabilisation; Use of additives by change of physical state, e.g. by crystallisation by distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
GB5633470A 1969-11-29 1970-11-26 Purification of ditrimethylolpropane Expired GB1292405A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9611769A JPS4924043B1 (ru) 1969-11-29 1969-11-29

Publications (1)

Publication Number Publication Date
GB1292405A true GB1292405A (en) 1972-10-11

Family

ID=14156423

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5633470A Expired GB1292405A (en) 1969-11-29 1970-11-26 Purification of ditrimethylolpropane

Country Status (5)

Country Link
JP (1) JPS4924043B1 (ru)
DE (1) DE2058519C3 (ru)
GB (1) GB1292405A (ru)
NL (1) NL7017369A (ru)
SE (1) SE370934B (ru)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000073250A1 (en) * 1999-06-01 2000-12-07 Celanese International Corporation Treatment of a composition comprising a trimetlylohalkane bis-monolinear formal
EP1178030A2 (en) * 2000-08-03 2002-02-06 Mitsubishi Gas Chemical Company, Inc. Process for recovering ditrimethylolpropane
EP1491521A1 (en) * 2003-06-13 2004-12-29 Mitsubishi Gas Chemical Company, Inc. Method for producing ditrimethylolpropane
CN102143931B (zh) * 2008-08-16 2014-06-18 朗盛德国有限责任公司 用于分离二-三羟甲基丙烷的方法
CN114181044A (zh) * 2021-12-03 2022-03-15 宁夏百川科技有限公司 高纯度双三羟甲基丙烷的制备方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1136630B (it) * 1981-05-22 1986-09-03 Montedison Spa Metodo per il recupero di pentaeritritolo da miscele residue della sintesi da acetaldeide e formaldeide
DE102011118953B4 (de) * 2011-11-19 2014-06-05 Oxea Gmbh Destillatives Verfahren zur Gewinnung von Di-Trimethylolpropan

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000073250A1 (en) * 1999-06-01 2000-12-07 Celanese International Corporation Treatment of a composition comprising a trimetlylohalkane bis-monolinear formal
KR100748797B1 (ko) * 1999-06-01 2007-08-13 셀라니즈 인터내셔날 코포레이션 트리메틸올알칸 비스-모노 선형 포름알을 포함하는 조성물의 처리 방법
EP1178030A2 (en) * 2000-08-03 2002-02-06 Mitsubishi Gas Chemical Company, Inc. Process for recovering ditrimethylolpropane
EP1178030A3 (en) * 2000-08-03 2002-03-27 Mitsubishi Gas Chemical Company, Inc. Process for recovering ditrimethylolpropane
EP1491521A1 (en) * 2003-06-13 2004-12-29 Mitsubishi Gas Chemical Company, Inc. Method for producing ditrimethylolpropane
US7553994B2 (en) 2003-06-13 2009-06-30 Mitsubishi Gas Chemical Company, Inc. Method for producing ditrimethylolpropane
CN102143931B (zh) * 2008-08-16 2014-06-18 朗盛德国有限责任公司 用于分离二-三羟甲基丙烷的方法
CN114181044A (zh) * 2021-12-03 2022-03-15 宁夏百川科技有限公司 高纯度双三羟甲基丙烷的制备方法
CN114181044B (zh) * 2021-12-03 2024-05-17 宁夏百川科技有限公司 高纯度双三羟甲基丙烷的制备方法

Also Published As

Publication number Publication date
DE2058519B2 (de) 1978-02-23
DE2058519A1 (de) 1971-06-09
DE2058519C3 (de) 1978-10-26
JPS4924043B1 (ru) 1974-06-20
SE370934B (ru) 1974-11-04
NL7017369A (ru) 1971-06-02

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee