JPS4924043B1 - - Google Patents
Info
- Publication number
- JPS4924043B1 JPS4924043B1 JP9611769A JP9611769A JPS4924043B1 JP S4924043 B1 JPS4924043 B1 JP S4924043B1 JP 9611769 A JP9611769 A JP 9611769A JP 9611769 A JP9611769 A JP 9611769A JP S4924043 B1 JPS4924043 B1 JP S4924043B1
- 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.)
- Pending
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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9611769A JPS4924043B1 (zh) | 1969-11-29 | 1969-11-29 | |
GB5633470A GB1292405A (en) | 1969-11-29 | 1970-11-26 | Purification of ditrimethylolpropane |
DE19702058519 DE2058519C3 (de) | 1969-11-29 | 1970-11-27 | Verfahren zur Gewinnung von Ditrimethylolpropan aus einem dasselbe enthaltende Reaktionsgemisch |
SE1614470A SE370934B (zh) | 1969-11-29 | 1970-11-27 | |
NL7017369A NL7017369A (zh) | 1969-11-29 | 1970-11-27 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9611769A JPS4924043B1 (zh) | 1969-11-29 | 1969-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4924043B1 true JPS4924043B1 (zh) | 1974-06-20 |
Family
ID=14156423
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9611769A Pending JPS4924043B1 (zh) | 1969-11-29 | 1969-11-29 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4924043B1 (zh) |
DE (1) | DE2058519C3 (zh) |
GB (1) | GB1292405A (zh) |
NL (1) | NL7017369A (zh) |
SE (1) | SE370934B (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011530567A (ja) * | 2008-08-16 | 2011-12-22 | ランクセス・ドイチュランド・ゲーエムベーハー | ジトリメチロールプロパンを単離する方法 |
JP2014533664A (ja) * | 2011-11-19 | 2014-12-15 | オクセア・ゲゼルシャフト・ミト・べシュレンクテル・ハフツング | ジトリメチロールプロパンを獲得するための蒸留方法 |
Families Citing this family (5)
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 |
US6096905A (en) * | 1999-06-01 | 2000-08-01 | Celanese International Corporation | Treatment of a composition comprising a trimethylolalkane bis-monolinear formal |
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 |
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 |
-
1969
- 1969-11-29 JP JP9611769A patent/JPS4924043B1/ja active Pending
-
1970
- 1970-11-26 GB GB5633470A patent/GB1292405A/en not_active Expired
- 1970-11-27 NL NL7017369A patent/NL7017369A/xx unknown
- 1970-11-27 DE DE19702058519 patent/DE2058519C3/de not_active Expired
- 1970-11-27 SE SE1614470A patent/SE370934B/xx unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011530567A (ja) * | 2008-08-16 | 2011-12-22 | ランクセス・ドイチュランド・ゲーエムベーハー | ジトリメチロールプロパンを単離する方法 |
JP2014533664A (ja) * | 2011-11-19 | 2014-12-15 | オクセア・ゲゼルシャフト・ミト・べシュレンクテル・ハフツング | ジトリメチロールプロパンを獲得するための蒸留方法 |
Also Published As
Publication number | Publication date |
---|---|
GB1292405A (en) | 1972-10-11 |
SE370934B (zh) | 1974-11-04 |
NL7017369A (zh) | 1971-06-02 |
DE2058519A1 (de) | 1971-06-09 |
DE2058519C3 (de) | 1978-10-26 |
DE2058519B2 (de) | 1978-02-23 |