GB2061939B - Process for purifying n,n-dialkylaminoethanols - Google Patents
Process for purifying n,n-dialkylaminoethanolsInfo
- Publication number
- GB2061939B GB2061939B GB8034558A GB8034558A GB2061939B GB 2061939 B GB2061939 B GB 2061939B GB 8034558 A GB8034558 A GB 8034558A GB 8034558 A GB8034558 A GB 8034558A GB 2061939 B GB2061939 B GB 2061939B
- Authority
- GB
- United Kingdom
- Prior art keywords
- dialkylaminoethanols
- purifying
- 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
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C213/00—Preparation of compounds containing amino and hydroxy, amino and etherified hydroxy or amino and esterified hydroxy groups bound to the same carbon skeleton
- C07C213/10—Separation; Purification; Stabilisation; Use of additives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7926988A FR2468579A1 (fr) | 1979-10-31 | 1979-10-31 | Procede de purification des n,n,dialkylaminoethanols |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2061939A GB2061939A (en) | 1981-05-20 |
GB2061939B true GB2061939B (en) | 1984-05-02 |
Family
ID=9231222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8034558A Expired GB2061939B (en) | 1979-10-31 | 1980-10-27 | Process for purifying n,n-dialkylaminoethanols |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE885795A (fr) |
DE (1) | DE3040732C2 (fr) |
FR (1) | FR2468579A1 (fr) |
GB (1) | GB2061939B (fr) |
SE (1) | SE447990B (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5424482A (en) * | 1991-08-08 | 1995-06-13 | Elf Atochem N.A., Inc. | Process for preparing color-stable tertiary butyldiethanolamine |
US8791302B2 (en) | 2010-12-17 | 2014-07-29 | Basf Se | Process for preparing an N,N-dialky-ethanolamine having high color stability |
WO2012080409A1 (fr) | 2010-12-17 | 2012-06-21 | Basf Se | Procédé de préparation d'une n,n-dialkyl-éthanolamine présentant une grande stabilité de la couleur |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3151166A (en) * | 1960-09-12 | 1964-09-29 | Jefferson Chem Co Inc | Method for preparing color stable ethanolamines |
US3131132A (en) * | 1962-06-06 | 1964-04-28 | Jefferson Chem Co Inc | Purification of dimethylaminoethanol by acid treatment and distillation |
US3686279A (en) * | 1964-07-09 | 1972-08-22 | Giffin D Jones | 2-methylene-3-butenyl sulfonium salts useful as monomers |
US3567779A (en) * | 1967-11-20 | 1971-03-02 | Jefferson Chem Co Inc | Color stabilized dimethylethanolamine |
JPS51146406A (en) * | 1975-06-11 | 1976-12-16 | Sanyo Chem Ind Ltd | Purification of aminoalcohols |
-
1979
- 1979-10-31 FR FR7926988A patent/FR2468579A1/fr active Granted
-
1980
- 1980-10-20 BE BE0/202529A patent/BE885795A/fr not_active IP Right Cessation
- 1980-10-22 SE SE8007424A patent/SE447990B/sv not_active IP Right Cessation
- 1980-10-27 GB GB8034558A patent/GB2061939B/en not_active Expired
- 1980-10-29 DE DE19803040732 patent/DE3040732C2/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2468579A1 (fr) | 1981-05-08 |
DE3040732C2 (de) | 1986-05-22 |
BE885795A (fr) | 1981-04-21 |
DE3040732A1 (de) | 1981-05-27 |
GB2061939A (en) | 1981-05-20 |
SE8007424L (sv) | 1981-05-01 |
FR2468579B1 (fr) | 1984-02-10 |
SE447990B (sv) | 1987-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19931027 |