LU73661A1 - - Google Patents
Info
- Publication number
- LU73661A1 LU73661A1 LU73661A LU73661A LU73661A1 LU 73661 A1 LU73661 A1 LU 73661A1 LU 73661 A LU73661 A LU 73661A LU 73661 A LU73661 A LU 73661A LU 73661 A1 LU73661 A1 LU 73661A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/80—Separation; Purification; Stabilisation; Use of additives by liquid-liquid treatment
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/61—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
- C07C45/67—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
- C07C45/68—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
- C07C45/72—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
- C07C45/75—Reactions with formaldehyde
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7436346A FR2289478A1 (fr) | 1974-10-30 | 1974-10-30 | Procede de preparation d'hydroxypivaldehyde |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU73661A1 true LU73661A1 (da) | 1976-06-11 |
Family
ID=9144569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU73661A LU73661A1 (da) | 1974-10-30 | 1975-10-28 |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US4036888A (da) |
| JP (1) | JPS5168514A (da) |
| BE (1) | BE834595A (da) |
| CA (1) | CA1030556A (da) |
| DE (1) | DE2547540A1 (da) |
| DK (1) | DK487275A (da) |
| FR (1) | FR2289478A1 (da) |
| GB (1) | GB1463266A (da) |
| IE (1) | IE42020B1 (da) |
| IT (1) | IT1048340B (da) |
| LU (1) | LU73661A1 (da) |
| NL (1) | NL7512759A (da) |
Families Citing this family (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3321517A1 (de) * | 1983-06-15 | 1984-12-20 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von aldolen |
| JPH0629206B2 (ja) * | 1984-07-06 | 1994-04-20 | 三菱瓦斯化学株式会社 | 高純度ヒドロキシピバルアルデヒドの製造方法 |
| DE3638168A1 (de) * | 1986-11-08 | 1988-05-19 | Huels Chemische Werke Ag | Verfahren zur reduzierung des salzgehaltes von rohem hydroxipivalinaldehyd |
| US4855515A (en) * | 1987-08-12 | 1989-08-08 | Eastman Kodak Company | Process for the production of neopentyl glycol |
| US4851592A (en) * | 1987-10-27 | 1989-07-25 | Eastman Kodak Company | Triethylamine catalyzed neopentyl glycol production utilizing a gas sparged reactor |
| DE19963445A1 (de) | 1999-12-28 | 2001-07-05 | Basf Ag | Verfahren zur Abtrennung von Formaldehyd aus polyolhaltigen Reaktionsgemischen unter Zusatz von Lösungsmitteln |
| DE10237746A1 (de) * | 2002-08-17 | 2004-03-11 | Basf Ag | Verfahren zum destillativen Abtrennen von Formaldehyd aus polyolhaltigen Reaktionsgemischen unter Zusatz von Lösungsmitteln |
| JP4867133B2 (ja) * | 2004-02-25 | 2012-02-01 | 三菱瓦斯化学株式会社 | ヒドロキシピバルアルデヒドの安定化方法 |
| JP5070752B2 (ja) * | 2005-08-08 | 2012-11-14 | 三菱瓦斯化学株式会社 | 高純度ヒドロキシピバルアルデヒドおよび／またはその二量体の製造方法 |
| SG130108A1 (en) * | 2005-08-08 | 2007-03-20 | Mitsubishi Gas Chemical Co | Method of producing high-purity hydroxypivalaldehyde and/or dimer thereof |
| WO2012118196A1 (ja) | 2011-03-03 | 2012-09-07 | 三菱瓦斯化学株式会社 | ３－ヒドロキシ－２，２－ジメチルプロパナール水溶液の濃縮方法 |
| US20120271029A1 (en) * | 2011-04-19 | 2012-10-25 | Basf Se | Process for preparing neopentyl glycol |
| WO2012143309A1 (de) | 2011-04-19 | 2012-10-26 | Basf Se | Verfahren zur herstellung von neopentylglykol |
| CN102816070B (zh) * | 2011-06-10 | 2014-08-06 | 中国石油化工股份有限公司 | 一种有机磷酸酯合成中三乙胺及甲苯的回收方法 |
| US20130053534A1 (en) * | 2011-08-23 | 2013-02-28 | Basf Se | Process for preparing neopentyl glycol |
| US9056824B2 (en) * | 2013-01-31 | 2015-06-16 | Eastman Chemical Company | Preparation of hydroxy aldehydes |
| US8710278B1 (en) | 2013-01-31 | 2014-04-29 | Eastman Chemical Company | Process for producing polyols |
| US10336672B2 (en) | 2014-08-04 | 2019-07-02 | ClearWaterBay Technology, Inc. | System and method for producing neopentyl glycol |
| CN108463451B (zh) * | 2016-01-07 | 2021-08-13 | 三菱瓦斯化学株式会社 | 羟基新戊醛的制造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2863878A (en) * | 1954-05-27 | 1958-12-09 | Union Carbide Corp | Synthesis of alpha-alpha-dimethyl-beta-hydroxy-propionaldehyde and alpha-hydroxy-beta-beta-dimethyl-gamma-butyrolactone |
| RO55309A (da) * | 1968-04-24 | 1973-07-20 | ||
| US3865850A (en) * | 1970-01-28 | 1975-02-11 | Basf Ag | 2-Hydroxy-3,3-dimethyl-4-oxotetrahydrofuran production |
| DE2105922C3 (de) * | 1971-02-09 | 1974-08-08 | Institut Organitscheskoj Chimii Akademii Nauk Kirgisskoj Ssr, Frunse (Sowjetunion) | Verfahren zur Herstellung von Aldehydalkoholen und Ketonalkoholen |
-
1974
- 1974-10-30 FR FR7436346A patent/FR2289478A1/fr active Granted
-
1975
- 1975-10-13 IE IE2222/75A patent/IE42020B1/en unknown
- 1975-10-13 GB GB4178475A patent/GB1463266A/en not_active Expired
- 1975-10-17 CA CA239,951A patent/CA1030556A/en not_active Expired
- 1975-10-17 BE BE2054626A patent/BE834595A/xx unknown
- 1975-10-23 DE DE19752547540 patent/DE2547540A1/de not_active Withdrawn
- 1975-10-23 US US05/625,074 patent/US4036888A/en not_active Expired - Lifetime
- 1975-10-24 IT IT51922/75A patent/IT1048340B/it active
- 1975-10-28 LU LU73661A patent/LU73661A1/xx unknown
- 1975-10-29 DK DK487275A patent/DK487275A/da not_active Application Discontinuation
- 1975-10-30 NL NL7512759A patent/NL7512759A/xx not_active Application Discontinuation
- 1975-10-30 JP JP50131356A patent/JPS5168514A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| BE834595A (fr) | 1976-02-16 |
| US4036888A (en) | 1977-07-19 |
| CA1030556A (en) | 1978-05-02 |
| FR2289478A1 (fr) | 1976-05-28 |
| DK487275A (da) | 1976-05-01 |
| IE42020B1 (en) | 1980-05-21 |
| GB1463266A (en) | 1977-02-02 |
| NL7512759A (nl) | 1976-05-04 |
| IE42020L (en) | 1976-04-30 |
| DE2547540A1 (de) | 1976-05-13 |
| FR2289478B1 (da) | 1979-07-27 |
| IT1048340B (it) | 1980-11-20 |
| JPS5168514A (da) | 1976-06-14 |