GR3020192T3 - Process for the purification of hydroxypivalyl hydroxypivalate - Google Patents
Process for the purification of hydroxypivalyl hydroxypivalateInfo
- Publication number
- GR3020192T3 GR3020192T3 GR960401558T GR960401558T GR3020192T3 GR 3020192 T3 GR3020192 T3 GR 3020192T3 GR 960401558 T GR960401558 T GR 960401558T GR 960401558 T GR960401558 T GR 960401558T GR 3020192 T3 GR3020192 T3 GR 3020192T3
- Authority
- GR
- Greece
- Prior art keywords
- boiling
- hphp
- purification
- impurities
- hydroxypivalyl hydroxypivalate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/48—Separation; Purification; Stabilisation; Use of additives
- C07C67/52—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C67/54—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)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60427790A | 1990-10-29 | 1990-10-29 | |
US07/743,639 US5209827A (en) | 1990-10-29 | 1991-08-12 | Process for the purification of hydroxypivalyl hydroxypivalate |
PCT/US1991/007855 WO1992007815A1 (en) | 1990-10-29 | 1991-10-28 | Process for the purification of hydroxypivalyl hydroxypivalate |
Publications (1)
Publication Number | Publication Date |
---|---|
GR3020192T3 true GR3020192T3 (en) | 1996-09-30 |
Family
ID=27084628
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GR960401558T GR3020192T3 (en) | 1990-10-29 | 1996-06-12 | Process for the purification of hydroxypivalyl hydroxypivalate |
Country Status (11)
Country | Link |
---|---|
US (1) | US5209827A (el) |
EP (1) | EP0555335B1 (el) |
JP (1) | JPH06507148A (el) |
KR (1) | KR930702268A (el) |
AT (1) | ATE136020T1 (el) |
CA (1) | CA2093004C (el) |
DE (1) | DE69118391T2 (el) |
DK (1) | DK0555335T3 (el) |
ES (1) | ES2085492T3 (el) |
GR (1) | GR3020192T3 (el) |
WO (1) | WO1992007815A1 (el) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4208571A1 (de) * | 1992-03-18 | 1993-09-23 | Basf Ag | Verfahren zur herstellung von hydroxypivalinsaeureneopentylglykolester |
DE19733903A1 (de) * | 1997-08-05 | 1999-02-11 | Basf Ag | Verfahren zur Gewinnung von Hydroxxpivalinsäureneopentylglykolester (HPN) |
JP2001131116A (ja) * | 1999-11-08 | 2001-05-15 | Nippon Shokubai Co Ltd | 易重合性物質含有液の蒸留方法 |
JP2002128738A (ja) * | 2000-10-18 | 2002-05-09 | Toray Ind Inc | 酒石酸低級アルキルジエステルの製造法 |
DE102004012904A1 (de) | 2004-03-17 | 2005-10-06 | Bayer Chemicals Ag | Verfahren zur kontinuierlichen Zerlegung von Stoffgemischen |
CN103467401B (zh) * | 2013-09-18 | 2015-01-07 | 山东潍坊润丰化工股份有限公司 | 莠灭净的生产方法及装置 |
CN109761756A (zh) * | 2019-02-22 | 2019-05-17 | 山东建筑大学 | 提取新戊二醇废液中新戊二醇和季先科酯的工艺 |
CN109796334A (zh) * | 2019-02-24 | 2019-05-24 | 山东建筑大学 | 间歇式从新戊二醇废液中回收季先科酯的工艺 |
CN116178105B (zh) * | 2022-12-08 | 2024-05-14 | 万华化学集团股份有限公司 | 一种催化分解季先科酯提高新戊二醇收率的方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1676675A (en) * | 1922-07-31 | 1928-07-10 | Milon J Trumble | Process of recovering light hydrocarbons from carbonaceous material |
US2520870A (en) * | 1945-04-17 | 1950-08-29 | Laporte Chemical | Purification of hydrogen peroxide |
US3096274A (en) * | 1960-04-21 | 1963-07-02 | Phillips Petroleum Co | Control of stripping still and dephlegmator operation |
SE322204B (el) * | 1964-05-14 | 1970-04-06 | Perstorp Ab | |
AT274743B (de) * | 1967-09-28 | 1969-09-25 | Krems Chemie Gmbh | Verfahren und Vorrichtung zur kontinuierlichen Fraktionierung von Tallöl oder andern organischen Mehrstoffgemischen |
US3697387A (en) * | 1968-05-16 | 1972-10-10 | Buss Ag | Process and device for the purification of a mixture of organic substances of high molecular weight |
US3476656A (en) * | 1968-06-07 | 1969-11-04 | Universal Oil Prod Co | Fractional distillation and recovery of styrene containing sulfur with subsequent bottoms separation |
DE1932420C3 (de) * | 1969-06-26 | 1975-07-03 | Basf Ag, 6700 Ludwigshafen | Verfahren zur Reinigung von 2,2-Dimethyl-1,3-propandlol-mono-hydroxyplvalinsäureester |
JPS5111122B2 (el) * | 1971-09-30 | 1976-04-09 | ||
US3892634A (en) * | 1973-02-20 | 1975-07-01 | Upjohn Co | Separation of 2,4{40 {0 and 4,4{40 {0 methylene bis(phenyl isocyanate) from polymethylene polyphenyl polyisocyanates |
CA1088021A (en) * | 1977-01-18 | 1980-10-21 | Robert J. Coker | Modified process for resin manufacturing using a continuous separate distillation column |
DE3432577A1 (de) * | 1984-09-05 | 1986-03-13 | Basf Ag, 6700 Ludwigshafen | Verfahren zur gewinnung von hydroxypivalinsaeureneopentylglykolester |
US4935555A (en) * | 1988-11-25 | 1990-06-19 | Elias Carole L | Purification of neopentyl glycol |
US5024772A (en) * | 1989-07-10 | 1991-06-18 | Basf Corporation | Method of producing HPN and mixtures thereof |
-
1991
- 1991-08-12 US US07/743,639 patent/US5209827A/en not_active Expired - Lifetime
- 1991-10-28 JP JP3518386A patent/JPH06507148A/ja active Pending
- 1991-10-28 ES ES91920027T patent/ES2085492T3/es not_active Expired - Lifetime
- 1991-10-28 DE DE69118391T patent/DE69118391T2/de not_active Expired - Fee Related
- 1991-10-28 CA CA002093004A patent/CA2093004C/en not_active Expired - Fee Related
- 1991-10-28 WO PCT/US1991/007855 patent/WO1992007815A1/en active IP Right Grant
- 1991-10-28 AT AT91920027T patent/ATE136020T1/de not_active IP Right Cessation
- 1991-10-28 KR KR1019930701276A patent/KR930702268A/ko active IP Right Grant
- 1991-10-28 DK DK91920027.9T patent/DK0555335T3/da active
- 1991-10-28 EP EP91920027A patent/EP0555335B1/en not_active Expired - Lifetime
-
1996
- 1996-06-12 GR GR960401558T patent/GR3020192T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE69118391D1 (de) | 1996-05-02 |
WO1992007815A1 (en) | 1992-05-14 |
ATE136020T1 (de) | 1996-04-15 |
CA2093004A1 (en) | 1993-02-13 |
DK0555335T3 (da) | 1996-04-22 |
EP0555335A1 (en) | 1993-08-18 |
US5209827A (en) | 1993-05-11 |
EP0555335B1 (en) | 1996-03-27 |
CA2093004C (en) | 1996-12-03 |
DE69118391T2 (de) | 1996-08-29 |
KR930702268A (ko) | 1993-09-08 |
JPH06507148A (ja) | 1994-08-11 |
ES2085492T3 (es) | 1996-06-01 |
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