CA1178288A - Preparation de polyols x fois anhydres, consistant en melanges de polyols - Google Patents
Preparation de polyols x fois anhydres, consistant en melanges de polyolsInfo
- Publication number
- CA1178288A CA1178288A CA000402491A CA402491A CA1178288A CA 1178288 A CA1178288 A CA 1178288A CA 000402491 A CA000402491 A CA 000402491A CA 402491 A CA402491 A CA 402491A CA 1178288 A CA1178288 A CA 1178288A
- Authority
- CA
- Canada
- Prior art keywords
- reaction
- polyol
- polyols
- water
- sorbitol
- 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
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000402491A CA1178288A (fr) | 1982-05-07 | 1982-05-07 | Preparation de polyols x fois anhydres, consistant en melanges de polyols |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000402491A CA1178288A (fr) | 1982-05-07 | 1982-05-07 | Preparation de polyols x fois anhydres, consistant en melanges de polyols |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1178288A true CA1178288A (fr) | 1984-11-20 |
Family
ID=4122730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000402491A Expired CA1178288A (fr) | 1982-05-07 | 1982-05-07 | Preparation de polyols x fois anhydres, consistant en melanges de polyols |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1178288A (fr) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6407266B2 (en) | 2000-05-26 | 2002-06-18 | E. I. Du Pont De Nemours And Company | Continuous process for the manufacture of anhydro sugar alcohols and reactor useful therefor |
US7615652B2 (en) | 2006-01-26 | 2009-11-10 | Battelle Memorial Institute | Two-stage dehydration of sugars |
US7649099B2 (en) | 2006-01-26 | 2010-01-19 | Battelle Memorial Institute | Method of forming a dianhydrosugar alcohol |
US7728156B2 (en) | 2006-01-26 | 2010-06-01 | Battelle Memorial Institute | Method of performing sugar dehydration and catalyst treatment |
US7772412B2 (en) | 2006-01-26 | 2010-08-10 | Battelle Memorial Institute | Methods for dehydration of sugars and sugar alcohols |
US8008477B2 (en) | 2001-11-20 | 2011-08-30 | Roquette Freres | Method for preparing a composition containing at least one internal dehydration product for a hydrogenated sugar |
US9598325B2 (en) | 2013-05-02 | 2017-03-21 | Roquette Freres | Method for stabilizing a composition containing at least one product of internal dehydration of a hydrogenated sugar, resulting composition and uses thereof |
WO2017158303A1 (fr) | 2016-03-16 | 2017-09-21 | Roquette Freres | Procede de fabrication de dianhydrohexitol avec une etape de distillation sur un evaporateur a couche mince |
US10526340B2 (en) | 2016-04-25 | 2020-01-07 | Roquette Freres | Process for manufacturing dianhydrohexitol crystals with a step of evaporative crystallization of the first crystallization mother liquors |
WO2023006250A1 (fr) | 2021-07-28 | 2023-02-02 | Roquette Freres | Composition de dianhydrohexitols stables a l'oxydation et contenant un ester d'acide gallique |
-
1982
- 1982-05-07 CA CA000402491A patent/CA1178288A/fr not_active Expired
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6407266B2 (en) | 2000-05-26 | 2002-06-18 | E. I. Du Pont De Nemours And Company | Continuous process for the manufacture of anhydro sugar alcohols and reactor useful therefor |
US8008477B2 (en) | 2001-11-20 | 2011-08-30 | Roquette Freres | Method for preparing a composition containing at least one internal dehydration product for a hydrogenated sugar |
US7615652B2 (en) | 2006-01-26 | 2009-11-10 | Battelle Memorial Institute | Two-stage dehydration of sugars |
US7649099B2 (en) | 2006-01-26 | 2010-01-19 | Battelle Memorial Institute | Method of forming a dianhydrosugar alcohol |
US7728156B2 (en) | 2006-01-26 | 2010-06-01 | Battelle Memorial Institute | Method of performing sugar dehydration and catalyst treatment |
US7772412B2 (en) | 2006-01-26 | 2010-08-10 | Battelle Memorial Institute | Methods for dehydration of sugars and sugar alcohols |
US9598325B2 (en) | 2013-05-02 | 2017-03-21 | Roquette Freres | Method for stabilizing a composition containing at least one product of internal dehydration of a hydrogenated sugar, resulting composition and uses thereof |
WO2017158303A1 (fr) | 2016-03-16 | 2017-09-21 | Roquette Freres | Procede de fabrication de dianhydrohexitol avec une etape de distillation sur un evaporateur a couche mince |
US10533017B2 (en) | 2016-03-16 | 2020-01-14 | Roquette Freres | Method for producing dianhydrohexitol with a step of distillation on a thin-film evaporator |
EP4219505A1 (fr) | 2016-03-16 | 2023-08-02 | Roquette Freres | Procede de fabrication de dianhydrohexitol avec une etape de distillation sur un evaporateur a couche mince |
US10526340B2 (en) | 2016-04-25 | 2020-01-07 | Roquette Freres | Process for manufacturing dianhydrohexitol crystals with a step of evaporative crystallization of the first crystallization mother liquors |
WO2023006250A1 (fr) | 2021-07-28 | 2023-02-02 | Roquette Freres | Composition de dianhydrohexitols stables a l'oxydation et contenant un ester d'acide gallique |
FR3125684A1 (fr) | 2021-07-28 | 2023-02-03 | Roquette Freres | Composition de dinahydrohexitols stables a l’oxydation et contenant un ester d’acide gallique |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEC | Expiry (correction) | ||
MKEX | Expiry |