SE8005401L - Forfarande for rening av pentaerytrit - Google Patents
Forfarande for rening av pentaerytritInfo
- Publication number
- SE8005401L SE8005401L SE8005401A SE8005401A SE8005401L SE 8005401 L SE8005401 L SE 8005401L SE 8005401 A SE8005401 A SE 8005401A SE 8005401 A SE8005401 A SE 8005401A SE 8005401 L SE8005401 L SE 8005401L
- Authority
- SE
- Sweden
- Prior art keywords
- pentaeritrit
- cleaning
- procedure
- pentaerythritol
- freed
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19792930345 DE2930345A1 (de) | 1979-07-26 | 1979-07-26 | Verfahren zur reinigung von pentaerythrit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE8005401L true SE8005401L (sv) | 1981-01-27 |
Family
ID=6076844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8005401A SE8005401L (sv) | 1979-07-26 | 1980-07-25 | Forfarande for rening av pentaerytrit |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4329519A (sv) |
| JP (1) | JPS5620530A (sv) |
| CA (1) | CA1133019A (sv) |
| DE (1) | DE2930345A1 (sv) |
| ES (1) | ES492214A0 (sv) |
| FR (1) | FR2462408A1 (sv) |
| GB (1) | GB2054576B (sv) |
| IT (1) | IT8049291A0 (sv) |
| SE (1) | SE8005401L (sv) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101291907A (zh) * | 2005-10-31 | 2008-10-22 | 三井化学株式会社 | 季戊四醇巯基羧酸酯的制备方法、由该方法得到的季戊四醇巯基羧酸酯及其用途 |
| US20090281269A1 (en) * | 2006-04-21 | 2009-11-12 | Mitsui Chemicals, Inc. | Process for producing pentaerythritol mercaptocarboxylic esters and polymerizable compositions containing the esters |
| CN107614487B (zh) | 2015-06-24 | 2019-12-20 | 三井化学株式会社 | 季戊四醇巯基羧酸酯的制造方法、聚合性组合物、树脂、光学材料及透镜 |
| CN111592478B (zh) * | 2020-05-21 | 2021-07-27 | 山东益丰生化环保股份有限公司 | 一种降低季戊四醇酯色度的方法 |
| CN115806473B (zh) * | 2022-12-08 | 2023-09-12 | 赤峰瑞阳化工有限公司 | 一种去除季戊四醇缩甲醛大分子杂质的方法 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA713611A (en) * | 1965-07-13 | O. Meissner Fritz | Process for the cleavage of acetals | |
| CA684683A (en) * | 1964-04-21 | R.M. Gibb Alexander | Manufacture of pentaerythritol or derivatives thereof | |
| US2270839A (en) * | 1940-09-04 | 1942-01-20 | Trojan Powder Co | Purification of pentaerythritol |
| US2358697A (en) * | 1942-12-10 | 1944-09-19 | Du Pont | Purification of pentaerythritol |
| FR1080442A (fr) * | 1951-02-28 | 1954-12-09 | Degussa | Procédé pour le traitement de solutions de pentaérythrite |
| US2806069A (en) * | 1955-04-14 | 1957-09-10 | Heyden Newport Chemical Corp | Decolorization of pentaerythritol |
| US2939887A (en) * | 1957-10-03 | 1960-06-07 | Hercules Powder Co Ltd | Conversion of pentaerythritol formals into pentaerythritol |
| FR1349535A (fr) * | 1963-01-17 | 1964-01-17 | Meissner Fa Josef | Procédé de scission des acétals |
| JPS516910A (en) * | 1974-07-05 | 1976-01-20 | Mitsui Toatsu Chemicals | Pentaerisuritooruno seizohoho |
-
1979
- 1979-07-26 DE DE19792930345 patent/DE2930345A1/de not_active Withdrawn
-
1980
- 1980-05-20 FR FR8011283A patent/FR2462408A1/fr not_active Withdrawn
- 1980-06-06 ES ES492214A patent/ES492214A0/es active Granted
- 1980-07-03 GB GB8021878A patent/GB2054576B/en not_active Expired
- 1980-07-04 CA CA355,454A patent/CA1133019A/en not_active Expired
- 1980-07-21 IT IT8049291A patent/IT8049291A0/it unknown
- 1980-07-24 JP JP10061580A patent/JPS5620530A/ja active Pending
- 1980-07-25 SE SE8005401A patent/SE8005401L/sv not_active Application Discontinuation
- 1980-07-25 US US06/172,445 patent/US4329519A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB2054576B (en) | 1983-04-07 |
| FR2462408A1 (fr) | 1981-02-13 |
| CA1133019A (en) | 1982-10-05 |
| GB2054576A (en) | 1981-02-18 |
| ES8201114A1 (es) | 1981-11-01 |
| ES492214A0 (es) | 1981-11-01 |
| US4329519A (en) | 1982-05-11 |
| DE2930345A1 (de) | 1981-02-19 |
| IT8049291A0 (it) | 1980-07-21 |
| JPS5620530A (en) | 1981-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| SE7708302L (sv) | Sett att utvinna xylan och fibermaterial ur xylanhaltiga vegetabiliska ramaterial | |
| FI830286A0 (fi) | Vaermekaenslig troestnapp och foerfarande foer framstaellning av denna | |
| BE873512A (fr) | Procede de preparation de composes alpha-hydroxyles | |
| BG30474A3 (en) | Method for obtaining of 6- propyl- 8- methoxymethyl- or- methylmercaptomethylergolin and simular compounds | |
| DE2967090D1 (en) | Process for the manufacture of field-effect transistors | |
| ZA796290B (en) | Heat balanced cyclic process for manufacture of light olefins | |
| BE872336A (fr) | Procede d'elimination des sucres flatulents de soja | |
| BE874420A (fr) | Procede de production de compositions detergentes | |
| ZA794299B (en) | Process for the stereoselective synthesis of the e isomer of aryl alkyl oximes | |
| SE8005401L (sv) | Forfarande for rening av pentaerytrit | |
| OA05346A (fr) | Procédé de préparation de composés hétérocycliques substitués par des groupes acylamino. | |
| SE7902285L (sv) | Forfarande for framstellning av ett isolerande eldfast material | |
| JPS54137001A (en) | Sealing apparatus for chamber particularly for cooling chamber of dry coke colling apparatus | |
| FR1256701A (fr) | Procédé de préparation de composés amidophosphoryliques et l'application de ces composés à la lutte contre les organismes nuisibles | |
| OA06274A (fr) | Procédé de préparation de nouveaux composés de type muramyl-péptide. | |
| BE876210A (fr) | Procede de production de compositions detergentes | |
| GB769898A (en) | Improvements in or relating to processes for the separation of a mixture of phases | |
| SE7902251L (sv) | Forfarande for framstellning av ol | |
| FR1180898A (fr) | Procédé pour l'évacuation de la chaleur de réaction | |
| SE8100298L (sv) | Forfarande for disproportionering av kolofonium | |
| OA06355A (fr) | Procédé de préparation de 3-exométhylènecépham-sulfoxydes. | |
| DK247279A (da) | Fremgangsmaade til fremstilling af carbazolderivater | |
| JPS55101757A (en) | Heater for raising temperature of mixture | |
| SE7802393L (sv) | Forfarande for framstellning av konstharts ur avfallsprodukter | |
| ATE12391T1 (de) | Verfahren zur herstellung von tetronsaeure. |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 8005401-8 Format of ref document f/p: F |