IT8049291A0 - Procedimento per la depurazione di pentaeritritolo - Google Patents
Procedimento per la depurazione di pentaeritritoloInfo
- Publication number
- IT8049291A0 IT8049291A0 IT8049291A IT4929180A IT8049291A0 IT 8049291 A0 IT8049291 A0 IT 8049291A0 IT 8049291 A IT8049291 A IT 8049291A IT 4929180 A IT4929180 A IT 4929180A IT 8049291 A0 IT8049291 A0 IT 8049291A0
- Authority
- IT
- Italy
- Prior art keywords
- pentaerythritol
- purification
- procedure
- Prior art date
Links
- 238000000034 method Methods 0.000 title 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 title 1
- 238000000746 purification Methods 0.000 title 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 |
---|---|
IT8049291A0 true IT8049291A0 (it) | 1980-07-21 |
Family
ID=6076844
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT8049291A IT8049291A0 (it) | 1979-07-26 | 1980-07-21 | Procedimento per la depurazione di pentaeritritolo |
Country Status (9)
Country | Link |
---|---|
US (1) | US4329519A (it) |
JP (1) | JPS5620530A (it) |
CA (1) | CA1133019A (it) |
DE (1) | DE2930345A1 (it) |
ES (1) | ES492214A0 (it) |
FR (1) | FR2462408A1 (it) |
GB (1) | GB2054576B (it) |
IT (1) | IT8049291A0 (it) |
SE (1) | SE8005401L (it) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2007052329A1 (ja) * | 2005-10-31 | 2009-04-30 | 三井化学株式会社 | ペンタエリスリトールメルカプトカルボン酸エステルの製造方法、それにより得られたペンタエリスリトールメルカプトカルボン酸エステル、およびその用途 |
EP2899181A1 (en) | 2006-04-21 | 2015-07-29 | Mitsui Chemicals, Inc. | Process for producing pentaerythritol mercaptocarboxylic esters and polymerizable compositions containing the esters |
WO2016208707A1 (ja) | 2015-06-24 | 2016-12-29 | 三井化学株式会社 | ペンタエリスリトールメルカプトカルボン酸エステルの製造方法、重合性組成物、樹脂、光学材料およびレンズ |
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 |
---|---|---|---|---|
CA684683A (en) * | 1964-04-21 | R.M. Gibb Alexander | Manufacture of pentaerythritol or derivatives thereof | |
CA713611A (en) * | 1965-07-13 | O. Meissner Fritz | Process for the cleavage of acetals | |
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 US US06/172,445 patent/US4329519A/en not_active Expired - Lifetime
- 1980-07-25 SE SE8005401A patent/SE8005401L/ not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
ES8201114A1 (es) | 1981-11-01 |
GB2054576A (en) | 1981-02-18 |
FR2462408A1 (fr) | 1981-02-13 |
US4329519A (en) | 1982-05-11 |
JPS5620530A (en) | 1981-02-26 |
ES492214A0 (es) | 1981-11-01 |
GB2054576B (en) | 1983-04-07 |
DE2930345A1 (de) | 1981-02-19 |
SE8005401L (sv) | 1981-01-27 |
CA1133019A (en) | 1982-10-05 |
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