IT502489A - - Google Patents
Info
- Publication number
- IT502489A IT502489A IT502489DA IT502489A IT 502489 A IT502489 A IT 502489A IT 502489D A IT502489D A IT 502489DA IT 502489 A IT502489 A IT 502489A
- Authority
- IT
- Italy
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C31/00—Saturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C31/18—Polyhydroxylic acyclic alcohols
- C07C31/24—Tetrahydroxylic alcohols, e.g. pentaerythritol
- C07C31/245—Pentaerythritol
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE316737X | 1952-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT502489A true IT502489A (en:Method) |
Family
ID=6150563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT502489D IT502489A (en:Method) | 1952-07-03 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US2790011A (en:Method) |
| BE (1) | BE520884A (en:Method) |
| CA (1) | CA552628A (en:Method) |
| CH (1) | CH316737A (en:Method) |
| FR (1) | FR1079496A (en:Method) |
| GB (1) | GB732015A (en:Method) |
| IT (1) | IT502489A (en:Method) |
| NL (1) | NL179261B (en:Method) |
| NO (1) | NO89038A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2863930A (en) * | 1956-02-28 | 1958-12-09 | American Cyanamid Co | Alkylation of ditolylalkanes |
| US4277620A (en) * | 1980-02-29 | 1981-07-07 | Virginia Chemicals Inc. | Byproduct recovery from a pentaerythritol waste stream |
| CN100368371C (zh) * | 2005-09-29 | 2008-02-13 | 濮阳市鹏鑫化工有限公司 | 制备甲酸钙的方法 |
| RU2402519C2 (ru) * | 2008-12-30 | 2010-10-27 | Открытое акционерное общество "МЕТАФРАКС" | Способ получения пентаэритрита и дипентаэритрита |
| CN104496757B (zh) * | 2014-12-24 | 2016-02-24 | 保定市国秀化工有限责任公司 | 提高钙法季戊四醇副产物甲酸钙质量的方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE23584E (en) * | 1952-11-18 | Manufacture of pentaerythritol | ||
| GB535399A (en) * | 1938-10-17 | 1941-04-08 | Lonza Ag | A process for the production of pentaerythrite |
| US2441944A (en) * | 1943-04-24 | 1948-05-18 | Heyden Chemical Corp | Production of polypentaerythritols |
| US2441602A (en) * | 1943-11-23 | 1948-05-18 | Heyden Chemical Corp | Recovery of products from pentaerythritol process waste liquors |
| US2420497A (en) * | 1943-12-07 | 1947-05-13 | Heyden Chemical Corp | Processes for the purification of tripentaerythritol |
| US2696507A (en) * | 1952-01-21 | 1954-12-07 | Heyden Chemical Corp | Pentaerythritol crystallization process |
-
0
- NO NO89038D patent/NO89038A/no unknown
- IT IT502489D patent/IT502489A/it unknown
- NL NLAANVRAGE8002977,A patent/NL179261B/xx unknown
- CA CA552628A patent/CA552628A/en not_active Expired
- BE BE520884D patent/BE520884A/xx unknown
-
1953
- 1953-06-19 US US362949A patent/US2790011A/en not_active Expired - Lifetime
- 1953-06-22 FR FR1079496D patent/FR1079496A/fr not_active Expired
- 1953-06-29 GB GB18002/53A patent/GB732015A/en not_active Expired
- 1953-07-02 CH CH316737D patent/CH316737A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE520884A (en:Method) | |
| NL179261B (nl) | |
| US2790011A (en) | 1957-04-23 |
| CH316737A (de) | 1956-10-31 |
| CA552628A (en) | 1958-02-04 |
| NO89038A (en:Method) | |
| GB732015A (en) | 1955-06-15 |
| FR1079496A (fr) | 1954-11-30 |