JPS526979B1 - - Google Patents
Info
- Publication number
- JPS526979B1 JPS526979B1 JP3203670A JP3203670A JPS526979B1 JP S526979 B1 JPS526979 B1 JP S526979B1 JP 3203670 A JP3203670 A JP 3203670A JP 3203670 A JP3203670 A JP 3203670A JP S526979 B1 JPS526979 B1 JP S526979B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D7/00—Sublimation
- B01D7/02—Crystallisation directly from the vapour phase
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/685—Processes comprising at least two steps in series
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C37/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom of a six-membered aromatic ring
- C07C37/68—Purification; separation; Use of additives, e.g. for stabilisation
- C07C37/70—Purification; separation; Use of additives, e.g. for stabilisation by physical treatment
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US81664269A | 1969-04-16 | 1969-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS526979B1 true JPS526979B1 (enrdf_load_html_response) | 1977-02-26 |
Family
ID=25221235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3203670A Pending JPS526979B1 (enrdf_load_html_response) | 1969-04-16 | 1970-04-16 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS526979B1 (enrdf_load_html_response) |
| DE (1) | DE2018047B2 (enrdf_load_html_response) |
| FR (1) | FR2043368A5 (enrdf_load_html_response) |
| GB (1) | GB1275232A (enrdf_load_html_response) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2903098B1 (fr) * | 2006-06-29 | 2012-08-03 | Rhodia Recherches & Tech | Nouvelle forme d'hydroquinone et son procede d'obtention |
| CN106748702B (zh) * | 2017-01-17 | 2023-09-01 | 湖北开元化工科技股份有限公司 | 一种升华法生产对苯醌的设备 |
| CN109107213A (zh) * | 2018-10-24 | 2019-01-01 | 爱发科真空技术（沈阳）有限公司 | 一种升华结构与凝固回收装置的结合结构 |
| CN111530118B (zh) * | 2020-05-21 | 2021-12-10 | 郑州大学 | 一种超高真空设备 |
| CN112742061A (zh) * | 2020-12-11 | 2021-05-04 | 安徽金禾实业股份有限公司 | 麦芽酚升华工段的冷却装置及冷却方法 |
-
1970
- 1970-04-15 DE DE19702018047 patent/DE2018047B2/de active Granted
- 1970-04-15 GB GB1802570D patent/GB1275232A/en not_active Expired
- 1970-04-15 FR FR7013559A patent/FR2043368A5/fr not_active Expired
- 1970-04-16 JP JP3203670A patent/JPS526979B1/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE2018047A1 (de) | 1970-10-22 |
| FR2043368A5 (enrdf_load_html_response) | 1971-02-12 |
| GB1275232A (en) | 1972-05-24 |
| DE2018047B2 (de) | 1973-06-20 |
| DE2018047C3 (enrdf_load_html_response) | 1974-02-07 |