JPS4949915A - - Google Patents
Info
- Publication number
- JPS4949915A JPS4949915A JP7324873A JP7324873A JPS4949915A JP S4949915 A JPS4949915 A JP S4949915A JP 7324873 A JP7324873 A JP 7324873A JP 7324873 A JP7324873 A JP 7324873A JP S4949915 A JPS4949915 A JP S4949915A
- 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
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
- C07C51/353—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by isomerisation; by change of size of the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/42—Separation; Purification; Stabilisation; Use of additives
- C07C51/47—Separation; Purification; Stabilisation; Use of additives by solid-liquid treatment; by chemisorption
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722231629 DE2231629B2 (de) | 1972-06-28 | 1972-06-28 | Verfahren zur Gewinnung von reiner Fumarsäure aus wäßrigen Rohfumarsäurelösungen |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4949915A true JPS4949915A (de) | 1974-05-15 |
Family
ID=5849067
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7324873A Pending JPS4949915A (de) | 1972-06-28 | 1973-06-28 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS4949915A (de) |
BE (1) | BE801370A (de) |
DE (1) | DE2231629B2 (de) |
FR (1) | FR2190795B1 (de) |
GB (1) | GB1431837A (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4883735B1 (ja) * | 2011-07-13 | 2012-02-22 | 儀夫 西岡 | スピーカシステム用の拡散器の製造方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112717911B (zh) * | 2019-10-14 | 2023-07-14 | 中国石油化工股份有限公司 | 一种用于制备富马酸的固体催化剂及其制备方法和应用 |
-
1972
- 1972-06-28 DE DE19722231629 patent/DE2231629B2/de active Pending
-
1973
- 1973-06-25 BE BE132656A patent/BE801370A/xx unknown
- 1973-06-27 GB GB3045173A patent/GB1431837A/en not_active Expired
- 1973-06-27 FR FR7323461A patent/FR2190795B1/fr not_active Expired
- 1973-06-28 JP JP7324873A patent/JPS4949915A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4883735B1 (ja) * | 2011-07-13 | 2012-02-22 | 儀夫 西岡 | スピーカシステム用の拡散器の製造方法 |
Also Published As
Publication number | Publication date |
---|---|
FR2190795A1 (de) | 1974-02-01 |
GB1431837A (en) | 1976-04-14 |
BE801370A (fr) | 1973-10-15 |
DE2231629A1 (de) | 1974-01-31 |
FR2190795B1 (de) | 1977-02-18 |
DE2231629B2 (de) | 1975-06-26 |