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
Application number
JP7324873A
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS4949915A publication Critical patent/JPS4949915A/ja
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/353Preparation 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
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/42Separation; Purification; Stabilisation; Use of additives
    • C07C51/47Separation; 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)
JP7324873A 1972-06-28 1973-06-28 Pending JPS4949915A (de)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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

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