CH457394A - Verfahren zum Reinigen von Benzoesäure - Google Patents

Verfahren zum Reinigen von Benzoesäure

Info

Publication number
CH457394A
CH457394A CH462865A CH462865A CH457394A CH 457394 A CH457394 A CH 457394A CH 462865 A CH462865 A CH 462865A CH 462865 A CH462865 A CH 462865A CH 457394 A CH457394 A CH 457394A
Authority
CH
Switzerland
Prior art keywords
benzoic acid
purifying benzoic
purifying
acid
benzoic
Prior art date
Application number
CH462865A
Other languages
English (en)
Inventor
Osborn Jr Ashcraft Jacob
Oscar Winstrom Leon
Joseph Duggan Raymond
Chul Park Jong
Original Assignee
Allied Chem
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 by Allied Chem filed Critical Allied Chem
Publication of CH457394A publication Critical patent/CH457394A/de

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
    • C07C51/36—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by hydrogenation of carbon-to-carbon unsaturated bonds
    • 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
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C07C51/44—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation
    • C07C51/445—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation by distillation by steam distillation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
CH462865A 1964-04-03 1965-04-02 Verfahren zum Reinigen von Benzoesäure CH457394A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US357306A US3321382A (en) 1964-04-03 1964-04-03 Process of distilling benzoic acid with steam above 200 deg. c.

Publications (1)

Publication Number Publication Date
CH457394A true CH457394A (de) 1968-06-15

Family

ID=23405072

Family Applications (1)

Application Number Title Priority Date Filing Date
CH462865A CH457394A (de) 1964-04-03 1965-04-02 Verfahren zum Reinigen von Benzoesäure

Country Status (8)

Country Link
US (1) US3321382A (de)
BE (1) BE662024A (de)
CH (1) CH457394A (de)
DE (1) DE1518477A1 (de)
ES (1) ES311370A1 (de)
GB (1) GB1028489A (de)
IL (1) IL23278A (de)
NL (1) NL6504252A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1197921A (en) * 1967-02-22 1970-07-08 Ici Ltd Process for the Purification of Mixtures of Dibasic Carboxylic Acids

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3235588A (en) * 1966-02-15 Purification of benzoic acid
US1686913A (en) * 1927-10-18 1928-10-09 Selden Co Purification of benzoic acid and its derivatives
US2252117A (en) * 1930-06-16 1941-08-12 Monsanto Chemicals Benzoic acid purification
US2317455A (en) * 1940-06-27 1943-04-27 Du Pont Purifying benzoic acid
US3210416A (en) * 1960-09-22 1965-10-05 Standard Oil Co Manufacture of benzoic acid from toluene
NL275616A (de) * 1961-03-07
US3141036A (en) * 1961-07-27 1964-07-14 Allied Chem Cyclohexane carboxylic acid produced by hydrogenation of molten benzoic acid

Also Published As

Publication number Publication date
IL23278A (en) 1968-09-26
DE1518477A1 (de) 1969-02-20
US3321382A (en) 1967-05-23
BE662024A (de) 1965-08-02
NL6504252A (de) 1965-10-04
GB1028489A (en) 1966-05-04
ES311370A1 (es) 1965-07-16

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