FR2020432A1 - - Google Patents

Info

Publication number
FR2020432A1
FR2020432A1 FR6934822A FR6934822A FR2020432A1 FR 2020432 A1 FR2020432 A1 FR 2020432A1 FR 6934822 A FR6934822 A FR 6934822A FR 6934822 A FR6934822 A FR 6934822A FR 2020432 A1 FR2020432 A1 FR 2020432A1
Authority
FR
France
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.)
Withdrawn
Application number
FR6934822A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tenneco Chemicals Inc
Original Assignee
Tenneco Chemicals Inc
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 Tenneco Chemicals Inc filed Critical Tenneco Chemicals Inc
Publication of FR2020432A1 publication Critical patent/FR2020432A1/fr
Withdrawn legal-status Critical Current

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
    • C07C51/42—Separation; Purification; Stabilisation; Use of additives
    • C07C51/43—Separation; Purification; Stabilisation; Use of additives by change of the physical state, e.g. crystallisation
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/255—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting
    • C07C51/265—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of compounds containing six-membered aromatic rings without ring-splitting having alkyl side chains which are oxidised to carboxyl groups
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FR6934822A 1968-10-11 1969-10-10 Withdrawn FR2020432A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00766835A US3816523A (en) 1968-10-11 1968-10-11 Process for the production and purification of benzoic acid

Publications (1)

Publication Number Publication Date
FR2020432A1 true FR2020432A1 (fr) 1970-07-10

Family

ID=25077666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6934822A Withdrawn FR2020432A1 (fr) 1968-10-11 1969-10-10

Country Status (6)

Country Link
US (1) US3816523A (fr)
BE (1) BE739906A (fr)
DE (1) DE1951275A1 (fr)
FR (1) FR2020432A1 (fr)
GB (1) GB1278607A (fr)
NL (1) NL6915143A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL85976A (en) * 1987-07-23 1992-03-29 Gadot Petrochem Ind Process for the manufacture of derivatives of benzoic acid by catalytic oxidation of the corresponding toluene derivatives in the liquid phase in the presence of a phase transfer catalyst
IL85976A0 (en) * 1987-07-23 1988-09-30 Gadot Petrochem Ind Process for the manufacture of derivatives of benzoic acid
CN104447271B (zh) * 2014-11-14 2016-05-25 复旦大学 一种以光照为条件醇催化合成苯甲酸的方法
CN104447297B (zh) * 2014-11-14 2016-05-25 复旦大学 一种以光照为条件有机胺催化合成苯甲酸的方法
CN110015954A (zh) * 2019-01-31 2019-07-16 武汉有机实业有限公司 食品添加剂苯甲酸钠的生产方法

Also Published As

Publication number Publication date
GB1278607A (en) 1972-06-21
BE739906A (fr) 1970-03-16
NL6915143A (fr) 1970-04-14
US3816523A (en) 1974-06-11
DE1951275A1 (de) 1970-06-18

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Legal Events

Date Code Title Description
ST Notification of lapse