BE760038A - Purification de l'acide benzoique - Google Patents

Purification de l'acide benzoique

Info

Publication number
BE760038A
BE760038A BE760038DA BE760038A BE 760038 A BE760038 A BE 760038A BE 760038D A BE760038D A BE 760038DA BE 760038 A BE760038 A BE 760038A
Authority
BE
Belgium
Prior art keywords
purification
benzoic acid
benzoic
acid
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
M W Clark
Original Assignee
Dow Chemical Co
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.)
Publication date
Publication of BE760038A publication Critical patent/BE760038A/xx

Links

Classifications

    • 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
    • C07C51/487Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE760038D 1969-12-08 Purification de l'acide benzoique BE760038A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88327069A 1969-12-08 1969-12-08

Publications (1)

Publication Number Publication Date
BE760038A true BE760038A (fr) 1971-05-17

Family

ID=25382292

Family Applications (1)

Application Number Title Priority Date Filing Date
BE760038D BE760038A (fr) 1969-12-08 Purification de l'acide benzoique

Country Status (6)

Country Link
US (1) US3705193A (sv)
BE (1) BE760038A (sv)
DE (1) DE2059791C3 (sv)
FR (1) FR2072865A5 (sv)
GB (1) GB1267020A (sv)
NL (1) NL169170C (sv)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8300008A (nl) * 1983-01-03 1984-08-01 Stamicarbon Werkwijze voor de bereiding van benzoezuur.
NL8300009A (nl) * 1983-01-03 1984-08-01 Stamicarbon Werkwijze voor de bereiding van farmaceutisch benzoezuur.
CN113548960A (zh) * 2021-07-19 2021-10-26 武汉有机实业有限公司 一种食品级苯甲酸的纯化方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3309289A (en) * 1961-10-11 1967-03-14 Snia Viscosa Recovery of benzoic acid by distillation in presence of excess water
US3478092A (en) * 1966-04-06 1969-11-11 Velsicol Chemical Corp Method of improving the color and color stability of benzoic acid

Also Published As

Publication number Publication date
NL7017539A (sv) 1971-06-10
GB1267020A (sv) 1972-03-15
DE2059791A1 (de) 1971-06-16
FR2072865A5 (sv) 1971-09-24
DE2059791C3 (de) 1982-05-19
NL169170B (nl) 1982-01-18
US3705193A (en) 1972-12-05
DE2059791B2 (de) 1981-05-14
NL169170C (nl) 1982-06-16

Similar Documents

Publication Publication Date Title
BE791577A (fr) Purification de courants d'acide carboxylique
BE810280A (fr) Purification de l'acide hydroxyacetique
FR1417388A (fr) Purification de l'acide chlorhydrique
FR2073393A1 (fr) Derives de l'acide benzoique
BE752813A (fr) Preparation d'acide trans-chrysanthemique optiquement actif
FR1433325A (fr) Perfectionnements à la purification de l'acide téréphtalique
BE772277A (fr) Procede de purification de l'acide terephtalique
BE747726A (fr) Preparation d'acide (+ ou -)-trans-chrysanthemique
FR1515778A (fr) Procédé de purification de l'acide téréphtalique
BE817574A (fr) Purification d'acide phosphorique
BE755498A (fr) Preparation d'acide chrysanthemique optiquement
BE810652A (fr) Purification de l'acide phosphorique
FR1464175A (fr) Procédé de purification de l'acide téréphtalique
BE760038A (fr) Purification de l'acide benzoique
BE753773A (fr) Derives de l'acide glycyrrhetinique
BE768426A (fr) Purification d'acide phosphorique de voie humide
BE813986A (fr) Esters de l'acide thiophoshonique
BE779849A (fr) Nouvel ester de l'acide alpha-methylbutyrique
BE809065A (fr) Fabrication de l'acide methacrylique
BE826754A (fr) Purification de l'acide chlorhydrique
BE798240A (fr) Purification de l'acide gamma-oxo-2- dibenzofurannebutrique
FR1358123A (fr) Purification de l'acide fluorhydrique
BE776736A (fr) Preparation de l'acide 2-chloro-ethane-phosphonique
BE640764A (fr) Purification de l'acide benzoïque
FR1426901A (fr) Procédé de purification de l'acide téréphtalique

Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: THE DOW CHEMICAL CY

Effective date: 19901208