CA923505A - Procede de purification d'acide lactique - Google Patents

Procede de purification d'acide lactique

Info

Publication number
CA923505A
CA923505A CA083533A CA83533A CA923505A CA 923505 A CA923505 A CA 923505A CA 083533 A CA083533 A CA 083533A CA 83533 A CA83533 A CA 83533A CA 923505 A CA923505 A CA 923505A
Authority
CA
Canada
Prior art keywords
procede
purification
acide lactique
lactique
acide
Prior art date
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.)
Expired
Application number
CA083533A
Other languages
English (en)
Inventor
Chaintron Gerard
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.)
Rhone Poulenc SA
Original Assignee
Rhone Poulenc SA
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 Rhone Poulenc SA filed Critical Rhone Poulenc SA
Application granted granted Critical
Publication of CA923505A publication Critical patent/CA923505A/en
Expired 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
    • C07C51/16—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation
    • C07C51/27—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids
    • C07C51/275—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with oxides of nitrogen or nitrogen-containing mineral acids of hydrocarbyl 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
    • C07C51/487—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to chemical modification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
CA083533A 1969-05-23 1970-05-22 Procede de purification d'acide lactique Expired CA923505A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6916915A FR2044526A5 (xx) 1969-05-23 1969-05-23

Publications (1)

Publication Number Publication Date
CA923505A true CA923505A (en) 1973-03-27

Family

ID=9034533

Family Applications (1)

Application Number Title Priority Date Filing Date
CA083533A Expired CA923505A (en) 1969-05-23 1970-05-22 Procede de purification d'acide lactique

Country Status (13)

Country Link
US (1) US3716584A (xx)
JP (1) JPS5035058B1 (xx)
BE (1) BE750844A (xx)
BR (1) BR7019207D0 (xx)
CA (1) CA923505A (xx)
CH (1) CH500933A (xx)
DE (1) DE2025052A1 (xx)
ES (1) ES379970A1 (xx)
FR (1) FR2044526A5 (xx)
GB (1) GB1265595A (xx)
LU (1) LU60963A1 (xx)
NL (1) NL140862B (xx)
SE (1) SE371432B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19632924A1 (de) * 1996-08-16 1998-02-19 Bayer Ag Verfahren zur Isolierung von Hydroxypivalinsäure aus wäßriger Lösung
JP3880175B2 (ja) * 1996-12-20 2007-02-14 三井化学株式会社 乳酸の精製方法
US6111137A (en) * 1996-12-20 2000-08-29 Mitsui Chemicals, Inc. Purification process of lactic acid
US20050209328A1 (en) * 2004-03-19 2005-09-22 Allgood Charles C Alphahydroxyacids with ultra-low metal concentration

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US924494A (en) * 1907-11-25 1909-06-08 Chem Fab Florsheim Dr H Noerdlinger Process of preparing pure lactic acid.
GB907322A (en) * 1958-07-10 1962-10-03 Bowmans Chemicals Ltd Purification and esterification of lactic acid

Also Published As

Publication number Publication date
GB1265595A (xx) 1972-03-01
SE371432B (xx) 1974-11-18
ES379970A1 (es) 1972-09-01
LU60963A1 (xx) 1971-06-29
NL7007134A (xx) 1970-11-25
BE750844A (fr) 1970-11-23
US3716584A (en) 1973-02-13
JPS5035058B1 (xx) 1975-11-13
DE2025052A1 (de) 1970-12-10
BR7019207D0 (pt) 1973-01-04
CH500933A (fr) 1970-12-31
NL140862B (nl) 1974-01-15
FR2044526A5 (xx) 1971-02-19

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