NL7007134A - - Google Patents

Info

Publication number
NL7007134A
NL7007134A NL7007134A NL7007134A NL7007134A NL 7007134 A NL7007134 A NL 7007134A NL 7007134 A NL7007134 A NL 7007134A NL 7007134 A NL7007134 A NL 7007134A NL 7007134 A NL7007134 A NL 7007134A
Authority
NL
Netherlands
Application number
NL7007134A
Other versions
NL140862B (nl
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 NL7007134A publication Critical patent/NL7007134A/xx
Publication of NL140862B publication Critical patent/NL140862B/xx

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)
NL707007134A 1969-05-23 1970-05-15 Werkwijze voor de zuivering van melkzuur. NL140862B (nl)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
NL7007134A true NL7007134A (xx) 1970-11-25
NL140862B NL140862B (nl) 1974-01-15

Family

ID=9034533

Family Applications (1)

Application Number Title Priority Date Filing Date
NL707007134A NL140862B (nl) 1969-05-23 1970-05-15 Werkwijze voor de zuivering van melkzuur.

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
US6111137A (en) * 1996-12-20 2000-08-29 Mitsui Chemicals, Inc. Purification process of lactic acid
JP3880175B2 (ja) * 1996-12-20 2007-02-14 三井化学株式会社 乳酸の精製方法
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
DE2025052A1 (de) 1970-12-10
US3716584A (en) 1973-02-13
CA923505A (en) 1973-03-27
BR7019207D0 (pt) 1973-01-04
CH500933A (fr) 1970-12-31
BE750844A (fr) 1970-11-23
ES379970A1 (es) 1972-09-01
JPS5035058B1 (xx) 1975-11-13
FR2044526A5 (xx) 1971-02-19
LU60963A1 (xx) 1971-06-29
GB1265595A (xx) 1972-03-01
SE371432B (xx) 1974-11-18
NL140862B (nl) 1974-01-15

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: RHONE POULENC