FR2388786A1 - Procede d'elimination de l'acide fluorhydrique de l'acide glycolique - Google Patents

Procede d'elimination de l'acide fluorhydrique de l'acide glycolique

Info

Publication number
FR2388786A1
FR2388786A1 FR7811208A FR7811208A FR2388786A1 FR 2388786 A1 FR2388786 A1 FR 2388786A1 FR 7811208 A FR7811208 A FR 7811208A FR 7811208 A FR7811208 A FR 7811208A FR 2388786 A1 FR2388786 A1 FR 2388786A1
Authority
FR
France
Prior art keywords
acid
glycolic acid
hydrofluoric acid
removing hydrofluoric
glycolic
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.)
Granted
Application number
FR7811208A
Other languages
English (en)
French (fr)
Other versions
FR2388786B1 (enrdf_load_stackoverflow
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.)
Chevron USA Inc
Original Assignee
Chevron Research and Technology Co
Chevron Research 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.)
Filing date
Publication date
Application filed by Chevron Research and Technology Co, Chevron Research Co filed Critical Chevron Research and Technology Co
Publication of FR2388786A1 publication Critical patent/FR2388786A1/fr
Application granted granted Critical
Publication of FR2388786B1 publication Critical patent/FR2388786B1/fr
Granted 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
    • 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

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)
FR7811208A 1977-04-25 1978-04-17 Procede d'elimination de l'acide fluorhydrique de l'acide glycolique Granted FR2388786A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79022177A 1977-04-25 1977-04-25

Publications (2)

Publication Number Publication Date
FR2388786A1 true FR2388786A1 (fr) 1978-11-24
FR2388786B1 FR2388786B1 (enrdf_load_stackoverflow) 1982-12-03

Family

ID=25150005

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7811208A Granted FR2388786A1 (fr) 1977-04-25 1978-04-17 Procede d'elimination de l'acide fluorhydrique de l'acide glycolique

Country Status (8)

Country Link
JP (1) JPS53132522A (enrdf_load_stackoverflow)
BE (1) BE864566A (enrdf_load_stackoverflow)
CA (1) CA1088564A (enrdf_load_stackoverflow)
DE (1) DE2817563A1 (enrdf_load_stackoverflow)
FR (1) FR2388786A1 (enrdf_load_stackoverflow)
GB (1) GB1583294A (enrdf_load_stackoverflow)
IT (1) IT1094716B (enrdf_load_stackoverflow)
NL (1) NL7804407A (enrdf_load_stackoverflow)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911003A (en) * 1974-06-19 1975-10-07 Chevron Res Process for the production of glycolic acid and oxydiacetic acid
US4016208A (en) * 1974-06-19 1977-04-05 Chevron Research Company Acid production

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911003A (en) * 1974-06-19 1975-10-07 Chevron Res Process for the production of glycolic acid and oxydiacetic acid
US4016208A (en) * 1974-06-19 1977-04-05 Chevron Research Company Acid production

Also Published As

Publication number Publication date
GB1583294A (en) 1981-01-21
DE2817563C2 (enrdf_load_stackoverflow) 1987-08-06
BE864566A (fr) 1978-07-03
JPS6213336B2 (enrdf_load_stackoverflow) 1987-03-25
JPS53132522A (en) 1978-11-18
IT7822507A0 (it) 1978-04-20
NL7804407A (nl) 1978-10-27
FR2388786B1 (enrdf_load_stackoverflow) 1982-12-03
CA1088564A (en) 1980-10-28
IT1094716B (it) 1985-08-02
DE2817563A1 (de) 1978-10-26

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Legal Events

Date Code Title Description
ST Notification of lapse