CA1088564A - Hydrogen fluoride removal from glycolic acid - Google Patents

Hydrogen fluoride removal from glycolic acid

Info

Publication number
CA1088564A
CA1088564A CA297,670A CA297670A CA1088564A CA 1088564 A CA1088564 A CA 1088564A CA 297670 A CA297670 A CA 297670A CA 1088564 A CA1088564 A CA 1088564A
Authority
CA
Canada
Prior art keywords
hydrogen fluoride
glycolic acid
purification
carried out
hydrogen
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
CA297,670A
Other languages
English (en)
French (fr)
Inventor
Shigeto Suzuki
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
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 filed Critical Chevron Research and Technology Co
Application granted granted Critical
Publication of CA1088564A publication Critical patent/CA1088564A/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
    • C07C51/42—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)
CA297,670A 1977-04-25 1978-02-24 Hydrogen fluoride removal from glycolic acid Expired CA1088564A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79022177A 1977-04-25 1977-04-25
US790,221 1977-04-25

Publications (1)

Publication Number Publication Date
CA1088564A true CA1088564A (en) 1980-10-28

Family

ID=25150005

Family Applications (1)

Application Number Title Priority Date Filing Date
CA297,670A Expired CA1088564A (en) 1977-04-25 1978-02-24 Hydrogen fluoride removal from glycolic acid

Country Status (8)

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

Family Cites Families (2)

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

Also Published As

Publication number Publication date
FR2388786B1 (it) 1982-12-03
IT7822507A0 (it) 1978-04-20
NL7804407A (nl) 1978-10-27
JPS53132522A (en) 1978-11-18
GB1583294A (en) 1981-01-21
JPS6213336B2 (it) 1987-03-25
DE2817563A1 (de) 1978-10-26
BE864566A (fr) 1978-07-03
DE2817563C2 (it) 1987-08-06
FR2388786A1 (fr) 1978-11-24
IT1094716B (it) 1985-08-02

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Legal Events

Date Code Title Description
MKEX Expiry