CA936490A - Purification of unsaturated aliphatic carboxylic acids - Google Patents

Purification of unsaturated aliphatic carboxylic acids

Info

Publication number
CA936490A
CA936490A CA112772A CA112772A CA936490A CA 936490 A CA936490 A CA 936490A CA 112772 A CA112772 A CA 112772A CA 112772 A CA112772 A CA 112772A CA 936490 A CA936490 A CA 936490A
Authority
CA
Canada
Prior art keywords
purification
carboxylic acids
aliphatic carboxylic
unsaturated aliphatic
unsaturated
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
CA112772A
Other versions
CA112772S (en
Inventor
J. Brown Christopher
F. Neale Roderick
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.)
BP Chemicals Ltd
Original Assignee
BP Chemicals Ltd
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
Priority claimed from GB50135/70A external-priority patent/GB1287696A/en
Application filed by BP Chemicals Ltd filed Critical BP Chemicals Ltd
Application granted granted Critical
Publication of CA936490A publication Critical patent/CA936490A/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
    • C07C51/21—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen
    • C07C51/25—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring
    • C07C51/252—Preparation of carboxylic acids or their salts, halides or anhydrides by oxidation with molecular oxygen of unsaturated compounds containing no six-membered aromatic ring of propene, butenes, acrolein or methacrolein
    • 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)
CA112772A 1970-05-13 1971-05-12 Purification of unsaturated aliphatic carboxylic acids Expired CA936490A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2309170 1970-05-13
GB50135/70A GB1287696A (en) 1970-05-13 1970-10-22 Purification of acrylic acid

Publications (1)

Publication Number Publication Date
CA936490A true CA936490A (en) 1973-11-06

Family

ID=26256321

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112772A Expired CA936490A (en) 1970-05-13 1971-05-12 Purification of unsaturated aliphatic carboxylic acids

Country Status (7)

Country Link
AU (1) AU2843471A (en)
BE (1) BE767028A (en)
CA (1) CA936490A (en)
DE (1) DE2120956A1 (en)
FR (1) FR2091386A5 (en)
IT (1) IT941401B (en)
NL (1) NL7106435A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004055765A1 (en) 2004-11-18 2006-05-24 Basf Ag Process for the preparation of water-absorbing polymers

Also Published As

Publication number Publication date
IT941401B (en) 1973-03-01
FR2091386A5 (en) 1972-01-14
BE767028A (en) 1971-11-12
AU2843471A (en) 1972-11-09
NL7106435A (en) 1971-11-16
DE2120956A1 (en) 1971-11-25

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