IT941401B - Processo per la depurazione di acido acrilico - Google Patents

Processo per la depurazione di acido acrilico

Info

Publication number
IT941401B
IT941401B IT2444471A IT2444471A IT941401B IT 941401 B IT941401 B IT 941401B IT 2444471 A IT2444471 A IT 2444471A IT 2444471 A IT2444471 A IT 2444471A IT 941401 B IT941401 B IT 941401B
Authority
IT
Italy
Prior art keywords
purification
acrylic acid
acrylic
acid
Prior art date
Application number
IT2444471A
Other languages
English (en)
Original Assignee
Bp Chem Int 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 Chem Int Ltd filed Critical Bp Chem Int Ltd
Application granted granted Critical
Publication of IT941401B publication Critical patent/IT941401B/it

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)
IT2444471A 1970-05-13 1971-05-12 Processo per la depurazione di acido acrilico IT941401B (it)

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
IT941401B true IT941401B (it) 1973-03-01

Family

ID=26256321

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2444471A IT941401B (it) 1970-05-13 1971-05-12 Processo per la depurazione di acido acrilico

Country Status (7)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004055765A1 (de) 2004-11-18 2006-05-24 Basf Ag Verfahren zur Herstellung wasserabsorbierender Polymere

Also Published As

Publication number Publication date
CA936490A (en) 1973-11-06
FR2091386A5 (en) 1972-01-14
BE767028A (fr) 1971-11-12
AU2843471A (en) 1972-11-09
NL7106435A (it) 1971-11-16
DE2120956A1 (it) 1971-11-25

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