FR2091386A5 - Acrylic acid purification by fractional distillation - Google Patents
Acrylic acid purification by fractional distillationInfo
- Publication number
- FR2091386A5 FR2091386A5 FR7116740A FR7116740A FR2091386A5 FR 2091386 A5 FR2091386 A5 FR 2091386A5 FR 7116740 A FR7116740 A FR 7116740A FR 7116740 A FR7116740 A FR 7116740A FR 2091386 A5 FR2091386 A5 FR 2091386A5
- Authority
- FR
- France
- Prior art keywords
- acrylic acid
- purification
- fractional distillation
- acid purification
- press
- 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
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)
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 |
---|---|
FR2091386A5 true FR2091386A5 (en) | 1972-01-14 |
Family
ID=26256321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7116740A Expired FR2091386A5 (en) | 1970-05-13 | 1971-05-10 | Acrylic acid purification by fractional distillation |
Country Status (7)
Country | Link |
---|---|
AU (1) | AU2843471A (fr) |
BE (1) | BE767028A (fr) |
CA (1) | CA936490A (fr) |
DE (1) | DE2120956A1 (fr) |
FR (1) | FR2091386A5 (fr) |
IT (1) | IT941401B (fr) |
NL (1) | NL7106435A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004055765A1 (de) | 2004-11-18 | 2006-05-24 | Basf Ag | Verfahren zur Herstellung wasserabsorbierender Polymere |
-
1971
- 1971-04-28 DE DE19712120956 patent/DE2120956A1/de active Pending
- 1971-05-03 AU AU28434/71A patent/AU2843471A/en not_active Expired
- 1971-05-10 FR FR7116740A patent/FR2091386A5/fr not_active Expired
- 1971-05-11 NL NL7106435A patent/NL7106435A/xx unknown
- 1971-05-11 BE BE767028A patent/BE767028A/fr unknown
- 1971-05-12 IT IT2444471A patent/IT941401B/it active
- 1971-05-12 CA CA112772A patent/CA936490A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2120956A1 (fr) | 1971-11-25 |
BE767028A (fr) | 1971-11-12 |
NL7106435A (fr) | 1971-11-16 |
CA936490A (en) | 1973-11-06 |
AU2843471A (en) | 1972-11-09 |
IT941401B (it) | 1973-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |