IT1105727B - Procedimento di separazione di acido acrilico a partire dalle sue soluzioni nel fosfato di tri-n-butile - Google Patents

Procedimento di separazione di acido acrilico a partire dalle sue soluzioni nel fosfato di tri-n-butile

Info

Publication number: IT1105727B
Authority: IT; Italy
Prior art keywords: tri; solutions; acrylic acid; butyl phosphate; acid separation
Prior art date: 1977-06-14

Application number

IT49856/78A

Other languages

English (en)

Other versions

IT7849856A0 (it

Original Assignee

Rhone Poulenc Ind

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.)

1977-06-14

Filing date

1978-06-13

Publication date

1985-11-04

1978-06-13 Application filed by Rhone Poulenc Ind filed Critical Rhone Poulenc Ind

1978-06-13 Publication of IT7849856A0 publication Critical patent/IT7849856A0/it

1985-11-04 Application granted granted Critical

1985-11-04 Publication of IT1105727B publication Critical patent/IT1105727B/it

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
- 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)
Crystallography & Structural Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

IT49856/78A 1977-06-14 1978-06-13 Procedimento di separazione di acido acrilico a partire dalle sue soluzioni nel fosfato di tri-n-butile IT1105727B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR7718136A FR2394512A1 (fr)	1977-06-14	1977-06-14	Procede de separation d'acide acrylique a partir de ses solutions dans le phosphate de tri-n-butyle

Publications (2)

Publication Number	Publication Date
IT7849856A0 IT7849856A0 (it)	1978-06-13
IT1105727B true IT1105727B (it)	1985-11-04

Family

ID=9192057

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT49856/78A IT1105727B (it)	1977-06-14	1978-06-13	Procedimento di separazione di acido acrilico a partire dalle sue soluzioni nel fosfato di tri-n-butile

Country Status (10)

Country	Link
US (1)	US4219389A (it)
EP (1)	EP0000110B1 (it)
JP (1)	JPS5416421A (it)
BR (1)	BR7803779A (it)
CA (1)	CA1103196A (it)
DE (1)	DE2862438D1 (it)
ES (1)	ES470776A1 (it)
FR (1)	FR2394512A1 (it)
IT (1)	IT1105727B (it)
SU (1)	SU963461A3 (it)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS6098794A (ja) *	1983-11-04	1985-06-01	Matsushita Electric Ind Co Ltd	圧電型電気音響変換器
JPS61159899A (ja) *	1985-01-08	1986-07-19	Kimio Takahashi	圧電スピ−カ
JPS61159900A (ja) *	1985-01-08	1986-07-19	Kimio Takahashi	圧電スピ−カ
JPS61161100A (ja) *	1985-01-09	1986-07-21	Kimio Takahashi	圧電スピ−カ
DE3629093A1 (de) *	1986-08-27	1988-03-10	Stettner & Co	Piezokeramischer schallwandler
JPH01176200A (ja) *	1987-12-29	1989-07-12	Nec Corp	圧電振動板
JPH04105795U (ja) *	1991-02-23	1992-09-11	太陽誘電株式会社	圧電音響装置
FR2735989B1 (fr) *	1995-06-29	1997-08-14	Rhone Poulenc Nutrition Animal	Procede et installation de purification d'un flux gazeux contenant de l'acroleine
DE19740252A1 (de) *	1997-09-12	1999-03-18	Basf Ag	Verfahren zur Herstellung von Acrylsäure und Methacrylsäure
DE19833049A1 (de) *	1998-07-22	2000-01-27	Basf Ag	Verfahren zur Herstellung von Acrylsäure
DE19838783A1 (de) *	1998-08-26	2000-03-02	Basf Ag	Verfahren zur kontinuierlichen Gewinnung von (Meth)acrylsäure
NL1013682C2 (nl) *	1999-11-26	2001-05-30	Purac Biochem Bv	Werkwijze en inrichting voor het zuiveren van een waterige oplossing van melkzuur.
US20030150705A1 (en) *	2002-01-08	2003-08-14	Deshpande Sanjeev D.	Acrylic acid recovery utilizing ethyl acrylate and selected co-solvents
DE10220494A1 (de) *	2002-05-07	2003-11-20	Basf Ag	Verfahren zur Herstellung einer wässrigen Alkaliacrylat-Lösung
TWI337996B (en) *	2003-10-09	2011-03-01	Basf Ag	Rectificative separation of an acrylic acid-containing liquid
DE10347664A1 (de)	2003-10-09	2004-12-02	Basf Ag	Verfahren der rektifikativen Auftrennung einer Acrylsäure enthaltenden Flüssigkeit
DE102010064250A1 (de)	2010-12-28	2012-06-28	Evonik Degussa Gmbh	Verfahren zur Herstellung von Methylmercaptopropionaldehyd

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3092587A (en) *	1959-07-22	1963-06-04	Bergwerksgesellschaft Hibernia	Process for the production of high percentage solutions of organic peroxides
FR1359885A (fr) *	1963-03-21	1964-04-30	Electrochimie Soc	Procédé de fabrication d'acide acrylique glacial
US3555082A (en) *	1966-12-15	1971-01-12	Knapsack Ag	Process for isolating acrylic acid from the reaction gases obtained by oxidation of propylene or acrolein
AT274743B (de) *	1967-09-28	1969-09-25	Krems Chemie Gmbh	Verfahren und Vorrichtung zur kontinuierlichen Fraktionierung von Tallöl oder andern organischen Mehrstoffgemischen
US3697387A (en) *	1968-05-16	1972-10-10	Buss Ag	Process and device for the purification of a mixture of organic substances of high molecular weight
NL180579C (nl) *	1972-05-24	1987-03-16	Sumitomo Chemical Co	Werkwijze voor het scheiden van een mengsel bestaande uit acrylzuur, azijnzuur en water.
US4043873A (en) *	1973-06-15	1977-08-23	Societa' Italiana Resine S.I.R. S.P.A.	Plural stage recovery of trioxane in a process having a molecular distillation step

1977
- 1977-06-14 FR FR7718136A patent/FR2394512A1/fr active Granted
1978
- 1978-06-05 EP EP78400011A patent/EP0000110B1/fr not_active Expired
- 1978-06-05 DE DE7878400011T patent/DE2862438D1/de not_active Expired
- 1978-06-12 US US05/914,923 patent/US4219389A/en not_active Expired - Lifetime
- 1978-06-13 CA CA305,325A patent/CA1103196A/fr not_active Expired
- 1978-06-13 JP JP7045478A patent/JPS5416421A/ja active Granted
- 1978-06-13 IT IT49856/78A patent/IT1105727B/it active
- 1978-06-13 BR BR787803779A patent/BR7803779A/pt unknown
- 1978-06-14 ES ES470776A patent/ES470776A1/es not_active Expired
- 1978-06-14 SU SU782627502A patent/SU963461A3/ru active

Also Published As

Publication number	Publication date
JPS5711896B2 (it)	1982-03-08
ES470776A1 (es)	1979-02-01
EP0000110A1 (fr)	1978-12-20
SU963461A3 (ru)	1982-09-30
US4219389A (en)	1980-08-26
BR7803779A (pt)	1979-02-20
FR2394512A1 (fr)	1979-01-12
IT7849856A0 (it)	1978-06-13
JPS5416421A (en)	1979-02-07
FR2394512B1 (it)	1980-01-18
DE2862438D1 (en)	1984-10-04
EP0000110B1 (fr)	1984-08-29
CA1103196A (fr)	1981-06-16

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Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19940629