TW358088B - Separation by rectification of unsaturated carboxylic acids from solvents - Google Patents

Separation by rectification of unsaturated carboxylic acids from solvents

Info

Publication number
TW358088B
TW358088B TW085110170A TW85110170A TW358088B TW 358088 B TW358088 B TW 358088B TW 085110170 A TW085110170 A TW 085110170A TW 85110170 A TW85110170 A TW 85110170A TW 358088 B TW358088 B TW 358088B
Authority
TW
Taiwan
Prior art keywords
rectification
solvents
separation
unsaturated carboxylic
carboxylic acids
Prior art date
Application number
TW085110170A
Other languages
English (en)
Inventor
Ulrich Hammon
Volker Schliephake
Wolfgang Pies
Ulrich Rauh
Original Assignee
Basf Ag
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7773486&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TW358088(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Basf Ag filed Critical Basf Ag
Application granted granted Critical
Publication of TW358088B publication Critical patent/TW358088B/zh

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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C57/00—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms
    • C07C57/02—Unsaturated compounds having carboxyl groups bound to acyclic carbon atoms with only carbon-to-carbon double bonds as unsaturation
    • C07C57/03—Monocarboxylic acids
    • C07C57/04—Acrylic acid; Methacrylic acid
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S203/00—Distillation: processes, separatory
    • Y10S203/22—Accessories

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)
  • Extraction Or Liquid Replacement (AREA)
TW085110170A 1995-09-28 1996-08-21 Separation by rectification of unsaturated carboxylic acids from solvents TW358088B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19536179A DE19536179A1 (de) 1995-09-28 1995-09-28 Verfahren zur rektifikativen Abtrennung von ungesättigten Carbonsäuren aus Lösungsmitteln

Publications (1)

Publication Number Publication Date
TW358088B true TW358088B (en) 1999-05-11

Family

ID=7773486

Family Applications (1)

Application Number Title Priority Date Filing Date
TW085110170A TW358088B (en) 1995-09-28 1996-08-21 Separation by rectification of unsaturated carboxylic acids from solvents

Country Status (14)

Country Link
US (1) US5728272A (zh)
EP (1) EP0765854B1 (zh)
JP (1) JPH09110779A (zh)
KR (1) KR100453791B1 (zh)
CN (1) CN1068578C (zh)
CA (1) CA2183673A1 (zh)
CZ (1) CZ292498B6 (zh)
DE (2) DE19536179A1 (zh)
DK (1) DK0765854T3 (zh)
ES (1) ES2175004T3 (zh)
MX (1) MX9603731A (zh)
MY (1) MY116551A (zh)
SG (1) SG50765A1 (zh)
TW (1) TW358088B (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6723398B1 (en) * 1999-11-01 2004-04-20 Dow Global Technologies Inc. Polymer blend and fabricated article made from diverse ethylene interpolymers
SG85160A1 (en) 1999-03-02 2001-12-19 Nippon Catalytic Chem Ind Method for production of (meth) acrylic acid and/or (meth) acrylic esters
US6722377B1 (en) * 1999-08-27 2004-04-20 Rohm And Haas Company Process for cleaning reactors
DE10000854A1 (de) * 2000-01-12 2001-07-19 Basf Ag Verfahren zum Reinigen von Trennkolonnen
US7275038B1 (en) * 2000-08-18 2007-09-25 The Crawford Group, Inc. Web enabled business to business operating system for rental car services
DE10144490A1 (de) * 2001-09-10 2003-03-27 Basf Ag Verfahren zur Herstellung von (Meth)acrylsäureestern
WO2003031384A1 (en) * 2001-10-09 2003-04-17 Mitsubishi Chemical Corporation Process for production of (meth)acrylic compounds and method of distillation
DE10211273A1 (de) 2002-03-13 2003-03-06 Basf Ag Verfahren zur Reinigung von Bodenkolonnen, die zur rektifikativen Behandlung von (Meth)acrylsäure und/oder deren Ester enthaltenden Flüssigkeiten verwendet worden waren
DE10237061A1 (de) * 2002-08-09 2004-02-19 Basf Ag Verfahren zur Reinigung von Apparaten, in welchen(Meth)acrylsäure enthaltende organische Lösungsmittel behandelt und/oder erzeugt wurden
JP3971974B2 (ja) * 2002-09-03 2007-09-05 三菱化学株式会社 （メタ）アクリル酸類の製造方法
US20040104108A1 (en) 2002-12-03 2004-06-03 Mason Robert Michael High capacity purification of thermally unstable compounds
DE10347664A1 (de) 2003-10-09 2004-12-02 Basf Ag Verfahren der rektifikativen Auftrennung einer Acrylsäure enthaltenden Flüssigkeit
CN101909882B (zh) 2007-11-14 2014-06-25 陶氏环球技术有限责任公司 制品及其制备方法
CN107519158A (zh) * 2009-05-08 2017-12-29 3M创新有限公司 口腔护理方法和套件

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3157693A (en) * 1959-03-05 1964-11-17 Celanese Corp Recovery of acrylic acid esters by water wahing and fractionation
US3470238A (en) * 1964-11-06 1969-09-30 Mitsubishi Petrochemical Co Process for recovering acrylic and methacrylic ester
US3818079A (en) * 1970-07-07 1974-06-18 Japanese Geon Co Ltd Method of preventing the polymerization of unsaturated carboxylic acid
DE2235326A1 (de) * 1972-07-19 1974-02-07 Degussa Verfahren zur reinigung 1,2-ungesaettigter carbonsaeuren
JPH05310636A (ja) * 1992-05-14 1993-11-22 Idemitsu Petrochem Co Ltd アクリル酸エステル又はメタクリル酸エステルの製造方法
US5432925A (en) * 1993-08-04 1995-07-11 International Business Machines Corporation System for providing a uniform external interface for an object oriented computing system
DE4335172A1 (de) * 1993-10-15 1995-04-20 Basf Ag Verfahren zur Reinigung von Roh-(Meth)acrylsäure

Also Published As

Publication number Publication date
DE19536179A1 (de) 1997-04-03
EP0765854B1 (de) 2002-04-10
CZ292498B6 (cs) 2003-10-15
CN1151393A (zh) 1997-06-11
ES2175004T3 (es) 2002-11-16
CA2183673A1 (en) 1997-03-29
US5728272A (en) 1998-03-17
EP0765854A1 (de) 1997-04-02
JPH09110779A (ja) 1997-04-28
CZ273596A3 (cs) 1998-05-13
KR100453791B1 (ko) 2005-01-31
CN1068578C (zh) 2001-07-18
MX9603731A (es) 1997-03-29
KR970015554A (ko) 1997-04-28
DE59609045D1 (de) 2002-05-16
SG50765A1 (en) 1998-07-20
DK0765854T3 (da) 2002-06-17
MY116551A (en) 2004-02-28

Similar Documents

Publication Publication Date Title
TW358088B (en) Separation by rectification of unsaturated carboxylic acids from solvents
EP0608838A3 (en) Process for the preparation of an unsaturated carboxylic acid.
PL332831A1 (en) Agent for speeding up the setting and hardening rate of hydraulic bonders
CA2274073A1 (en) Preparation of vinyl acetate
CA2051484A1 (en) Decarboxylation processes using mixed metal oxide catalysts
UA41964C2 (uk) Спосіб одержання циклічних лактамів
ATE174380T1 (de) Waschmittelblock enthaltend nitrilotriessigsäure
MX9701632A (es) Procedimiento para obtener isoforona.
MY101210A (en) Process for producing fatty acids from lower alcohol ester of fatty acids.
TW282464B (zh)
AU1764888A (en) The use of alkaline earth metal salts of ether carboxylic acids as alkoxylation catalysts
TW338762B (en) Process for decomposing cycloalkyl hydroperoxide
MY127267A (en) Method for producing esters of (alpha), ?-unsaturated carboxylic acids
GR3029438T3 (en) Block detergent containing nitrilotriacetic acid
CA2197988A1 (en) Conversion of Nylon 6 and/or Nylon 6,6 to Adipic Acid
ES2114179T3 (es) Oxidacion de cetonas.
EP0392361A3 (en) Process for production of carboxylic acid esters and formamide
AU6773690A (en) Method for solubilization and naturation of somatotropins utilizing low urea concentration
CA2327949A1 (en) Process and composition for removing precious metals from activated carbon
EP0784044A4 (en) METHOD FOR PRODUCING MONOCARBONIC AND / OR DICARBONIC ACIDS
TH25210A (th) การแยกกรดคาร์บอกซิลิก ไม่อิ่มตัวจากตัวทำละลายโดย เรคทิฟิเคชั่น
ATE93525T1 (de) Umwandlung eines delta-16-steroids in einen delta-17(20)-20 silylether.
JPS5387348A (en) Method of purifying tetrahydrofuran
DE3661911D1 (en) Method for the preparation of tetrahydrofurfuryl-(2)-methacrylate, and catalyst thereof
JPS53106770A (en) Polyamide formmoldings