IT7848953A0 - Procedimento per il recupero di te reftalonitrile da soluzioni - Google Patents

Procedimento per il recupero di te reftalonitrile da soluzioni

Info

Publication number
IT7848953A0
IT7848953A0 IT7848953A IT4895378A IT7848953A0 IT 7848953 A0 IT7848953 A0 IT 7848953A0 IT 7848953 A IT7848953 A IT 7848953A IT 4895378 A IT4895378 A IT 4895378A IT 7848953 A0 IT7848953 A0 IT 7848953A0
Authority
IT
Italy
Prior art keywords
rephthalonitrile
recovery
procedure
solutions
Prior art date
Application number
IT7848953A
Other languages
English (en)
Original Assignee
Lummus Co
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
Application filed by Lummus Co filed Critical Lummus Co
Publication of IT7848953A0 publication Critical patent/IT7848953A0/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C255/00—Carboxylic acid nitriles

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
IT7848953A 1977-04-28 1978-04-18 Procedimento per il recupero di te reftalonitrile da soluzioni IT7848953A0 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/791,838 US4116999A (en) 1977-04-28 1977-04-28 Recovery of terephthalonitrile

Publications (1)

Publication Number Publication Date
IT7848953A0 true IT7848953A0 (it) 1978-04-18

Family

ID=25154942

Family Applications (1)

Application Number Title Priority Date Filing Date
IT7848953A IT7848953A0 (it) 1977-04-28 1978-04-18 Procedimento per il recupero di te reftalonitrile da soluzioni

Country Status (7)

Country Link
US (1) US4116999A (it)
JP (1) JPS53141238A (it)
DE (1) DE2817509C2 (it)
FR (1) FR2388791A1 (it)
GB (1) GB1582918A (it)
IT (1) IT7848953A0 (it)
NL (1) NL7804411A (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5045156A (en) * 1991-01-09 1991-09-03 Nalco Chemical Company Distillation of isophthalonitrile with a hydrocarbon liquid
US5605606A (en) * 1993-07-19 1997-02-25 Nalco/Exxon Energy Chemicals. L.P. Removal foulants from distillation train using non-solvent precipitation
JP5017756B2 (ja) * 2001-07-16 2012-09-05 三菱瓦斯化学株式会社 高純度メタキシリレンジアミンの製造方法
WO2006001298A1 (ja) * 2004-06-23 2006-01-05 Mitsubishi Gas Chemical Company, Inc. 高純度キシリレンジアミンの製造方法
CN109651196B (zh) * 2018-12-27 2021-06-29 江阴苏利化学股份有限公司 一种百菌清塔式连续凝华收料的工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2842584A (en) * 1956-12-11 1958-07-08 Carbogen Corp Production of succinonitrile
US3206378A (en) * 1962-06-16 1965-09-14 Showa Denko Kk Purification of mixed isomers of dicyanobenzenes by vacuum distillation
US3472891A (en) * 1966-02-08 1969-10-14 Showa Denko Kk Process for continuous recovery of dicyanobenzenes
DE1618152C2 (de) * 1967-05-06 1975-05-07 Basf Ag, 6700 Ludwigshafen Verfahren zum Abscheiden von Phthalsäuredinitrilen aus Phthalsäuredinitril enthaltenden Reaktionsgasen
DE1569676B1 (de) * 1967-09-16 1970-05-14 Basf Ag Verfahren zur Herstellung von metallhaltigen Phthalocyaninen
US3732275A (en) * 1970-12-30 1973-05-08 Basf Ag Separating phthalonitriles from reaction gases containing the same
US3801620A (en) * 1971-08-23 1974-04-02 Sun Research Development Separation of liquid isophthalonitrile

Also Published As

Publication number Publication date
US4116999A (en) 1978-09-26
FR2388791B1 (it) 1983-10-28
NL7804411A (nl) 1978-10-31
GB1582918A (en) 1981-01-14
DE2817509C2 (de) 1985-06-20
DE2817509A1 (de) 1978-11-02
JPS53141238A (en) 1978-12-08
FR2388791A1 (fr) 1978-11-24

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