ATE473207T1 - Verfahren zur destillation eines gemisches isomerer diisocyanatodiphenylmethane - Google Patents

Verfahren zur destillation eines gemisches isomerer diisocyanatodiphenylmethane

Info

Publication number: ATE473207T1
Authority: AT; Austria
Prior art keywords: mixture; distilling; isomeric diisocyanatodiphenylmethanes; diisocyanatodiphenylmethanes; isomeric
Prior art date: 2003-05-08

Application number

AT04009786T

Other languages

German (de)

English (en)

Inventor

Hans-Peter Schal

Ulrich Wolf

Bernd Thelen

Original Assignee

Bayer Materialscience 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.)

2003-05-08

Filing date

2004-04-24

Publication date

2010-07-15

2004-04-24 Application filed by Bayer Materialscience Ag filed Critical Bayer Materialscience Ag

2010-07-15 Application granted granted Critical

2010-07-15 Publication of ATE473207T1 publication Critical patent/ATE473207T1/de

Links

239000000203 mixture Substances 0.000 title abstract 2
JIABEENURMZTTI-UHFFFAOYSA-N 1-isocyanato-2-[(2-isocyanatophenyl)methyl]benzene Chemical compound O=C=NC1=CC=CC=C1CC1=CC=CC=C1N=C=O JIABEENURMZTTI-UHFFFAOYSA-N 0.000 abstract 1
LFSYUSUFCBOHGU-UHFFFAOYSA-N 1-isocyanato-2-[(4-isocyanatophenyl)methyl]benzene Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=CC=C1N=C=O LFSYUSUFCBOHGU-UHFFFAOYSA-N 0.000 abstract 1
UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 abstract 1
238000004821 distillation Methods 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/18—Separation; Purification; Stabilisation; Use of additives
- C07C263/20—Separation; Purification

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

AT04009786T 2003-05-08 2004-04-24 Verfahren zur destillation eines gemisches isomerer diisocyanatodiphenylmethane ATE473207T1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE10320504		2003-05-08
DE102004001872A DE102004001872A1 (de)	2003-05-08	2004-01-14	Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane

Publications (1)

Publication Number	Publication Date
ATE473207T1 true ATE473207T1 (de)	2010-07-15

Family

ID=33440660

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT04009786T ATE473207T1 (de)	2003-05-08	2004-04-24	Verfahren zur destillation eines gemisches isomerer diisocyanatodiphenylmethane

Country Status (5)

Country	Link
AT (1)	ATE473207T1 (es)
DE (2)	DE102004001872A1 (es)
ES (1)	ES2346873T3 (es)
PT (1)	PT1475367E (es)
TW (1)	TW200505827A (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP3687650A1 (en) *	2017-09-28	2020-08-05	ExxonMobil Research and Engineering Company	Dual-dividing wall column with multiple products

2004
- 2004-01-14 DE DE102004001872A patent/DE102004001872A1/de not_active Withdrawn
- 2004-04-24 ES ES04009786T patent/ES2346873T3/es not_active Expired - Lifetime
- 2004-04-24 PT PT04009786T patent/PT1475367E/pt unknown
- 2004-04-24 AT AT04009786T patent/ATE473207T1/de active
- 2004-04-24 DE DE502004011353T patent/DE502004011353D1/de not_active Expired - Lifetime
- 2004-05-07 TW TW093112837A patent/TW200505827A/zh unknown

Also Published As

Publication number	Publication date
TW200505827A (en)	2005-02-16
ES2346873T3 (es)	2010-10-21
PT1475367E (pt)	2010-09-06
DE102004001872A1 (de)	2004-12-09
DE502004011353D1 (de)	2010-08-19

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