IT947736B - Purificazione di ammine - Google Patents

Purificazione di ammine

Info

Publication number: IT947736B
Authority: IT; Italy
Prior art keywords: amines; purification
Prior art date: 1971-02-24

Application number

IT2079172A

Other languages

English (en)

Italian (it)

Original Assignee

Ici Ltd

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.)

1971-02-24

Filing date

1972-02-19

Publication date

1973-05-30

1972-02-19 Application filed by Ici Ltd filed Critical Ici Ltd

1973-05-30 Application granted granted Critical

1973-05-30 Publication of IT947736B publication Critical patent/IT947736B/it

Links

150000001412 amines Chemical class 0.000 title 1
238000000746 purification Methods 0.000 title 1

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
- C08G18/76—Polyisocyanates or polyisothiocyanates cyclic aromatic
- C08G18/7614—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring
- C08G18/7621—Polyisocyanates or polyisothiocyanates cyclic aromatic containing only one aromatic ring being toluene diisocyanate including isomer mixtures

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

IT2079172A 1971-02-24 1972-02-19 Purificazione di ammine IT947736B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB533871		1971-02-24

Publications (1)

Publication Number	Publication Date
IT947736B true IT947736B (it)	1973-05-30

Family

ID=9794243

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT2079172A IT947736B (it)	1971-02-24	1972-02-19	Purificazione di ammine

Country Status (5)

Country	Link
DE (1)	DE2207492A1 (2)
FR (1)	FR2127732A5 (2)
GB (1)	GB1320879A (2)
IT (1)	IT947736B (2)
NL (1)	NL7202359A (2)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6469212B1 (en) *	2000-03-20	2002-10-22	Albemarle Corporation	Separation of 2,4-toluenediamine from an isomeric mixture of toluenediamines

1971
- 1971-02-24 GB GB1320879D patent/GB1320879A/en not_active Expired
1972
- 1972-02-17 DE DE19722207492 patent/DE2207492A1/de active Pending
- 1972-02-19 IT IT2079172A patent/IT947736B/it active
- 1972-02-23 NL NL7202359A patent/NL7202359A/xx unknown
- 1972-02-23 FR FR7206095A patent/FR2127732A5/fr not_active Expired

Also Published As

Publication number	Publication date
FR2127732A5 (2)	1972-10-13
DE2207492A1 (de)	1972-11-23
NL7202359A (2)	1972-08-28
GB1320879A (en)	1973-06-20

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