IT1147624B - Procedimento per convertire carbammati aromatici nei loro corrispondenti isocianati - Google Patents

Procedimento per convertire carbammati aromatici nei loro corrispondenti isocianati

Info

Publication number: IT1147624B
Authority: IT; Italy
Prior art keywords: procedure; corresponding isocyanates; aromatic carbamates; converting aromatic; carbamates
Prior art date: 1982-01-28

Application number

IT47810/82A

Other languages

English (en)

Other versions

IT8247810A0 (it

Inventor

Ralph J Spohn

Original Assignee

Exxon Research Engineering 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.)

1982-01-28

Filing date

1982-02-17

Publication date

1986-11-19

1982-01-28 Priority claimed from US06/343,584 external-priority patent/US4487713A/en

1982-02-17 Application filed by Exxon Research Engineering Co filed Critical Exxon Research Engineering Co

1982-02-17 Publication of IT8247810A0 publication Critical patent/IT8247810A0/it

1986-11-19 Application granted granted Critical

1986-11-19 Publication of IT1147624B publication Critical patent/IT1147624B/it

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C263/00—Preparation of derivatives of isocyanic acid
- C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides

Landscapes

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

IT47810/82A 1982-01-28 1982-02-17 Procedimento per convertire carbammati aromatici nei loro corrispondenti isocianati IT1147624B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US06/343,584 US4487713A (en)	1981-06-26	1982-01-28	Production of isocyanates from esters of aromatic carbamic acids (urethanes)

Publications (2)

Publication Number	Publication Date
IT8247810A0 IT8247810A0 (it)	1982-02-17
IT1147624B true IT1147624B (it)	1986-11-19

Family

ID=23346698

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT47810/82A IT1147624B (it)	1982-01-28	1982-02-17	Procedimento per convertire carbammati aromatici nei loro corrispondenti isocianati

Country Status (9)

Country	Link
JP (1)	JPS58128354A (it)
AU (1)	AU8054682A (it)
BR (1)	BR8200861A (it)
CA (1)	CA1176647A (it)
ES (1)	ES8304927A1 (it)
FR (1)	FR2520359A1 (it)
GB (1)	GB2113673B (it)
IT (1)	IT1147624B (it)
NL (1)	NL8200630A (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3420114A1 (de) *	1984-05-30	1985-12-05	Bayer Ag, 5090 Leverkusen	Verfahren zur herstellung von uretdiongruppen aufweisenden polyisocyanaten
CN110467546B (zh) *	2018-05-10	2021-03-19	中国科学院过程工程研究所	一种制备间苯二亚甲基二异氰酸酯的方法
CN110423208A (zh) *	2019-08-15	2019-11-08	中国科学院过程工程研究所	一种二苯甲烷二异氰酸酯的制备方法

1982
- 1982-02-10 CA CA000395987A patent/CA1176647A/en not_active Expired
- 1982-02-15 GB GB08204374A patent/GB2113673B/en not_active Expired
- 1982-02-17 FR FR8202594A patent/FR2520359A1/fr active Granted
- 1982-02-17 ES ES509683A patent/ES8304927A1/es not_active Expired
- 1982-02-17 IT IT47810/82A patent/IT1147624B/it active
- 1982-02-17 NL NL8200630A patent/NL8200630A/nl not_active Application Discontinuation
- 1982-02-17 BR BR8200861A patent/BR8200861A/pt unknown
- 1982-02-17 AU AU80546/82A patent/AU8054682A/en not_active Abandoned
- 1982-02-17 JP JP57024279A patent/JPS58128354A/ja active Pending

Also Published As

Publication number	Publication date
ES509683A0 (es)	1983-03-16
BR8200861A (pt)	1983-10-18
ES8304927A1 (es)	1983-03-16
FR2520359B3 (it)	1985-02-15
GB2113673A (en)	1983-08-10
AU8054682A (en)	1983-08-04
FR2520359A1 (fr)	1983-07-29
GB2113673B (en)	1986-08-06
IT8247810A0 (it)	1982-02-17
NL8200630A (nl)	1983-08-16
CA1176647A (en)	1984-10-23
JPS58128354A (ja)	1983-07-30

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