IT8247810A0 - Procedimento per convertire carbammati aromatici nei loro corrispondenti isocianati - Google Patents
Procedimento per convertire carbammati aromatici nei loro corrispondenti isocianatiInfo
- Publication number
- IT8247810A0 IT8247810A0 IT8247810A IT4781082A IT8247810A0 IT 8247810 A0 IT8247810 A0 IT 8247810A0 IT 8247810 A IT8247810 A IT 8247810A IT 4781082 A IT4781082 A IT 4781082A IT 8247810 A0 IT8247810 A0 IT 8247810A0
- Authority
- IT
- Italy
- Prior art keywords
- procedure
- corresponding isocyanates
- aromatic carbamates
- converting aromatic
- converting
- Prior art date
Links
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 title 1
- 239000012948 isocyanate Substances 0.000 title 1
- 150000002513 isocyanates Chemical class 0.000 title 1
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)
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 true IT8247810A0 (it) | 1982-02-17 |
| IT1147624B 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) | ES509683A0 (it) |
| FR (1) | FR2520359A1 (it) |
| GB (1) | GB2113673B (it) |
| IT (1) | IT1147624B (it) |
| NL (1) | NL8200630A (it) |
Families Citing this family (3)
| 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 NL NL8200630A patent/NL8200630A/nl not_active Application Discontinuation
- 1982-02-17 BR BR8200861A patent/BR8200861A/pt unknown
- 1982-02-17 JP JP57024279A patent/JPS58128354A/ja active Pending
- 1982-02-17 AU AU80546/82A patent/AU8054682A/en not_active Abandoned
- 1982-02-17 FR FR8202594A patent/FR2520359A1/fr active Granted
- 1982-02-17 IT IT47810/82A patent/IT1147624B/it active
- 1982-02-17 ES ES509683A patent/ES509683A0/es active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL8200630A (nl) | 1983-08-16 |
| JPS58128354A (ja) | 1983-07-30 |
| BR8200861A (pt) | 1983-10-18 |
| FR2520359A1 (fr) | 1983-07-29 |
| FR2520359B3 (it) | 1985-02-15 |
| GB2113673B (en) | 1986-08-06 |
| CA1176647A (en) | 1984-10-23 |
| ES8304927A1 (es) | 1983-03-16 |
| AU8054682A (en) | 1983-08-04 |
| IT1147624B (it) | 1986-11-19 |
| ES509683A0 (es) | 1983-03-16 |
| GB2113673A (en) | 1983-08-10 |
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