CA998060A - Recovery of organic isocyanate - Google Patents
Recovery of organic isocyanateInfo
- Publication number
- CA998060A CA998060A CA108,889A CA108889A CA998060A CA 998060 A CA998060 A CA 998060A CA 108889 A CA108889 A CA 108889A CA 998060 A CA998060 A CA 998060A
- Authority
- CA
- Canada
- Prior art keywords
- recovery
- organic isocyanate
- isocyanate
- organic
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3977970A | 1970-05-22 | 1970-05-22 | |
US10373471A | 1971-01-04 | 1971-01-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
CA998060A true CA998060A (en) | 1976-10-05 |
Family
ID=26716446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA108,889A Expired CA998060A (en) | 1970-05-22 | 1971-03-26 | Recovery of organic isocyanate |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5133091B1 (de) |
CA (1) | CA998060A (de) |
DE (1) | DE2124498C3 (de) |
FR (1) | FR2091813A5 (de) |
GB (1) | GB1331541A (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2397396A1 (fr) | 1977-07-12 | 1979-02-09 | Ugine Kuhlmann | Procede de recuperation du toluene diisocyanate a partir des residus de fabrication |
FR2625742B1 (fr) * | 1988-01-13 | 1990-06-22 | Rhone Poulenc Chimie | Procede de separation du toluene diisocyanate contenu dans les residus de sa fabrication |
JP3001970B2 (ja) * | 1989-03-03 | 2000-01-24 | ザ ルブリゾル コーポレーション | 粗イソシアネート濃縮物の蒸溜方法 |
DE10260093A1 (de) * | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch |
US20210284603A1 (en) * | 2017-01-18 | 2021-09-16 | Covestro Deutschland Ag | Method for extracting diisocyanates from distillation residues |
-
1971
- 1971-03-26 CA CA108,889A patent/CA998060A/en not_active Expired
- 1971-03-27 JP JP1765671A patent/JPS5133091B1/ja active Pending
- 1971-05-13 GB GB1475971A patent/GB1331541A/en not_active Expired
- 1971-05-18 DE DE19712124498 patent/DE2124498C3/de not_active Expired
- 1971-05-19 FR FR7118229A patent/FR2091813A5/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2124498C3 (de) | 1979-12-20 |
JPS5133091B1 (de) | 1976-09-17 |
FR2091813A5 (de) | 1972-01-14 |
GB1331541A (en) | 1973-09-26 |
DE2124498B2 (de) | 1974-03-14 |
DE2124498A1 (de) | 1972-08-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |
Effective date: 19931005 |