FR2091813A5 - - Google Patents
Info
- Publication number
- FR2091813A5 FR2091813A5 FR7118229A FR7118229A FR2091813A5 FR 2091813 A5 FR2091813 A5 FR 2091813A5 FR 7118229 A FR7118229 A FR 7118229A FR 7118229 A FR7118229 A FR 7118229A FR 2091813 A5 FR2091813 A5 FR 2091813A5
- Authority
- FR
- France
- 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 |
|---|---|
| FR2091813A5 true FR2091813A5 (de) | 1972-01-14 |
Family
ID=26716446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7118229A Expired FR2091813A5 (de) | 1970-05-22 | 1971-05-19 |
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) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0000463A1 (de) | 1977-07-12 | 1979-01-24 | P C U K Produits Chimiques Ugine Kuhlmann | Verfahren zur Trennung von Toluoldiisocyanat aus Herstellungsgemischen |
| FR2625742A1 (fr) * | 1988-01-13 | 1989-07-13 | Rhone Poulenc Chimie | Procede de separation du toluene diisocyanate contenu dans les residus de sa fabrication |
| WO1990009990A1 (en) * | 1989-03-03 | 1990-09-07 | The Lubrizol Corporation | A process for distillation of crude isocyanate concentrates |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0000463A1 (de) | 1977-07-12 | 1979-01-24 | P C U K Produits Chimiques Ugine Kuhlmann | Verfahren zur Trennung von Toluoldiisocyanat aus Herstellungsgemischen |
| FR2625742A1 (fr) * | 1988-01-13 | 1989-07-13 | Rhone Poulenc Chimie | Procede de separation du toluene diisocyanate contenu dans les residus de sa fabrication |
| EP0324701B1 (de) * | 1988-01-13 | 1991-11-27 | Rhone-Poulenc Chimie | Verfahren zur Trennung von Toluoldiisocyanat aus seinen Herstellungsrückständen |
| WO1990009990A1 (en) * | 1989-03-03 | 1990-09-07 | The Lubrizol Corporation | A process for distillation of crude isocyanate concentrates |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2124498C3 (de) | 1979-12-20 |
| DE2124498B2 (de) | 1974-03-14 |
| JPS5133091B1 (de) | 1976-09-17 |
| DE2124498A1 (de) | 1972-08-03 |
| CA998060A (en) | 1976-10-05 |
| GB1331541A (en) | 1973-09-26 |