GB1331541A - Organic isocyanates - Google Patents
Organic isocyanatesInfo
- Publication number
- GB1331541A GB1331541A GB1475971A GB1475971A GB1331541A GB 1331541 A GB1331541 A GB 1331541A GB 1475971 A GB1475971 A GB 1475971A GB 1475971 A GB1475971 A GB 1475971A GB 1331541 A GB1331541 A GB 1331541A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tar
- isocyanate
- aromatic
- thinning agent
- residue component
- 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
- 239000012948 isocyanate Substances 0.000 title abstract 8
- 150000002513 isocyanates Chemical class 0.000 title abstract 8
- 239000012749 thinning agent Substances 0.000 abstract 5
- -1 alcohol radicals Chemical class 0.000 abstract 3
- 239000000203 mixture Substances 0.000 abstract 3
- RFFLAFLAYFXFSW-UHFFFAOYSA-N 1,2-dichlorobenzene Chemical compound ClC1=CC=CC=C1Cl RFFLAFLAYFXFSW-UHFFFAOYSA-N 0.000 abstract 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 abstract 2
- 150000005840 aryl radicals Chemical class 0.000 abstract 2
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000007788 liquid Substances 0.000 abstract 2
- 159000000032 aromatic acids Chemical class 0.000 abstract 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 abstract 1
- 150000008365 aromatic ketones Chemical class 0.000 abstract 1
- 150000008378 aryl ethers Chemical class 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000009835 boiling Methods 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 238000011084 recovery Methods 0.000 abstract 1
- 125000001174 sulfone group Chemical group 0.000 abstract 1
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)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (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 |
|---|---|
| GB1331541A true GB1331541A (en) | 1973-09-26 |
Family
ID=26716446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1475971A Expired GB1331541A (en) | 1970-05-22 | 1971-05-13 | Organic isocyanates |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5133091B1 (enrdf_load_stackoverflow) |
| CA (1) | CA998060A (enrdf_load_stackoverflow) |
| DE (1) | DE2124498C3 (enrdf_load_stackoverflow) |
| FR (1) | FR2091813A5 (enrdf_load_stackoverflow) |
| GB (1) | GB1331541A (enrdf_load_stackoverflow) |
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 |
| ES2073021T3 (es) * | 1989-03-03 | 1995-08-01 | Lubrizol Corp | Un procedimiento para la destilacion de concentrados de isocianatos brutos. |
| DE10260093A1 (de) * | 2002-12-19 | 2004-07-01 | Basf Ag | Verfahren zur Abtrennung von Isocyanaten aus einem Reaktionsgemisch |
| WO2018134238A1 (de) * | 2017-01-18 | 2018-07-26 | Covestro Deutschland Ag | Verfahren zur rückgewinnung von diisocyanaten aus destillationsrückständen |
-
1971
- 1971-03-26 CA CA108,889A patent/CA998060A/en not_active Expired
- 1971-03-27 JP JP46017656A 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 |
|---|---|
| DE2124498B2 (enrdf_load_stackoverflow) | 1974-03-14 |
| DE2124498C3 (de) | 1979-12-20 |
| JPS5133091B1 (enrdf_load_stackoverflow) | 1976-09-17 |
| DE2124498A1 (enrdf_load_stackoverflow) | 1972-08-03 |
| FR2091813A5 (enrdf_load_stackoverflow) | 1972-01-14 |
| CA998060A (en) | 1976-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PCNP | Patent ceased through non-payment of renewal fee |