NL291785A - - Google Patents
Info
- Publication number
- NL291785A NL291785A NL291785DA NL291785A NL 291785 A NL291785 A NL 291785A NL 291785D A NL291785D A NL 291785DA NL 291785 A NL291785 A NL 291785A
- Authority
- NL
- Netherlands
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 (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US22327262A | 1962-09-12 | 1962-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL291785A true NL291785A (en) |
Family
ID=22835790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL291785D NL291785A (en) | 1962-09-12 |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1243178B (en) |
| GB (1) | GB1040417A (en) |
| NL (1) | NL291785A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3329124A1 (en) * | 1983-08-11 | 1985-02-28 | Bayer Ag, 5090 Leverkusen | METHOD FOR PURIFYING POLYISOCYANATES AND THE POLYISOCYANATES SO PURIFIED |
| DE3430022A1 (en) * | 1984-08-16 | 1986-02-27 | Bayer Ag, 5090 Leverkusen | METHOD FOR OBTAINING PURE DIISOCYANATES |
| DE102011051467A1 (en) | 2011-06-30 | 2013-01-03 | Buss-Sms-Canzler Gmbh | Process for the recovery of tolylene diisocyanate from liquid residues of toluene diisocyanate production |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1133721B (en) * | 1959-06-12 | 1962-07-26 | Ici Ltd | Process for the removal of impurities from crude reaction solutions obtained in the production of organic isocyanates by phosgenation of primary amines in the presence of inert solvents |
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0
- NL NL291785D patent/NL291785A/xx unknown
-
1963
- 1963-04-24 GB GB1616263A patent/GB1040417A/en not_active Expired
- 1963-05-02 DE DEO9396A patent/DE1243178B/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| DE1243178B (en) | 1967-06-29 |
| GB1040417A (en) | 1966-08-24 |