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 (fr) |
Family
ID=22835790
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL291785D NL291785A (fr) | 1962-09-12 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1243178B (fr) |
GB (1) | GB1040417A (fr) |
NL (1) | NL291785A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3329124A1 (de) * | 1983-08-11 | 1985-02-28 | Bayer Ag, 5090 Leverkusen | Verfahren zur reinigung von polyisocyanaten und die so gereinigten polyisocyanate |
DE3430022A1 (de) * | 1984-08-16 | 1986-02-27 | Bayer Ag, 5090 Leverkusen | Verfahren zur gewinnung von reinen diisocyanaten |
DE102011051467A1 (de) | 2011-06-30 | 2013-01-03 | Buss-Sms-Canzler Gmbh | Verfahren zur Gewinnung von Toluylendiisocyanat aus flüssigen Rückständen der Toluylendiisocyanatherstellung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1133721B (de) * | 1959-06-12 | 1962-07-26 | Ici Ltd | Verfahren zur Entfernung von Verunreinigungen aus rohen bei der Herstellung von organischen Isocyanaten durch Phosgenierung primaerer Amine in Gegenwart von inerten Loesungs-mitteln erhaltenen Reaktionsloesungen |
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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/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE1243178B (de) | 1967-06-29 |
GB1040417A (en) | 1966-08-24 |