DE3302833C2 - - Google Patents
Info
- Publication number
- DE3302833C2 DE3302833C2 DE19833302833 DE3302833A DE3302833C2 DE 3302833 C2 DE3302833 C2 DE 3302833C2 DE 19833302833 DE19833302833 DE 19833302833 DE 3302833 A DE3302833 A DE 3302833A DE 3302833 C2 DE3302833 C2 DE 3302833C2
- Authority
- DE
- Germany
- 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
- C07D—HETEROCYCLIC COMPOUNDS
- C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
- C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
- C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D251/26—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with only hetero atoms directly attached to ring carbon atoms
- C07D251/40—Nitrogen atoms
- C07D251/54—Three nitrogen atoms
- C07D251/56—Preparation of melamine
- C07D251/60—Preparation of melamine from urea or from carbon dioxide and ammonia
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Gas Separation By Absorption (AREA)
- Treating Waste Gases (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833302833 DE3302833A1 (de) | 1983-01-28 | 1983-01-28 | Verfahren zur herstellung von melamin |
JP1221184A JPS59141570A (ja) | 1983-01-28 | 1984-01-27 | メラミンの製法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833302833 DE3302833A1 (de) | 1983-01-28 | 1983-01-28 | Verfahren zur herstellung von melamin |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3302833A1 DE3302833A1 (de) | 1984-08-02 |
DE3302833C2 true DE3302833C2 (US20020033762A1-20020321-P00098.png) | 1987-01-15 |
Family
ID=6189435
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19833302833 Granted DE3302833A1 (de) | 1983-01-28 | 1983-01-28 | Verfahren zur herstellung von melamin |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS59141570A (US20020033762A1-20020321-P00098.png) |
DE (1) | DE3302833A1 (US20020033762A1-20020321-P00098.png) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1004814C2 (nl) * | 1996-12-18 | 1998-06-19 | Dsm Nv | Werkwijze voor het bereiden van melamine. |
AU5346298A (en) * | 1996-12-16 | 1998-07-15 | Dsm N.V. | Method for the preparation of melamine |
EP2050740A1 (de) * | 2007-10-15 | 2009-04-22 | Basf Se | Verfahren zur Herstellung von Melamin |
-
1983
- 1983-01-28 DE DE19833302833 patent/DE3302833A1/de active Granted
-
1984
- 1984-01-27 JP JP1221184A patent/JPS59141570A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS59141570A (ja) | 1984-08-14 |
DE3302833A1 (de) | 1984-08-02 |
JPH0369346B2 (US20020033762A1-20020321-P00098.png) | 1991-10-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8330 | Complete disclaimer |