BE741724A - - Google Patents
Info
- Publication number
- BE741724A BE741724A BE741724DA BE741724A BE 741724 A BE741724 A BE 741724A BE 741724D A BE741724D A BE 741724DA BE 741724 A BE741724 A BE 741724A
- Authority
- BE
- Belgium
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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/36—Connections of cable or wire to brush
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 |
|---|---|---|---|
| NL6816385.A NL161750C (nl) | 1968-11-16 | 1968-11-16 | Werkwijze voor het afscheiden van melamine uit een gasvormig reactiemengsel van melamine, ammoniak en kooldioxyde. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE741724A true BE741724A (en:Method) | 1970-05-14 |
Family
ID=19805172
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE741724D BE741724A (en:Method) | 1968-11-16 | 1969-11-14 |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3598818A (en:Method) |
| AT (1) | AT292007B (en:Method) |
| BE (1) | BE741724A (en:Method) |
| BR (1) | BR6914208D0 (en:Method) |
| CS (1) | CS166720B2 (en:Method) |
| DE (1) | DE1957387C3 (en:Method) |
| ES (1) | ES373584A1 (en:Method) |
| FR (1) | FR2023466A1 (en:Method) |
| GB (1) | GB1225597A (en:Method) |
| NL (1) | NL161750C (en:Method) |
| NO (1) | NO126324B (en:Method) |
| PL (1) | PL80554B1 (en:Method) |
| SE (1) | SE364278B (en:Method) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL8201479A (nl) * | 1982-04-07 | 1983-11-01 | Stamicarbon | Werkwijze voor het bereiden van melamine. |
| NL8304381A (nl) * | 1983-12-21 | 1985-07-16 | Stamicarbon | Werkwijze en inrichting voor het bereiden van melamine. |
| IT1261841B (it) * | 1993-08-23 | 1996-06-03 | Conser Spa | Procedimento per la produzione di melammina ad alta purezza. |
| US5384404A (en) * | 1993-11-05 | 1995-01-24 | Lee; Jing M. | Process for manufacturing melamine from urea |
| IT1315255B1 (it) * | 1999-11-16 | 2003-02-03 | Eurotecnica Dev And Licensing | Procedimento di purificazione della melammina. |
| NL1015929C2 (nl) * | 2000-08-14 | 2002-02-18 | Dsm Nv | Werkwijze voor de bereiding van melamine uit ureum. |
| ITMI20021026A1 (it) * | 2002-05-14 | 2003-11-14 | Eurotecnica Dev & Licensing S | Processo di produzione di melammina da urea e particolarmente per ottenere off-gas privi di melammina nello stadio di prima separazione |
-
1968
- 1968-11-16 NL NL6816385.A patent/NL161750C/xx not_active IP Right Cessation
-
1969
- 1969-11-13 GB GB1225597D patent/GB1225597A/en not_active Expired
- 1969-11-14 NO NO04532/69A patent/NO126324B/no unknown
- 1969-11-14 BR BR214208/69A patent/BR6914208D0/pt unknown
- 1969-11-14 FR FR6939167A patent/FR2023466A1/fr not_active Withdrawn
- 1969-11-14 BE BE741724D patent/BE741724A/xx not_active IP Right Cessation
- 1969-11-14 DE DE1957387A patent/DE1957387C3/de not_active Expired
- 1969-11-15 ES ES373584A patent/ES373584A1/es not_active Expired
- 1969-11-15 PL PL1969136924A patent/PL80554B1/pl unknown
- 1969-11-17 CS CS7555A patent/CS166720B2/cs unknown
- 1969-11-17 US US877224A patent/US3598818A/en not_active Expired - Lifetime
- 1969-11-17 AT AT1072469A patent/AT292007B/de not_active IP Right Cessation
- 1969-11-17 SE SE15769/69A patent/SE364278B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR2023466A1 (en:Method) | 1970-08-21 |
| AT292007B (de) | 1971-08-10 |
| NL161750C (nl) | 1980-03-17 |
| US3598818A (en) | 1971-08-10 |
| DE1957387B2 (de) | 1978-01-12 |
| PL80554B1 (en:Method) | 1975-08-30 |
| NL161750B (nl) | 1979-10-15 |
| GB1225597A (en:Method) | 1971-03-17 |
| CS166720B2 (en:Method) | 1976-03-29 |
| DE1957387C3 (de) | 1978-09-21 |
| SE364278B (en:Method) | 1974-02-18 |
| NL6816385A (en:Method) | 1970-05-20 |
| NO126324B (en:Method) | 1973-01-22 |
| ES373584A1 (es) | 1972-02-01 |
| BR6914208D0 (pt) | 1973-05-10 |
| DE1957387A1 (de) | 1970-06-04 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: STAMICARBON N.V. Effective date: 19871130 |