IT8583302A0 - ANHYDROUS SYNTHESIS OF MELAMINE UNDER HIGH PRESSURE. - Google Patents
ANHYDROUS SYNTHESIS OF MELAMINE UNDER HIGH PRESSURE.Info
- Publication number
- IT8583302A0 IT8583302A0 IT8583302A IT8330285A IT8583302A0 IT 8583302 A0 IT8583302 A0 IT 8583302A0 IT 8583302 A IT8583302 A IT 8583302A IT 8330285 A IT8330285 A IT 8330285A IT 8583302 A0 IT8583302 A0 IT 8583302A0
- Authority
- IT
- Italy
- Prior art keywords
- high pressure
- under high
- melamine under
- anhydrous synthesis
- anhydrous
- Prior art date
Links
- 229920000877 Melamine resin Polymers 0.000 title 1
- 230000015572 biosynthetic process Effects 0.000 title 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
- B01J3/04—Pressure vessels, e.g. autoclaves
- B01J3/042—Pressure vessels, e.g. autoclaves in the form of a tube
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US56840884A | 1984-01-05 | 1984-01-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8583302A0 true IT8583302A0 (en) | 1985-01-04 |
| IT1188084B IT1188084B (en) | 1987-12-30 |
Family
ID=24271166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT83302/85A IT1188084B (en) | 1984-01-05 | 1985-01-04 | HIGH PRESSURE ANHYDRAIN SYNTHESIS OF MELAMINE |
Country Status (16)
| Country | Link |
|---|---|
| JP (2) | JPS60208970A (en) |
| KR (1) | KR920001740B1 (en) |
| AT (1) | AT393124B (en) |
| AU (1) | AU568469B2 (en) |
| BR (1) | BR8500032A (en) |
| CA (1) | CA1220476A (en) |
| EG (1) | EG16900A (en) |
| ES (1) | ES8606303A1 (en) |
| FR (1) | FR2557876B1 (en) |
| GB (1) | GB2152505B (en) |
| IE (1) | IE57911B1 (en) |
| IT (1) | IT1188084B (en) |
| MX (1) | MX164901B (en) |
| NL (1) | NL193832C (en) |
| NO (1) | NO176795C (en) |
| NZ (1) | NZ210678A (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5514796A (en) * | 1995-06-07 | 1996-05-07 | Melamine Chemicals, Inc. | Melamine of improved purity produced by high-pressure, non-catalytic process |
| NL1002669C2 (en) * | 1996-03-21 | 1997-09-23 | Dsm Nv | Process for the preparation of melamine. |
| NL1003105C2 (en) * | 1996-05-14 | 1997-11-18 | Dsm Nv | Process for the preparation of melamine. |
| NL1003328C2 (en) * | 1996-06-13 | 1997-12-17 | Dsm Nv | Process for preparing melamine. |
| NL1003709C2 (en) * | 1996-07-30 | 1998-02-05 | Dsm Nv | Process for preparing melamine. |
| AU5346298A (en) * | 1996-12-16 | 1998-07-15 | Dsm N.V. | Method for the preparation of melamine |
| NL1004814C2 (en) * | 1996-12-18 | 1998-06-19 | Dsm Nv | High purity, white coloured melamine preparation from urea |
| NL1008571C2 (en) * | 1998-03-12 | 1999-07-28 | Dsm Nv | Crystalline melamine. |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1670286A1 (en) * | 1967-11-11 | 1971-01-28 | Basf Ag | Process for processing the waste gases produced during melamine synthesis |
| GB1218522A (en) * | 1969-01-24 | 1971-01-06 | Nissan Chemical Ind Ltd | A process for recovering the purified melamine |
| NL7903473A (en) * | 1979-05-03 | 1980-11-05 | Stamicarbon | METHOD FOR PREPARING MELAMINE. |
| NL8201479A (en) * | 1982-04-07 | 1983-11-01 | Stamicarbon | METHOD FOR PREPARING MELAMINE. |
-
1984
- 1984-12-18 IE IE3247/84A patent/IE57911B1/en not_active IP Right Cessation
- 1984-12-18 CA CA000470380A patent/CA1220476A/en not_active Expired
- 1984-12-19 NL NL8403843A patent/NL193832C/en not_active IP Right Cessation
- 1984-12-20 NZ NZ210678A patent/NZ210678A/en unknown
- 1984-12-26 EG EG817/84A patent/EG16900A/en active
- 1984-12-27 ES ES539126A patent/ES8606303A1/en not_active Expired
- 1984-12-27 NO NO845248A patent/NO176795C/en not_active IP Right Cessation
- 1984-12-29 JP JP59282026A patent/JPS60208970A/en active Granted
- 1984-12-31 KR KR1019840008590A patent/KR920001740B1/en not_active IP Right Cessation
-
1985
- 1985-01-04 AU AU37376/85A patent/AU568469B2/en not_active Expired
- 1985-01-04 AT AT21/85A patent/AT393124B/en not_active IP Right Cessation
- 1985-01-04 GB GB08500197A patent/GB2152505B/en not_active Expired
- 1985-01-04 MX MX203965A patent/MX164901B/en unknown
- 1985-01-04 BR BR8500032A patent/BR8500032A/en not_active IP Right Cessation
- 1985-01-04 IT IT83302/85A patent/IT1188084B/en active
- 1985-01-04 FR FR858500073A patent/FR2557876B1/en not_active Expired - Lifetime
-
1996
- 1996-01-24 JP JP8029814A patent/JP2757163B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| NO176795B (en) | 1995-02-20 |
| GB2152505B (en) | 1987-07-29 |
| FR2557876A1 (en) | 1985-07-12 |
| NZ210678A (en) | 1987-03-06 |
| NO176795C (en) | 1995-05-31 |
| IT1188084B (en) | 1987-12-30 |
| ATA2185A (en) | 1991-01-15 |
| ES8606303A1 (en) | 1986-04-16 |
| JPH0925271A (en) | 1997-01-28 |
| AU3737685A (en) | 1985-07-18 |
| GB2152505A (en) | 1985-08-07 |
| MX164901B (en) | 1992-09-30 |
| JP2757163B2 (en) | 1998-05-25 |
| BR8500032A (en) | 1985-08-13 |
| AU568469B2 (en) | 1987-12-24 |
| KR850005425A (en) | 1985-08-26 |
| ES539126A0 (en) | 1986-04-16 |
| AT393124B (en) | 1991-08-26 |
| JPH0557984B2 (en) | 1993-08-25 |
| JPS60208970A (en) | 1985-10-21 |
| IE843247L (en) | 1985-07-05 |
| NL8403843A (en) | 1985-08-01 |
| IE57911B1 (en) | 1993-05-19 |
| GB8500197D0 (en) | 1985-02-13 |
| KR920001740B1 (en) | 1992-02-24 |
| FR2557876B1 (en) | 1991-04-19 |
| NL193832C (en) | 2000-12-04 |
| EG16900A (en) | 1990-10-30 |
| NL193832B (en) | 2000-08-01 |
| NO845248L (en) | 1985-07-08 |
| CA1220476A (en) | 1987-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR860000204U (en) | Compact case | |
| KR880700384A (en) | Music synthesizer | |
| KR880701826A (en) | High pressure vortex injector | |
| IT8512436A0 (en) | CAPACITIVE PRESSURE DETECTOR | |
| IT1186833B (en) | CAPACITIVE PRESSURE DETECTOR INDEPENDENT OF TEMPERATURE | |
| MA20508A1 (en) | CHECKOUT | |
| DE69032548D1 (en) | Correlation calculator | |
| IT8583302A0 (en) | ANHYDROUS SYNTHESIS OF MELAMINE UNDER HIGH PRESSURE. | |
| IT8520606A0 (en) | CHECK OF PERSONAL HANDCRAFTING. | |
| ES280650Y (en) | WARDROBE | |
| ES548643A0 (en) | SIGNAL SYNTHESIZER | |
| IT1231914B (en) | PROTEIN SYNTHESIS INHIBITOR | |
| ATA901285A (en) | DISINTEGRATOR | |
| IT1182222B (en) | L-FRUCTOSE SYNTHESIS PROCEDURE | |
| IT1225761B (en) | PROTEIN SYNTHESIS INHIBITOR | |
| DK3085D0 (en) | WATER BASED PRESSURES | |
| IT8120222A0 (en) | SYNTHESIS PROCESS OF 5(3-4-5 TRIMETHOXY-BENZYL ) 2-4DIAMINOPYRIMIDINE. | |
| KR850008377U (en) | Showcase | |
| IT8021682V0 (en) | TRANSDUCER IN PARTICULAR TO MEASURE THE EXPANSION OF THE THORACIC CASE. | |
| GB8611212D0 (en) | Measuring high pressure | |
| IT1196732B (en) | CASH REGISTER | |
| IT1208752B (en) | WORD COMPOSER | |
| IT8635899V0 (en) | WORD COMPOSER | |
| MX158092A (en) | IMPROVEMENTS IN MANOMETER | |
| BR6801437U (en) | MANOMETRIC COLUMN |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19981231 |