EG14499A - Method for the preparation of melamine - Google Patents

Method for the preparation of melamine

Info

Publication number
EG14499A
EG14499A EG80265A EG26580A EG14499A EG 14499 A EG14499 A EG 14499A EG 80265 A EG80265 A EG 80265A EG 26580 A EG26580 A EG 26580A EG 14499 A EG14499 A EG 14499A
Authority
EG
Egypt
Prior art keywords
melamine
gas mixture
desublimator
gas
urea
Prior art date
Application number
EG80265A
Other languages
English (en)
Inventor
Van Hardeveld Rudolf
Original Assignee
Stamicarbon
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19833094&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EG14499(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Stamicarbon filed Critical Stamicarbon
Application granted granted Critical
Publication of EG14499A publication Critical patent/EG14499A/xx

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)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Catalysts (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
  • Saccharide Compounds (AREA)
  • Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
  • Fertilizers (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Treating Waste Gases (AREA)
  • Cosmetics (AREA)
EG80265A 1979-05-03 1980-04-30 Method for the preparation of melamine EG14499A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7903473A NL7903473A (nl) 1979-05-03 1979-05-03 Werkwijze voor het bereiden van melamine.

Publications (1)

Publication Number Publication Date
EG14499A true EG14499A (en) 1985-03-31

Family

ID=19833094

Family Applications (1)

Application Number Title Priority Date Filing Date
EG80265A EG14499A (en) 1979-05-03 1980-04-30 Method for the preparation of melamine

Country Status (19)

Country Link
US (1) US4348520A (es)
EP (1) EP0018695B1 (es)
JP (2) JPS55149268A (es)
AT (1) ATE1504T1 (es)
BR (1) BR8002683A (es)
CA (1) CA1128515A (es)
CS (1) CS220766B2 (es)
DE (1) DE3060795D1 (es)
EG (1) EG14499A (es)
ES (1) ES491105A0 (es)
HU (1) HU184276B (es)
IN (1) IN153077B (es)
NL (1) NL7903473A (es)
NO (1) NO154393C (es)
PL (1) PL223958A1 (es)
RO (1) RO79649A (es)
SU (1) SU1060109A3 (es)
YU (1) YU40776B (es)
ZA (2) ZA802416B (es)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8201479A (nl) * 1982-04-07 1983-11-01 Stamicarbon Werkwijze voor het bereiden van melamine.
US4565867A (en) * 1984-01-05 1986-01-21 Melamine Chemicals, Inc. Anhydrous high-pressure melamine synthesis
CA1220476A (en) * 1984-01-05 1987-04-14 David E. Best Anhydrous high-pressure melamine synthesis
DE3500188C2 (de) * 1984-01-05 1994-08-18 Melamine Chemicals Inc Wasserfreie Hochdruck-Melamin-Synthese
JP2684409B2 (ja) * 1988-03-31 1997-12-03 コニカ株式会社 シアノ基および／またはハロゲン原子で置換されたアニリン類の製造方法およびその製造のために使用される化合物
US5389134A (en) * 1994-07-18 1995-02-14 Xerox Corporation Ink compositions for ink jet printing
US20030028020A1 (en) * 2001-07-27 2003-02-06 Gupta Ram B. Process for the synthesis of high purity melamine
DE102005023041B4 (de) * 2005-05-06 2007-10-11 Lurgi Ag Verfahren zum Herstellen von Melamin mit Wärmerückgewinnung
DE102005023042B4 (de) * 2005-05-06 2007-10-31 Lurgi Ag Verfahren zur Herstellung von Melamin
EP2050740A1 (de) * 2007-10-15 2009-04-22 Basf Se Verfahren zur Herstellung von Melamin
DE102008032425B4 (de) * 2008-07-10 2015-07-30 Air Liquide Global E&C Solutions Germany Gmbh Verfahren und Anlage zur Herstellung von Melamin
DE102009052420C5 (de) * 2009-11-10 2014-05-22 Lurgi Gmbh Verfahren zur kontinuierlichen Herstellung von Melamin
CN113375133A (zh) * 2021-06-23 2021-09-10 四川金象赛瑞化工股份有限公司 利用三聚氰胺生产系统生产高品位蒸汽生产装置及其生产高品位蒸汽的方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1670126A1 (de) * 1966-08-09 1970-10-29 Basf Ag Verfahren zur Kuehlung der bei der Melaminsynthese erhaltenen Abgase
DE1670286A1 (de) * 1967-11-11 1971-01-28 Basf Ag Verfahren zur Aufarbeitung der bei der Melaminsynthese anfallenden Abgase
DE1812120C3 (de) * 1968-12-02 1974-02-28 Basf Ag, 6700 Ludwigshafen Verfahren zur Herstellung von Melamin
US3700672A (en) * 1969-04-15 1972-10-24 Nissan Chemical Ind Ltd Process for recovering by-product gases at high pressure in melamine production
US3723430A (en) * 1970-10-28 1973-03-27 Nissan Chemical Ind Ltd Method for reclamation of melamine waste gas
US3895007A (en) * 1972-04-28 1975-07-15 Basf Ag Manufacture of melamine
NL178487C (nl) * 1976-03-26 1986-04-01 Stamicarbon Inrichting en werkwijze voor het versproeien van een vloeistof.
RO74590A (ro) * 1977-01-19 1981-08-30 Stamicarbon Bv,Nl Procedeu de preparare a melaminei din uree

Also Published As

Publication number Publication date
ES8101057A1 (es) 1980-12-01
ATE1504T1 (de) 1982-09-15
RO79649A (ro) 1982-08-17
IN153077B (es) 1984-05-26
DE3060795D1 (en) 1982-10-28
NO154393C (no) 1986-09-10
JPS55149267A (en) 1980-11-20
EP0018695A1 (en) 1980-11-12
YU40776B (en) 1986-06-30
EP0018695B1 (en) 1982-09-01
CS220766B2 (en) 1983-04-29
ZA802416B (en) 1981-04-29
NL7903473A (nl) 1980-11-05
YU117880A (en) 1983-10-31
ES491105A0 (es) 1980-12-01
ZA802417B (en) 1981-04-29
HU184276B (en) 1984-07-30
CA1128515A (en) 1982-07-27
JPS55149268A (en) 1980-11-20
NO154393B (no) 1986-06-02
PL223958A1 (es) 1981-02-13
US4348520A (en) 1982-09-07
BR8002683A (pt) 1980-12-16
SU1060109A3 (ru) 1983-12-07
NO801283L (no) 1980-11-04

Similar Documents

Publication Publication Date Title
DE3060795D1 (en) Method for the preparation of melamine
GB1500096A (en) Method of carrying out endothermic processes
DE3565680D1 (en) Process for the preparation of urea
YU284782A (en) Process for the manufacture of melamine by means of catalytic conversion of carbamide in the presence of gaseous nh3 or an nh3containing gaseous mixture
ES8402277A1 (es) Un procedimiento mejorado para la preparacion de melamina.
BG96104A (bg) Метод за производство на карбамид с висок енергиен коефициент на полезно действие
JPS57106672A (en) Method of decomposing trace components at one time in melamine synthesis reaction waste gas
EP0416236A3 (en) Process for the isolation isocyanic acid from a gaseous mixture of isocyanic acid and ammonia
ES8101056A1 (es) Metodo para la preparacion de melamina
ES426480A1 (es) Un procedimiento para preparar urea.
ES466103A1 (es) Un procedimiento para preparar melamina.
GB1147734A (en) Method for the preparation of urea
GB1156448A (en) Process for the production of Calcium Cyanamide
ATE40343T1 (de) Verfahren zur herstellung von cyanamid.
GB904418A (en) Production of acrylonitrile
GB1104710A (en) Process for making ammonia and urea
JPS57197272A (en) Production of n-alkylmorpholine