BRPI0516941A - processo para a produção de uma corrente aquosa que compreende melanina e aldeìdo - Google Patents

processo para a produção de uma corrente aquosa que compreende melanina e aldeìdo

Info

Publication number
BRPI0516941A
BRPI0516941A BRPI0516941-0A BRPI0516941A BRPI0516941A BR PI0516941 A BRPI0516941 A BR PI0516941A BR PI0516941 A BRPI0516941 A BR PI0516941A BR PI0516941 A BRPI0516941 A BR PI0516941A
Authority
BR
Brazil
Prior art keywords
melanin
aqueous stream
aldehyde
producing
stream
Prior art date
Application number
BRPI0516941-0A
Other languages
English (en)
Inventor
Nora Anna De Wit
Hendrik Derk Hoving
Hendrinus Marinus Verschoor
Henricus Antonius Maria Duisters
Original Assignee
Dsm Ip Assets Bv
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
Application filed by Dsm Ip Assets Bv filed Critical Dsm Ip Assets Bv
Publication of BRPI0516941A publication Critical patent/BRPI0516941A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
    • C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
    • C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
    • C08G12/32—Melamines
    • 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
    • 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
    • C07D251/64—Condensation products of melamine with aldehydes; Derivatives thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Phenolic Resins Or Amino Resins (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Fertilizers (AREA)

Abstract

PROCESSO PARA A PRODUçãO DE UMA CORRENTE AQUOSA QUE COMPREENDE MELANINA E ALDEìDO. Processo para a produção de uma corrente aquosa que compreende melanina e aldeído na qual uma corrente aquosa que compreende melanina é contatada com uma corrente que compreende aldeído, a corrente aquosa que compreende melanina originando de uma planta de melanina, e processo para a produção de uma corrente aquosa que compreende melanina, uréia e aldeído na qual a corrente aquosa que compreende melanina e uma corrente que compreende uréia estão sendo contatadas com uma corrente que compreende uréia, a corrente aquosa que compreende melanina originando de uma planta de melanina.
BRPI0516941-0A 2004-10-22 2005-09-30 processo para a produção de uma corrente aquosa que compreende melanina e aldeìdo BRPI0516941A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1027314A NL1027314C2 (nl) 2004-10-22 2004-10-22 Werkwijze voor de produktie van een melamine en aldehyde bevattende waterige stroom.
PCT/NL2005/000712 WO2006043805A1 (en) 2004-10-22 2005-09-30 Process for the production of an aqueous stream comprising melamine and aldehyde

Publications (1)

Publication Number Publication Date
BRPI0516941A true BRPI0516941A (pt) 2008-09-23

Family

ID=34974176

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0516941-0A BRPI0516941A (pt) 2004-10-22 2005-09-30 processo para a produção de uma corrente aquosa que compreende melanina e aldeìdo

Country Status (13)

Country Link
US (1) US20090026414A1 (pt)
EP (1) EP1802673A1 (pt)
JP (1) JP2008518043A (pt)
KR (1) KR20070067162A (pt)
CN (1) CN101044177A (pt)
AU (1) AU2005296439A1 (pt)
BR (1) BRPI0516941A (pt)
CA (1) CA2581720A1 (pt)
EA (1) EA010550B1 (pt)
NL (1) NL1027314C2 (pt)
NO (1) NO20072580L (pt)
TW (1) TW200628456A (pt)
WO (1) WO2006043805A1 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005022228A1 (de) * 2005-05-10 2006-11-23 Ami-Agrolinz Melamine International Gmbh Melamin-Formaldehyd Harzlösung und Verfahren zu deren Herstellung
WO2013081552A1 (en) * 2011-11-29 2013-06-06 Agency For Science, Technology And Research Melamine Aldehyde Polymers

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH398530A (de) * 1957-10-30 1966-03-15 Montedison Spa Kontinuierliches Verfahren zur Herstellung von haltbaren konzentrierten wässrigen Harnstoff, Formaldehyd und Harnstoff-Formaldehyd-Kondensationsprodukte enthaltenden Lösungen
US3458464A (en) * 1968-10-01 1969-07-29 Allied Chem Production of melamine-urea-formaldehyde concentrates
JPS5573651A (en) * 1978-11-30 1980-06-03 Toyo Eng Corp Preparation of urea
US4663387A (en) * 1985-04-02 1987-05-05 Kuwait Institute For Scientific Research Utilization of melamine waste effluent
US4797433A (en) * 1985-04-02 1989-01-10 Kuwait Institute For Scientific Research Utilization of melamine waste effluent
DE3828793A1 (de) * 1988-08-25 1990-03-01 Basf Ag Kontinuierliche herstellung von waessrigen melamin-formaldehyd-vorkondensat-loesungen
NL1023303C2 (nl) * 2003-04-29 2004-11-01 Dsm Nv Werkwijze voor de bereiding van een ureum- en formaldehydebevattende waterige oplossing.

Also Published As

Publication number Publication date
NO20072580L (no) 2007-05-22
US20090026414A1 (en) 2009-01-29
EP1802673A1 (en) 2007-07-04
CN101044177A (zh) 2007-09-26
EA200700915A1 (ru) 2007-10-26
TW200628456A (en) 2006-08-16
WO2006043805A1 (en) 2006-04-27
AU2005296439A1 (en) 2006-04-27
JP2008518043A (ja) 2008-05-29
CA2581720A1 (en) 2006-04-27
EA010550B1 (ru) 2008-10-30
KR20070067162A (ko) 2007-06-27
NL1027314C2 (nl) 2006-04-25

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Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE AO NAO RECOLHIMENTO DA 7A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2212 DE 28/05/2013.