BE633862A - - Google Patents

Info

Publication number
BE633862A
BE633862A BE633862DA BE633862A BE 633862 A BE633862 A BE 633862A BE 633862D A BE633862D A BE 633862DA BE 633862 A BE633862 A BE 633862A
Authority
BE
Belgium
Application number
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.)
Publication of BE633862A publication Critical patent/BE633862A/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C273/00Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups
    • C07C273/18Preparation of urea or its derivatives, i.e. compounds containing any of the groups, the nitrogen atoms not being part of nitro or nitroso groups of substituted ureas
    • C07C273/1872Preparation of compounds comprising a -N-C(O)-N-C(O)-N- moiety
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00Polymeric products of isocyanates or isothiocyanates
    • C08G18/06Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72Polyisocyanates or polyisothiocyanates
    • C08G18/77Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
    • C08G18/78Nitrogen
    • C08G18/7806Nitrogen containing -N-C=0 groups
    • C08G18/7818Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups
    • C08G18/7831Nitrogen containing -N-C=0 groups containing ureum or ureum derivative groups containing biuret groups

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BE633862D 1962-06-27 BE633862A (US06559137-20030506-C00071.png)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF37173A DE1165580B (de) 1962-06-27 1962-06-27 Verfahren zur Herstellung von Polyisocyanaten mit Biuret-Struktur

Publications (1)

Publication Number Publication Date
BE633862A true BE633862A (US06559137-20030506-C00071.png)

Family

ID=7096769

Family Applications (1)

Application Number Title Priority Date Filing Date
BE633862D BE633862A (US06559137-20030506-C00071.png) 1962-06-27

Country Status (4)

Country Link
BE (1) BE633862A (US06559137-20030506-C00071.png)
DE (1) DE1165580B (US06559137-20030506-C00071.png)
GB (1) GB1043672A (US06559137-20030506-C00071.png)
NL (1) NL294647A (US06559137-20030506-C00071.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2308015B2 (de) * 1973-02-17 1980-07-31 Bayer Ag, 5090 Leverkusen Verfahren zur Herstellung von Polyisocyanaten mit Biuretstruktur
DE2856864A1 (de) 1978-12-30 1980-07-24 Bayer Ag Neue polyisocyanate, ein verfahren zu ihrer herstellung und ihre verwendung
DE3007679A1 (de) 1980-02-29 1981-09-10 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten mit biuretstruktur
DE3403277A1 (de) * 1984-01-31 1985-08-01 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten mit biuretstruktur
DE3403278A1 (de) * 1984-01-31 1985-08-01 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten mit biuretstruktur
DE3742181A1 (de) * 1987-12-12 1989-06-22 Bayer Ag Verfahren zur herstellung von biuretpolyisocyanaten, die nach diesem verfahren erhaltenen verbindungen und ihre verwendung
CN115925580B (zh) * 2022-11-22 2024-06-07 宁夏瑞泰科技股份有限公司 资源化利用hdi精馏残渣的方法及缩二脲多异氰酸酯

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL238495A (US06559137-20030506-C00071.png) * 1958-04-24

Also Published As

Publication number Publication date
GB1043672A (en) 1966-09-21
NL294647A (US06559137-20030506-C00071.png)
DE1165580B (de) 1964-03-19

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