BR8006864A - Processo para a preparacao de uretanas e seu emprego na preparacao de isocianatos - Google Patents

Processo para a preparacao de uretanas e seu emprego na preparacao de isocianatos

Info

Publication number
BR8006864A
BR8006864A BR8006864A BR8006864A BR8006864A BR 8006864 A BR8006864 A BR 8006864A BR 8006864 A BR8006864 A BR 8006864A BR 8006864 A BR8006864 A BR 8006864A BR 8006864 A BR8006864 A BR 8006864A
Authority
BR
Brazil
Prior art keywords
preparation
alcohol
isocyanate
uretans
isocians
Prior art date
Application number
BR8006864A
Other languages
English (en)
Inventor
K Findeisen
R Fauss
K Konig
P Heitkamper
Original Assignee
Bayer Ag
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=6084588&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BR8006864(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of BR8006864A publication Critical patent/BR8006864A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C271/00—Derivatives of carbamic acids, i.e. compounds containing any of the groups, the nitrogen atom not being part of nitro or nitroso groups
    • C07C271/06—Esters of carbamic acids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Catalysts (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Circuits Of Receivers In General (AREA)
  • External Artificial Organs (AREA)
  • Peptides Or Proteins (AREA)
BR8006864A 1979-10-27 1980-10-24 Processo para a preparacao de uretanas e seu emprego na preparacao de isocianatos BR8006864A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792943549 DE2943549A1 (de) 1979-10-27 1979-10-27 Verfahren zur herstellung von urethanen und ihre verwendung zur herstellung von isocyanaten

Publications (1)

Publication Number Publication Date
BR8006864A true BR8006864A (pt) 1981-04-28

Family

ID=6084588

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8006864A BR8006864A (pt) 1979-10-27 1980-10-24 Processo para a preparacao de uretanas e seu emprego na preparacao de isocianatos

Country Status (10)

Country Link
US (1) US4594441A (pt)
EP (1) EP0027954B1 (pt)
JP (1) JPS57112362A (pt)
AT (1) ATE1857T1 (pt)
AU (1) AU538607B2 (pt)
BR (1) BR8006864A (pt)
CA (1) CA1144563A (pt)
DE (2) DE2943549A1 (pt)
ES (1) ES8106884A1 (pt)
ZA (1) ZA806549B (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8402995D0 (en) * 1984-02-04 1984-03-07 Bp Chem Int Ltd Transesterification process
JPH03289743A (ja) * 1990-04-05 1991-12-19 Nec Shizuoka Ltd 電話器
CN102015615A (zh) * 2008-04-01 2011-04-13 Sk化学株式会社 使用脂肪酸制备脂肪酸烷基酯的方法
CN102634382A (zh) * 2012-03-22 2012-08-15 东营职业学院 一种超声空化金属弱酸盐催化地沟油制备生物柴油的方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2409712A (en) * 1944-02-03 1946-10-22 Du Pont Chemical process and products
US2806051A (en) * 1955-11-01 1957-09-10 Goodrich Co B F Method for preparing urethanes by reacting urea, amines and an alcohol
US3098093A (en) * 1961-02-06 1963-07-16 Eastman Kodak Co Process for the production of esters by alcoholysis
US3950285A (en) * 1974-04-04 1976-04-13 Atlantic Richfield Company Preparation of polymeric urethanes from dicarbamates

Also Published As

Publication number Publication date
JPS57112362A (en) 1982-07-13
ATE1857T1 (de) 1982-12-15
EP0027954B1 (de) 1982-11-24
US4594441A (en) 1986-06-10
DE2943549A1 (de) 1981-05-07
DE3061163D1 (en) 1982-12-30
EP0027954A1 (de) 1981-05-06
JPS6411016B2 (pt) 1989-02-23
ES496233A0 (es) 1981-09-16
CA1144563A (en) 1983-04-12
AU538607B2 (en) 1984-08-23
ZA806549B (en) 1981-11-25
ES8106884A1 (es) 1981-09-16
AU6371780A (en) 1981-04-30

Similar Documents

Publication Publication Date Title
JPS57112363A (en) Manufacture of n,o-disubstituted urethane suitable for manufacturing isocyanate as starting substance
MX3416E (es) Procedimiento mejorado para la obtencion de poliesteres termoplasticos modificados
GB955488A (en) Preparation of polyether polyols of sucrose
BR8200433A (pt) Composicoes e processo para inibir o crescimento das plantas,emprego e processo para a preparacao de composicoes
FI855055A (fi) Foerening, som baserar sig pao aotminstone ett cellulosa-estergrupp innehaollande derivat, foerfarande foer erhaollande av foereningen och cellulosa-estergrupper innehaollande fiber.
GB916575A (en) 4-hydroxy-2-butynyl n-(3-halophenyl) carbamates and process for preparing same
GB1030305A (en) Organic polyisocyanates
SE7611110L (sv) Polyol med lag viskositet
BR8204655A (pt) Poliaminas processo para a preparacao de poliaminas e seu emprego
Reeve et al. The Reaction of Propylene Oxide with Methanol1
BR8006864A (pt) Processo para a preparacao de uretanas e seu emprego na preparacao de isocianatos
BR8806934A (pt) Uretanos formados de alcoois alifaticos fluorados,isocianatos e compostos aromaticos substituidos,processo para a sua obtencao e sua utilizacao
JPS56103153A (en) Urethane manufacture
BR8605583A (pt) Uretanas,contendo grupos perfluoralquila,grupos epicloridrina e radicais de dialcool,processo para a sua obtencao e utilizacao
BR8008830A (pt) Processo para revestimento de reatores por uso de aplicacao de vapor de composto organico
ES309063A1 (es) Procedimiento de obtencion de composiciones de poliisocianato.
DK197987A (da) Oligourethaner med frie isocyanatgrupper, deres fremstilling og anvendelse som bindemiddel eller bindemiddelkomponent i fugtighedshaerdende 1-komponent-lakker
BR9306176A (pt) Processo para preparaçao de aminas polioxialcoiladas
US3790560A (en) Derivatives of lincomycin and its analogs and process
US2605292A (en) Preparation of butylene glycol ethers
GB1366691A (en) Fluorinated compounds containing functional groups
BR7400599D0 (pt) Processo para a obtencao de um composto organico, bem como processo e composicao de avivamento otico com emprego de tal composto
GB915751A (en) Substituted alanines
GB1022641A (en) A process for the preparation of dicarbamates with non-identical carbamate groups from diols
GB811510A (en) New nitrogen-containing derivatives of polyhydroxy compounds and process for the preparation thereof