AR203241A1 - Metodo mejorado para producir isocianatos - Google Patents

Metodo mejorado para producir isocianatos

Info

Publication number
AR203241A1
AR203241A1 AR259191A AR25919175A AR203241A1 AR 203241 A1 AR203241 A1 AR 203241A1 AR 259191 A AR259191 A AR 259191A AR 25919175 A AR25919175 A AR 25919175A AR 203241 A1 AR203241 A1 AR 203241A1
Authority
AR
Argentina
Prior art keywords
improved method
producing isocyanates
isocyanates
producing
improved
Prior art date
Application number
AR259191A
Other languages
English (en)
Original Assignee
Atlantic Richfield Co
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 Atlantic Richfield Co filed Critical Atlantic Richfield Co
Application granted granted Critical
Publication of AR203241A1 publication Critical patent/AR203241A1/es

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/04—Preparation of derivatives of isocyanic acid from or via carbamates or carbamoyl halides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AR259191A 1974-06-13 1975-06-13 Metodo mejorado para producir isocianatos AR203241A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US479077A US3919278A (en) 1974-06-13 1974-06-13 Production of isocyanates from lower alkyl esters of mononuclear aromatic carbamic acids

Publications (1)

Publication Number Publication Date
AR203241A1 true AR203241A1 (es) 1975-08-22

Family

ID=23902574

Family Applications (1)

Application Number Title Priority Date Filing Date
AR259191A AR203241A1 (es) 1974-06-13 1975-06-13 Metodo mejorado para producir isocianatos

Country Status (13)

Country Link
US (1) US3919278A (es)
JP (1) JPS5113745A (es)
AR (1) AR203241A1 (es)
BE (1) BE830135A (es)
BR (1) BR7503729A (es)
CA (1) CA1049029A (es)
DE (1) DE2526193B2 (es)
ES (1) ES438494A1 (es)
FR (1) FR2274608A1 (es)
GB (1) GB1503965A (es)
IT (1) IT1038828B (es)
NL (1) NL7506999A (es)
ZA (1) ZA753548B (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4133868A (en) * 1977-08-16 1979-01-09 Idram Engineering Company Est. Isocyanates process III
JPS5679657A (en) * 1979-12-04 1981-06-30 Mitsui Toatsu Chem Inc Novel preparation of polyisocyanate
DE3047898A1 (de) * 1980-12-19 1982-07-15 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern und die verwendung von hierbei anfallenden isocyanate und carbamidsaeureester aufweisenden gemischen zur herstellung von isocyanaten
DE3108990A1 (de) * 1981-03-10 1982-09-23 Bayer Ag, 5090 Leverkusen Verfahren zur herstellung von polyisocyanaten
US4487713A (en) * 1981-06-26 1984-12-11 Exxon Research & Engineering Co. Production of isocyanates from esters of aromatic carbamic acids (urethanes)
DE3215591A1 (de) * 1982-04-27 1983-10-27 Bayer Ag, 5090 Leverkusen Verfahren zur kontinuierlichen thermischen spaltung von carbamidsaeureestern
US4633010A (en) * 1982-12-27 1986-12-30 American Cyanamid Company Tertiary aralkyl triurethane
IT1164223B (it) * 1983-05-13 1987-04-08 Anic Spa Procedimento perfezionato per la produzione di isocianati alchilici
JPS6427716A (en) * 1987-07-21 1989-01-30 Nippon Steel Corp Manufacture of corrosion resistant duplex tube
DE3915181A1 (de) * 1989-05-10 1990-11-15 Bayer Ag Verfahren zur herstellung von polyisocyanaten
DE4137428A1 (de) * 1991-11-14 1993-05-19 Bayer Ag Verfahren zur herstellung von polyisocyanaten
DE4141402A1 (de) * 1991-12-16 1993-06-17 Bayer Ag Verfahren zur herstellung von hochreinen aromatischen di- und/oder polyurethanen
US5233010A (en) * 1992-10-15 1993-08-03 Monsanto Company Process for preparing isocyanate and carbamate ester products
EP0680994A1 (en) * 1994-05-02 1995-11-08 Nippon Paint Co., Ltd. Re-Crosslinkable composition and method for recycling using the same
DE59705128D1 (de) * 1996-03-15 2001-12-06 Bayer Ag Verfahren zur thermischen Spaltung von Carbamidsäureestern
CN1186317C (zh) * 2000-02-29 2005-01-26 亨茨曼国际有限公司 制备有机多异氰酸酯的方法
EP2507205B1 (de) * 2009-12-01 2014-07-16 Basf Se Verfahren zur herstellung von isocyanaten durch thermische spaltung von carbamaten
CN103140473B (zh) * 2010-10-04 2016-06-01 旭化成株式会社 分离方法和异氰酸酯的制造方法

Family Cites Families (1)

* 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

Also Published As

Publication number Publication date
BE830135A (fr) 1975-10-01
IT1038828B (it) 1979-11-30
NL7506999A (nl) 1975-12-16
US3919278A (en) 1975-11-11
BR7503729A (pt) 1976-07-06
DE2526193A1 (de) 1975-12-18
DE2526193B2 (de) 1978-03-30
CA1049029A (en) 1979-02-20
GB1503965A (en) 1978-03-15
FR2274608B1 (es) 1980-08-08
AU8167375A (en) 1976-12-02
ES438494A1 (es) 1977-02-01
JPS5113745A (es) 1976-02-03
FR2274608A1 (fr) 1976-01-09
ZA753548B (en) 1976-04-28

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