NL7406894A - - Google Patents

Info

Publication number
NL7406894A
NL7406894A NL7406894A NL7406894A NL7406894A NL 7406894 A NL7406894 A NL 7406894A NL 7406894 A NL7406894 A NL 7406894A NL 7406894 A NL7406894 A NL 7406894A NL 7406894 A NL7406894 A NL 7406894A
Authority
NL
Netherlands
Application number
NL7406894A
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 filed Critical
Publication of NL7406894A publication Critical patent/NL7406894A/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C263/00—Preparation of derivatives of isocyanic acid
    • C07C263/18—Separation; Purification; Stabilisation; Use of additives
    • C07C263/20—Separation; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyurethanes Or Polyureas (AREA)
NL7406894A 1973-05-29 1974-05-22 NL7406894A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2537073A GB1417087A (en) 1973-05-29 1973-05-29 Polyisocyanates

Publications (1)

Publication Number Publication Date
NL7406894A true NL7406894A (enrdf_load_stackoverflow) 1974-12-03

Family

ID=10226582

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7406894A NL7406894A (enrdf_load_stackoverflow) 1973-05-29 1974-05-22

Country Status (10)

Country Link
JP (1) JPS5826337B2 (enrdf_load_stackoverflow)
AR (1) AR202214A1 (enrdf_load_stackoverflow)
BE (1) BE815525A (enrdf_load_stackoverflow)
BR (1) BR7404304D0 (enrdf_load_stackoverflow)
DE (1) DE2425658A1 (enrdf_load_stackoverflow)
ES (1) ES426730A1 (enrdf_load_stackoverflow)
FR (1) FR2231709B1 (enrdf_load_stackoverflow)
GB (1) GB1417087A (enrdf_load_stackoverflow)
IT (1) IT1012607B (enrdf_load_stackoverflow)
NL (1) NL7406894A (enrdf_load_stackoverflow)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1483957A (en) * 1975-05-19 1977-08-24 Ici Ltd Diphenylmethane diisocyanate compositions
US4055548A (en) * 1976-09-17 1977-10-25 The Upjohn Company Storage-stable liquid polyisocyanate composition
DE2815554A1 (de) 1978-04-11 1979-10-25 Basf Ag Schwerentflammbare polyurethan-weichschaumstoffe
US4237240A (en) 1979-04-09 1980-12-02 Basf Aktiengesellschaft Process for the manufacture of flexible polyurethane foams with high load-bearing and high energy-absorption capacity
US4287132A (en) 1980-09-29 1981-09-01 Atlantic Richfield Company Preparation of polyisocyanates from polycarbamates
JP2660588B2 (ja) * 1989-11-30 1997-10-08 日本ポリウレタン工業株式会社 軟質ポリウレタン発泡体の製造方法
JP2875877B2 (ja) * 1990-10-23 1999-03-31 三井化学株式会社 メチレン架橋ポリフェニレンポリイソシアネートの製造方法
DE4200236A1 (de) * 1992-01-08 1993-07-15 Bayer Ag Verfahren zur isolierung von polyisocyanat-isomeren aus polyisocyanatgemischen
EP1475367B1 (de) * 2003-05-08 2010-07-07 Bayer MaterialScience AG Verfahren zur Destillation eines Gemisches isomerer Diisocyanatodiphenylmethane
DE502004002275D1 (de) * 2003-09-24 2007-01-25 Basf Ag Monomerarmes Gemisch, enthaltend polymeres MDI
CA2813552C (en) * 2008-10-06 2015-01-20 Huntsman International Llc Process for the simultaneous production of different mixtures of diisocyanate isomers of the diphenylmethane series
EP3498689A1 (en) * 2017-12-14 2019-06-19 Sulzer Chemtech AG A plant and method for purifying an isomeric monomer, such as 4,4'-methylene diphenyl diisocyanate, from a crude mixture

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2105193C3 (de) * 1971-02-04 1981-07-09 Chemie-Anlagenbau Bischofsheim GmbH, 4500 Osnabrück Verfahren zur Trennung eines organischen Polyisocyanatgemisches

Also Published As

Publication number Publication date
AR202214A1 (es) 1975-05-23
GB1417087A (en) 1975-12-10
BE815525A (fr) 1974-11-25
JPS5035142A (enrdf_load_stackoverflow) 1975-04-03
JPS5826337B2 (ja) 1983-06-02
ES426730A1 (es) 1976-07-01
IT1012607B (it) 1977-03-10
BR7404304D0 (pt) 1975-09-30
FR2231709B1 (enrdf_load_stackoverflow) 1978-01-20
DE2425658A1 (de) 1974-12-19
FR2231709A1 (enrdf_load_stackoverflow) 1974-12-27

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Legal Events

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