GB1438637A - Isocyanates - Google Patents

Isocyanates

Info

Publication number
GB1438637A
GB1438637A GB4533172A GB4533172A GB1438637A GB 1438637 A GB1438637 A GB 1438637A GB 4533172 A GB4533172 A GB 4533172A GB 4533172 A GB4533172 A GB 4533172A GB 1438637 A GB1438637 A GB 1438637A
Authority
GB
United Kingdom
Prior art keywords
diisocyanate
tertiary amine
storage stable
active
isocyanates
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4533172A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries Ltd
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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Priority to GB4533172A priority Critical patent/GB1438637A/en
Priority to JP49009176A priority patent/JPS50101344A/ja
Publication of GB1438637A publication Critical patent/GB1438637A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C265/00—Derivatives of isocyanic acid
    • C07C265/14—Derivatives of isocyanic acid containing at least two isocyanate groups bound to the same carbon skeleton
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Paints Or Removers (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)

Abstract

1438637 Storage stable diphenyl methane diisocyanate IMPERIAL CHEMICAL INDUSTRIES Ltd 21 Dec 1973 [2 Oct 1972] 45331/72 Heading C2C The invention comprises a storage stable composition comprising a diphenylmethane diisocyanate and a tertiary amine which does not contain any, active hydrogen atoms and which is present in an amount of not more than two equivalents of tertiary amine to each equivalent of active or hydrolysable chlorine in the diisocyanate.
GB4533172A 1972-10-02 1972-10-02 Isocyanates Expired GB1438637A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB4533172A GB1438637A (en) 1972-10-02 1972-10-02 Isocyanates
JP49009176A JPS50101344A (en) 1972-10-02 1974-01-21

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4533172A GB1438637A (en) 1972-10-02 1972-10-02 Isocyanates
JP49009176A JPS50101344A (en) 1972-10-02 1974-01-21

Publications (1)

Publication Number Publication Date
GB1438637A true GB1438637A (en) 1976-06-09

Family

ID=26265567

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4533172A Expired GB1438637A (en) 1972-10-02 1972-10-02 Isocyanates

Country Status (2)

Country Link
JP (1) JPS50101344A (en)
GB (1) GB1438637A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5194559A (en) * 1991-03-25 1993-03-16 Mitsui Toatsu Chemicals, Inc. Optical urethane resins and plastic lenses comprising the same
DE102004005320A1 (en) * 2004-02-04 2005-08-25 Bayer Materialscience Ag Preparation of di- and polysocyanates of the diphenylmethane series with defined acidity
JP4606918B2 (en) * 2005-03-25 2011-01-05 三井化学株式会社 Compositions containing stabilized aliphatic and / or alicyclic isocyanates

Also Published As

Publication number Publication date
JPS50101344A (en) 1975-08-11

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee