48.
    发明专利
    未知

    公开(公告)号:SE437379B

    公开(公告)日:1985-02-25

    申请号:SE7706732

    申请日:1977-06-09

    Applicant: BAYER AG

    Abstract: This invention relates to a new process for the preparation of oligourethanes having isocyanate end groups blocked with alkanol and/or cycloalkanol groups, the compounds which can be obtained by this process and their use for the production of polyurethane resins by the isocyanate polyaddition process.

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