Production of printing blocks
    12.
    发明专利

    公开(公告)号:GB1063627A

    公开(公告)日:1967-03-30

    申请号:GB2730164

    申请日:1964-07-02

    Applicant: BASF AG

    Inventor: OLSEN BJOERN

    Abstract: 1,063,627. Photo-mechanical printing plates. BADISCHE ANILIN - & SODA FABRIK A. G. July 2, 1964 [July 6, 1963], No.27301/64. Heading G2M. A light-hardenable layer on a support is exposed imagewise, and the unexposed areas are removed by oscillating the material relative to a rubbing surface under pressure and in the presence of solvents and for swelling agents for the unexposed areas, the oscillations being at least 2 per second and the diameter of the paths being less than 100 mm. Specified solvents are methyl, ethyl, n-propyl and isopropyl alcohol.

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