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    2.
    发明专利
    未知

    公开(公告)号：BR8501651A

    公开(公告)日：1985-12-03

    申请号：BR8501651

    申请日：1985-04-09

    Applicant: DEGUSSA

    Inventor： KISS AKOS ,  KLEINSCHMIT PETER ,  VOLKER WERNER ,  HALBRITTER GUNTER

    IPC: C09K11/08 ,  C09K11/54 ,  C09K11/55 ,  C09K11/59 ,  C09K11/64 ,  C09K11/66 ,  C09K11/67

    Abstract: There are described luminescent materials based on zinc silicate activated with manganese which are not sensitive to impurities are not susceptible to pulverizing, are temperature stable, and are stable to the customary ceramic glazes. They comprise, consist of (or consist essentially of): 1.5 to 94.8 mole % zinc oxide (ZnO) 1 to 90 mole % Silicon dioxide (SiO2) 0.2 to 1.3 mole % Manganese oxide (MnO) 0.1 to 25 mole % Alkali oxide and/or Alkaline earth oxide and/or Titanium oxide (TiO2) and/or Zirconium oxide (ZrO2) and/or Chromium oxide (Cr2O3) and/or Lead oxide (PbO) 0.1 to 23.8 mole % Sodium oxide (Na2O) 1.3 to 24 mole % Aluminum oxide (Al2O3) and 2.5 to 48 mole % Silicon dioxide (SiO2).

    4.
    发明专利
    未知

    公开(公告)号：PT87661B

    公开(公告)日：1992-10-30

    申请号：PT8766188

    申请日：1988-06-06

    Applicant: DEGUSSA

    Inventor： KLEINSCHMIT PETER ,  KISS AKOS ,  HANICH JURGEN ,  HALBRITTER GUNTER ,  HORST JENNY

    IPC: C09C3/06 ,  C09C1/00 ,  C09C1/40 ,  C09C1/42

    Abstract: Encapsulation pigments comprising chromophoric particles embedded in glaze-stable casings are prepared by means of calcination from the appropriate initial products. High yields and strong color intensities are obtained if the chromophoric substance or its initial compounds are bound in and/or to a zeolite and are calcined in this form with the remaining constituents.

    Crystal pptn. glazing compsn.
    7.
    发明专利
    Crystal pptn. glazing compsn. 未知

    公开(公告)号：FR2531700A1

    公开(公告)日：1984-02-17

    申请号：FR8312361

    申请日：1983-07-26

    Applicant: DEGUSSA

    Inventor： FISCHER ROBERT ,  AHNA HEINZ-DIETER DE ,  HALBRITTER GUNTER

    IPC: C03C8/02 ,  C03C8/20 ,  C03C5/02 ,  C03C9/00

    Abstract: Compsns. for glazing ceramic substrates consist, by wt., of 60-90% frit, 5-20% clay minerals as glaze aggregates and 2-10% pref. pyrogenic TiO2, 2-4% BaO, 5-10% Li2O, 2-6% Na2O, 0.5-10% CaO and opt. up to 9% K2O. K2I addn leads to specific pptn. effects, e.g. using K-contg. frits it is possible to obtain a white fired claze contg. round, silvery shiny crystals having dia. 2-5mm. Clearly distinguishable crystals are formed and specific glazing effects can be obtd. on ceramics, e.g. wall-plates and flagstones.

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