Lead-free ceramic pink-coloring material consisting of chromium-

Details Lead-free ceramic pink-coloring material consisting of chromium- Lead-free ceramic pink-coloring material consisting of chromium-

1981-06-10

1982-11-09

McCarthy, Helen M.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

106299, 106306, C09C 134, C09C 306

Patent

active

043583210

ABSTRACT:
Ceramic pink-colored materials having the basis Ca-Sn-Cr-oxide, Ca-Sn-Si-Cr-oxide and Zr-Ti-Sn-Cr-oxide generally containing lead for the formation of an intense red color. The toxic lead can be eliminated by adding to the colored bodies 0.01-10% bismuth and/or phosphorus.

REFERENCES:
patent: 2234920 (1941-03-01), Stillwell
patent: 2419094 (1947-04-01), Sloan
patent: 3053685 (1962-09-01), Jamieson
patent: 3171753 (1965-03-01), Olby
Parmelee, C. W. Ceramic Glazes--2nd ed. pub. 1951 by Industrial Publications, Chicago, pp. 279-280.

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