Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group ivb metal
Patent
1997-01-02
1998-04-28
Lander, Ferris
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group ivb metal
423610, C01G 2300, C01G 23047
Patent
active
057441081
ABSTRACT:
The present invention relates to a process for the production of titanium dioxide pigments and the use thereof.
REFERENCES:
patent: 2721787 (1955-10-01), Hettrick
patent: 4076796 (1978-02-01), Reh et al.
Orbit Abstract of EP 0 396 975 (Nov. 14, 1990).
Orbit Abstract of EP 0 418 632 (Mar. 27, 1991).
Abstract of DE 2524540 (Dec. 23, 1976).
DIN 55 983, Testing of pigments, comparison of colour of white pigments in full shade systems, pp. 284-286, Dec. 1983.
DIN ISO 787, General methods of test for pigments and extenders; comparison of colour, in full-shade systems, of white, black and coloured pigments--Colorimetric method; Identical with ISO/DIS 787-25: 1991; pp. 1-15, Mar. 1992.
Ullmanns Enzyklopadie der techn. Chemie, 4.sup.th Edition, vol. 18, p. 574, Jan. 1982.
Orbit Abstract of DE 38 40 196 (Apr. 12, 1990).
1991:45065 Prep of Tit Dioxide Pigments, 1990, Wiederhoeft et al.
1994:80746 Buetje et al, Manufacture of High Purity Titania, 1993.
Bayer Eckhard
Holle Bernd-Michael
Krekel Jorg
Bayer AG
Lander Ferris
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