by a liquid phase reaction process, e.g. through a gel phase

Full Title

Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags > Manufacture of glass fibres or filaments > Manufacture of preforms for drawing fibres or filaments > made entirely or partially by chemical means > by a liquid phase reaction process, e.g. through a gel phase

Classification Context

Section:

CHEMISTRY; METALLURGY

Class:

GLASS; MINERAL OR SLAG WOOL

Subclass:

MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL; SUPPLEMENTARY PROCESSES IN THE MANUFACTURE OR SHAPING OF GLASS, OR OF MINERAL OR SLAG WOOL