High-pressure phase silicon nitride having a cubic spinel...
High-purity quartz powder, process for producing the same,...
High-purity quartz powder, process for producing the same,...
High-purity quartz powder, process for producing the same,...
High-structure precipitated silicas
Higher order silane composition, method for manufacturing...
Highly absorbent, low bulk density sodium silicate
Highly condensed mesoporous silicate compositions and methods
Highly dispersible fine hydrophobic silica powder and...
Highly dispersible precipitated silica having a high surface...
Highly polishable, highly thermally conductive silicon carbide
Highly-active, finely divided super-dry silicon dioxide
Homostructured mixed organic and inorganic cation exchanged tape
Honeycomb structure and method for its manufacture
Hormite inclusion complex with adsorbed sulphur or sulphur donor
Hydride compounds with silicon and germanium core atoms and...
Hydrogen purification process
Hydrogenation of chlorosilanes to silane, SiH.sub.4, in bath of
Hydrophilic precipitated silica for defoamer formulations
Hydrophobic fumed silica and silicone rubber materials...