Quarternary ammonium compounds and their use as...

Quarternary ammonium compounds as anti-tussive agents

Quarternary ammonium compounds useful for inhibiting metal...

Quarternary ammonium polyarylamides, articles of manufacture...

Quarternary ammonium salts of sulfonated triarylphosphines

Quarternary ammonium salts useful as cationic polymerization...

Quarternary oxaziridinium salts as bleaching compounds

Quarternary substituted bleach activators

Quartz crystal resonators

Quartz glass doped with rare earth element and production...

Quartz glass micro-photoreactor and synthesis of...

Quartz glass optical fiber

Quartz glass with reduced ultraviolet radiation...

Quartz-based solid surfaces

Quartz-to-metal seal

Quasi-crystalline boehmites containing additives

Quasi-crystalline hydrated magnesium-aluminium hydroxy...

Quasi-interpenetrating networks used as separation media

Quasi-one-dimensional polymers based on the...

Quasi-prepolymers of aliphatic diisocyanates and...