Multiple emulsions and methods of preparation
N,N'-bis-aromaticformamidines useful as sunscreening agents
Near-azeotropic compositions constituted by hydrogenated fluoroc
New photochromic materials and method for their preparation
Non-crystalline substance having an optical memory effect
Non-flammable aerosol propellant microemulsion system
Non-ionic surface active compounds
Nonaqueous suspension concentrates of highly water-soluble solid
Novel liquid membrane formulations and use thereof
Novel liquid membrane formulations and uses thereof
Novel translucent water in oil emulsions
O/W/O type multiple emulsion and method of preparing the same
Oil-in-alcohol emulsified composition
Oil-in-water emulsions
Oil-in-water emulsions
Oil-in-water or water-in-oil suspensions and uses therefor
Optical filter for neodymium laser light
Optically clear organosilicon compounds
Organo-antimony oxide sols and coating compositions thereof
Organoclay compositions manufactured with organic acid derived e