O-Nitro-o-azaarylidene photobleachable dyes and photographic ele
O-sulfonamidonaphthol diffusible dye image providing compounds
Odor absorbing container with an absorbent material between...
Odor adsorptive filter for refrigerators and freezers
Odor eliminating material and manufacturing method thereof
Off gas extraction and chemical recovery system and related...
Offset printing plate
Oil seal liquid separator
Oil separator for a compressor
Oil separator for a welder
Oil separator rotor for lubrication enclosure
Oil tank for dry sump engines
Oil-and water repellent gas-permeable filter
Oil/gas separation membrane, its use in gas sensor and...
Oily mist resistant electret filter media
Onboard hydrogen storage unit with heat transfer system for...
One bath type silver dye bleaching and silver bleaching
Operating room filter systems
Optical dirty cell sensor for an electronic air cleaner
Organic azo pigment sensitizers for photoconductive layers