Plasma torch implemented air purifier

Plate fastener for an electrostatic precipitator cell

Plate heat exchanger

Plates comprising a photopolymerizable composition coated on a s

Pleated filter

Polarity reversing circuit for electrostatic precipitator...

Polyester film coated with adhesive polymer composition

Polyethylene terephthalate film for use as support for radiograp

Polymeric ammonium mordants for dye transfer

Polymeric films peelably adhered to a pressure-sensitive adhesiv

Polymeric quaternary dye image receiving layers with overcoat

Polymers which can be cross-linked by photopolymerization

Polyolefin coated photographic base and method of producing

Polysilicates in photographic products and processes

Polysulfonamide vesicular binders and processes of forming vesic

Polyurethane-polyanhydride subbing layer for photo sensitive ele

Portable air filter system

Portable air filtration system

Portable air filtration system utilizing a conductive...

Portable personal corona discharge device for destruction of air