Photo-mask with regions having a differing optical transmissivit

Photochromic plastic lens and its method of manufacture

Photocurable diorganopolysiloxanes containing thioalkyl (meth) a

Photocured silicone sealant having improved adhesion to plastic

Planarizing ladder-type silsequioxane polymer insulation layer

Plasma chemical vapor deposition SiO.sub.2-x coated articles and

Plasma sprayed mullite coatings on silicon-base ceramics

Plastic articles having multi-layer antireflection coatings, and

Plastic film

Plastic lens

Polar silanes for binding to substrates and use of the bound...

Polarizing plate, manufacturing method therefor, optical...

Poly(imide-siloxane) compound for tapeless LOC packaging

Polyacetal resin composition and metal insert molding

Polycarbosilane adhesion promoters for low dielectric...

Polycrystalline diamond body/silicon nitride substrate composite

Polycrystalline silicon rod for zone reflecting and a...

Polydialkylsiloxane/polyamide copolymer, process for...

Polyester film having abrasion resistant radiation curable silic

Polyester releasing film containing a silicone resin layer