P-quinonediimonium salts and their use as infrared absorbers

P-substituted-benzenesulfonyl biguanides and methods for...

P-sulfonamidophenols

P-sulphonamido aniline derivative

P-type semiconductor translating devices

P-vinylphenyl-glycidyl ethers

P-xylene process

P-xylylene bis quaternary ammonium compounds

P-xylylene diradical and conductive metal resistor element

P-xylylene preparation

P-xylylenediamine salts of penicillin

P.a.b.x. selector-connector switch

P.a.x. system

P.amino-phenol derivatives

P.p.i. radar apparatus

Pace indicator for wheels

Pacer for work

Pacifier

Pacifiers

Pacifiers