.pi.-Deficient N-heteroaromatic chemical sensitizers for heterog

1,3,4-Oxadiazole derivatives and electrophotographic plates cont

2-Substituted benzimidazoles in multicolor diffusion transfer

3-(9-Fluorenylidene)carbazole derivatives and electrophotographi

Accelerating aging method for selenium-arsenic photoconductors

Acid sensitized charge transfer complexes and cyclic electrostat

Additive color silver salt transfer film unit with layer of chit

Additives for contrast control in organic photoconductor composi

Agglomeration imaging method

Agglomeration imaging process

Aggregate photoconductive composition containing combination of

Air flow method of cleaning ion modulation photosensitive screen

Air purifier

Airborne conductive contaminant handler

Alkali metal dichromate as memory resistance improver for zinc o

Aluminum chelates as acceptor type sensitizers and plasticizers

Amides of .omega. -- and cis alkenoic acids in imaging process a

Aminolyzed toner compositions and imaging process using same

Amorphous selenium coating

An organic photoconductive composition comprising an organic pho