Inventor
COHEN ABRAHAM B
US34 patents
Patents
34 patentsUS4737446AApr 12, 1988
Method for making multilayer circuits using embedded catalyst receptors
DU PONT52 citations96
US4414278ANov 8, 1983
Crosslinked triacrylate polymer beads
DU PONT57 citations94
US5196136AMar 23, 1993
Cleaning composition of hydrocarbon component, surfactant and multibasic ester additive
DU PONT36 citations92
US5112726AMay 12, 1992
Embedded catalyst receptors for metallization of dielectrics
DU PONT28 citations92
US5002855AMar 26, 1991
Solid imaging method using multiphasic photohardenable compositions
DU PONT42 citations92
US4405394ASep 20, 1983
Laminating process
DU PONT30 citations92
US4357413ANov 2, 1982
Dry-developing photosensitive dry film resist
DU PONT29 citations92
US4282308AAug 4, 1981
Negative-working multilayer photosensitive element
DU PONT34 citations92
US4247619AJan 27, 1981
Negative-working multilayer photosensitive tonable element
DU PONT42 citations92
US4193797AMar 18, 1980
Method for making photoresists
DU PONT36 citations92
US4174216ANov 13, 1979
Process for image reproduction using multilayer photosensitive tonable element
DU PONT51 citations92
US4859571AAug 22, 1989
Embedded catalyst receptors for metallization of dielectrics
DU PONT26 citations91
US4698294AOct 6, 1987
Lamination of photopolymerizable film onto a substrate employing an intermediate nonphotosensitive liquid layer
DU PONT32 citations86
US4304839ADec 8, 1981
Positive working multilayer photosensitive tonable element
DU PONT28 citations81
US4229520AOct 21, 1980
Photo-polymerization and development process which produces dot-etchable material
DU PONT24 citations81
US4229517AOct 21, 1980
Dot-etchable photopolymerizable elements
DU PONT21 citations81
US4173673ANov 6, 1979
Dot-etchable masks from photopolymerizable elements
DU PONT21 citations81
US4316951AFeb 23, 1982
Multilayer photosensitive element with solvent-soluble layer
DU PONT19 citations74
US4191572AMar 4, 1980
Process for image reproduction using multilayer photosensitive element with solvent-soluble layer
DU PONT11 citations74
US4522903AJun 11, 1985
Sequential automatic registration and imagewise exposure of a sheet substrate
DU PONT15 citations73
US4518667AMay 21, 1985
Automatic repetitive registration and image wise exposure of sheet substrates
DU PONT8 citations73
US4508802AApr 2, 1985
Multiple registration and imaging process to form a set of registered imaged elements
DU PONT15 citations73
US4289841ASep 15, 1981
Dry-developing photosensitive dry film resist
DU PONT18 citations73
US4356251AOct 26, 1982
Multilayer photosensitive element with solvent-soluble layer
DU PONT12 citations72
US4339525AJul 13, 1982
Color proofing system using dot-etchable photopolymerizable elements
DU PONT8 citations72
US4286046AAug 25, 1981
Process for preparation of multicolor surprint proofs with silica overcoat
DU PONT14 citations72
US4668604AMay 26, 1987
Positive-working photosensitive elements containing crosslinked beads and process of use
DU PONT7 citations71
US4551415ANov 5, 1985
Photosensitive coatings containing crosslinked beads
DU PONT16 citations71
US4303698ADec 1, 1981
Use of prolonged tack toners for the preparation of electric circuits
DU PONT8 citations69
US3980047ASep 14, 1976
Automatic toning device
DU PONT9 citations69
US4527890AJul 9, 1985
Automatic repetitive registration and imagewise exposure of sheet substrates
DU PONT4 citations62
US4601970AJul 22, 1986
Dry photosensitive film containing crosslinked beads
DU PONT5 citations60
US4355055AOct 19, 1982
Use of prolonged tack toners for the preparation of multilayer electric circuits
DU PONT5 citations58
US4331712AMay 25, 1982
Process for applying dry particulate material to a tacky surface
DU PONT5 citations58