Abstract: Electrically photosensitive complex cyanine colorant compounds, each comprising two merocyanine moieties joined by a cyanine moiety, are useful in electrically photosensitive materials for photoelectrophoretic (PEP) imaging processes. These compounds are symmetric or asymmetric and contain the structure: ##STR1## wherein: m and n, which are the same or different, are 0, 1 or 2;t and u, which are the same or different, are 0 or 1;p is 0, 1 or 2;R.sup.1 and R.sup.11, which are the same or different, represent an alkyl, aryl, aralkyl, alkaryl, carbocyclic or heterocyclic group or, when taken together and p is zero, are a one- or two-carbon alkylene bridge;R.sup.2 and R.sup.22, which are the same or different, represent an alkyl, aryl, aralkyl, alkaryl, carbocyclic or heterocyclic group;R.sup.3 and R.sup.33, which are the same or different, represent hydrogen or an alkyl group;R.sup.4 and R.sup.44, which are the same or different, represent hydrogen or an alkyl group;R.sup.4, which when taken together with R.sup.

Abstract: Electrically photosensitive materials and elements comprising an electrically photosensitive compound of the structure: ##STR1## wherein: n represents zero, 1 or 2;Y represents 0 or S;Z represents 0 or NR in which R represents hydrogen, alkyl, aryl or aralkyl;R.sup.1, R.sup.2 and R.sup.3, which are the same or different, represent hydrogen, alkoxy, hydroxy, alkyl, aryl, alkylcarboxy or arylcarboxy; or R.sup.1 and R.sup.3 taken together with the carbon atoms to which they are attached provide sufficient atoms to complete a carbocyclic ring of 6-14 carbon atoms;R.sup.4 represents hydrogen or cyano; andA represents a nitrogen containing basic heterocyclic nucleus of the type used in cyanine dyes are useful in photoelectrophoretic imaging processes.

Abstract: Electrophotosensitive materials having the structure ##STR1## wherein: M and N may be zero, one or two;L.sup.1, L.sup.2, L.sup.3, L.sup.4, L.sup.5, L.sup.6, and L.sup.7 may be cyano, hydrogen, substituted or unsubstituted alkyl, alkoxy, aralkyl, aryl or heterocycyl and in addition any two of L.sup.1, L.sup.2 and L.sup.3 and any two of L.sup.4, L.sup.5, L.sup.6 and L.sup.7 may together represent the elements needed to complete a carbocyclic or heterocyclic ring having from 5-12 carbon atoms;A.sup.1 may be the same as A.sup.2 and in addition may represent a substituted or unsubstituted aryl group;A.sup.2 represents a basic substituted or unsubstituted heterocyclic nucleus; andB.sup.1 and B.sup.2 represent cyano, cyanoaryl, carboxy, alkoxycarbonyl, aryloxycarbonyl, alkylsulfonyl, acyl, arylcarbonyl, heteroyl groups such as benzofuroyl, nitro, nitro substituted aryl, sulfonyl, fluorosulfonyl, trifluoromethylsulfonyl, carbamoyl, arylcarbamoyl, and alkylcarbamoyl orB.sup.2 may be combined with .dbd.CL.sup.4 -CL.

Abstract: Electrophotosensitive materials having the structure ##STR1## wherein: M and N may be zero, one or two;L.sup.1, L.sup.2, L.sup.3, L.sup.4, L.sup.5, L.sup.6, and L.sup.7 may be cyano, hydrogen, substituted or unsubstituted alkyl, alkoxy, aralkyl, aryl or heterocycyl and in addition any two of L.sup.1, L.sup.2 and L.sup.3 and any two of L.sup.4, L.sup.5, L.sup.6 and L.sup.7 may together represent the elements needed to complete a carbocyclic or heterocyclic ring having from 5-12 carbon atoms;A.sup.1 may be the same as A.sup.2 and in addition may represent a substituted or unsubstituted aryl group;A.sup.2 represents a basic substituted or unsubstituted heterocyclic nucleus; andB.sup.1 and B.sup.2 represent cyano, cyanoaryl, carboxy, alkoxycarbonyl, aryloxycarbonyl, alkylsulfonyl, acyl, arylcarbonyl, heteroyl groups such as benzofuroyl, nitro, nitro substituted aryl, sulfonyl, fluorosulfonyl, tirfluoromethylsulfonyl, carbamoyl, arylcarbamoyl, and alkylcarbamoyl orB.sup.2 may be combined with .dbd.CL.sup.4 --CL.

Abstract: Electrophotosensitive materials having the structure ##STR1## wherein: Z.sup.1 and Z.sup.2 represent a basic type heterocyclic nucleus;Y represents N or a methine carbon C--G.sup.1 ;G.sup.1 and G.sup.2 may be the same or different and each is H, alkyl, or aryl or taken together complete a mononuclear or fused polynuclear carbocyclic ring;A.sup.1 and A.sup.2 represent alkyl, aryl, carboxy, alkoxycarbonyl, cyano, nitro or together form a heterocyclic nucleus;R.sup.1 and R.sup.2 may be the same or different and each may represent H, alkyl, aralkyl or aryl;R.sup.3 and R.sup.4 represent hydrogen, alkyl, aryl, cyano, or taken together with the atoms to which they are attached represent a 5 to 6 member carbocyclic ring;m and n may be the same or different and may be 0 or 1;p, q and r, which may be the same or different, represent 0, 1 or 2.

Abstract: Electrophotosensitive materials having the structure ##STR1## wherein: a and b represent zero, one or two;L.sup.1 through L.sup.7, which may be the same or different represent hydrogen, alkyl, aralkyl, aryl or dialkylaminoarylvinyl; or any two of L.sup.1, L.sup.2, and L.sup.3 or any two of L.sup.4, L.sup.5, L.sup.6 and L.sup.7 may, together with the atoms to which they are attached, represent the elements needed to complete a carbocyclic ring;R represents alkyl, aryl, nitroaryl or hydrogen;A.sup.1 represents aryl or a heterocyclic nucleus including those nuclei defined for A.sup.2 below;A.sup.2 represents a N-alkyl substituted nucleus of the type used in cyanine dyes.

Abstract: Electrophotosensitive materials having the structure ##STR1## wherein R represents a basic heterocyclic nucleus as well as groups such as hydrogen, alkyl, aryl, aralkyl, etc.;A.sub.1 represents a wide variety of basic heterocyclic nuclei;A.sub.2 represents aryl or may be the same as A.sub.1 ;G represents O or S;M is 0 to 3;N is 0 to 1; andL.sup.1, L.sup.2, L.sup.3, L.sup.4 and L.sup.5 represetn hydrogen, alkyl or aryl.

Abstract: Electrophotosensitive materials having the structure ##STR1## wherein: r and s may be zero, one two or three;R.sup.1 and R.sup.2 may be the same or different and each may represent hydrogen, alkyl, aryl, alkoxyalkyl or alkoxyaryl;Y represents O or S;L.sup.1, L.sup.2, L.sup.3, L.sup.4 and L.sup.5 may be the same or different, represent hydrogen, alkyl, aryl or aralkyl and in addition either L.sup.1 and L.sup.2 or any two of L.sup.3, L.sup.4 and L.sup.5, together with the atoms to which they are attached, may represent the elements needed to complete a carbocyclic ring;A.sup.1 and A.sup.2 represent a substituted or unsubstituted heterocyclic nucleus.

Abstract: Electrophotosensitive materials having the structure ##STR1## wherein: A AND B REPRESENT ZERO, ONE OR TWO;L.sup.1 through L.sup.7, which may be the same or different represent hydrogen, alkyl, aralkyl, aryl or dialkylaminoarylvinyl; or any two of L.sup.1, L.sup.2, and L.sup.3 or any two of L.sup.4, L.sup.5, L.sup.6 and L.sup.7 may, together with the atoms to which they are attached, represent the elements needed to complete a carbocyclic ring;R represents alkyl, aryl, nitroaryl or hydrogen;A.sup.1 represents aryl or a heterocyclic nucleus including those nuclei defined for A.sup.2 below;A.sup.2 represents a N-alkyl substituted nucleus of the type used in cyanine dyes.

Abstract: Electrophotosensitive materials having the structure ##STR1## wherein R represents a basic heterocyclic nucleus as well as groups such as hydrogen, alkyl, aryl, aralkyl, etc.;A.sub.1 represents a wide variety of basic heterocyclic nuclei;A.sub.2 represents aryl or may be the same as A.sub.1 ;G represents O or S;M is 0 to 3;N is 0 to 1; andL.sup.1, l.sup.2, l.sup.3, l.sup.4 and L.sup.5 represent hydrogen, alkyl or aryl.

Abstract: Novel compounds having the following structure ##STR1## wherein X represents O, S or NR and R is benzyl or butyl;G.sup.1 and G.sup.2 represent cyano or taken together with the carbon atom to which they are attached represent sufficient atoms to complete an ethyl substituted barbituric acid nucleus;R.sup.1 and R.sup.2, which may be the same or different represent phenyl, (--CH.dbd..sub.n A.sup.1, --CH.dbd.CH--A.sup.2 ; and R.sup.3, R.sup.4, A.sup.1, A.sup.2 and n are as stated in the detailed disclosure.

Abstract: Materials having the following structure ##STR1## have been found useful in migration imaging processes.