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Inventor

EL-SAYED LYLA M

US19 patents
⚠️ This page may combine multiple inventors who share the name “EL-SAYED LYLA M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DU PONT

15 patents
US4886726ADec 12, 1989

Glycerides as charge directors for liquid electrostatic developers

DU PONT33 citations92
US5035972AJul 30, 1991

AB diblock copolymers as charge directors for negative electrostatic liquid developer

DU PONT25 citations88
US4702984AOct 27, 1987

Polybutylene succinimide as adjuvant for electrostatic liquid developer

DU PONT24 citations81
US4935328AJun 19, 1990

Monofunctional amines as adjuvant for liquid electrostatic developers

DU PONT8 citations74
US4783388ANov 8, 1988

Quaternaryammonium hydroxide as adjuvant for liquid electrostatic developers

DU PONT12 citations74
US5009980AApr 23, 1991

Aromatic nitrogen-containing compounds as adjuvants for electrostatic liquid developers

DU PONT16 citations73
US4985329AJan 15, 1991

Bipolar liquid electrostatic developer

DU PONT15 citations73
US4977056ADec 11, 1990

Alkylhydroxy benzylpolyamine as adjuvant for electrostatic liquid developers

DU PONT8 citations73
US4917985AApr 17, 1990

Organic sulfur-containing compounds as adjuvants for positive electrostatic liquid developers

DU PONT13 citations73
US4820605AApr 11, 1989

Modified liquid electrostatic developer having improved image scratch resistance

DU PONT15 citations73
US4798778AJan 17, 1989

Liquid electrostatic developers containing modified resin particles

DU PONT17 citations73
US4780389AOct 25, 1988

Inorganic metal salt as adjuvant for negative liquid electrostatic developers

DU PONT15 citations73
US4758494AJul 19, 1988

Inorganic metal salt as adjuvant for negative liquid electrostatic developers

DU PONT14 citations73
US5053306AOct 1, 1991

Acid-containing a-b block copolymers as grinding aids in liquid electrostatic developer preparation

DU PONT9 citations72
US5002848AMar 26, 1991

Substituted carboxylic acids as adjuvants for positive electrostatic liquid developers

DU PONT4 citations59

ROHM & HAAS ELECT MATERIALS CMP HOLDINGS INC

2 patents

XEROX CORP

1 patent

DXIMAGING

1 patent