Inventor · West Chester, PA, US

Lyla M. El-Sayed

18Patents
8h-index
15Co-inventors
69Inventor score

Filing activity: Apr 30, 1986 → Oct 13, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5035972A AB diblock copolymers as charge directors for negative electrostatic liquid developer Physics 21 Expired
US4702984A Polybutylene succinimide as adjuvant for electrostatic liquid developer Physics 19 Expired
US4886726A Glycerides as charge directors for liquid electrostatic developers Physics 15 Expired
US4780389A Inorganic metal salt as adjuvant for negative liquid electrostatic developers Physics 11 Expired
US5009980A Aromatic nitrogen-containing compounds as adjuvants for electrostatic liquid developers Physics 11 Expired
US4820605A Modified liquid electrostatic developer having improved image scratch resistance Physics 10 Expired
US4783388A Quaternaryammonium hydroxide as adjuvant for liquid electrostatic developers Physics 9 Expired
US5130221A Salts of acid-containing AB diblock copolymers as charge directors for positive-working electrostatic liquid developers Physics 9 Expired
US4977056A Alkylhydroxy benzylpolyamine as adjuvant for electrostatic liquid developers Physics 8 Expired
US5053306A Acid-containing A-B block copolymers as grinding aids in liquid electrostatic developer preparation Physics 8 Expired
US5382492A Quaternary ammonium compound as charge adjuvants for positive electrostatic liquid developers Physics 7 Expired
US4985329A Bipolar liquid electrostatic developer Physics 7 Expired
US4917985A Organic sulfur-containing compounds as adjuvants for positive electrostatic liquid developers Physics 7 Expired
US4758494A Inorganic metal salt as adjuvant for negative liquid electrostatic developers Physics 7 Expired
US4935328A Monofunctional amines as adjuvant for liquid electrostatic developers Emerging Cross-Sectional Technologies 5 Expired
US5002848A Substituted carboxylic acids as adjuvants for positive electrostatic liquid developers Physics 3 Expired
US11679531B2 Chemical mechanical polishing pad and preparation thereof Performing Operations; Transporting 1 Active
US12220784B2 Chemical mechanical polishing pad and preparation thereof Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.