Inventor · Rockville, RI, US

Daniel P. Aubin

16Patents
8h-index
9Co-inventors
57Inventor score

Filing activity: Dec 29, 1992 → Apr 2, 1998

Most-cited inventions

PatentTitleAreaCited byStatus
US5476750A Metal ion reduction in the raw materials and using a Lewis base to control molecular weight of novolak resin to be used in positive photoresists Physics 26 Expired
US5521052A Metal ion reduction in novolak resin using an ion exchange catalyst in a polar solvent and photoresists compositions therefrom Emerging Cross-Sectional Technologies 25 Expired
US5962183A Metal ion reduction in photoresist compositions by chelating ion exchange resin Physics 10 Expired
US5688893A Method of using a Lewis base to control molecular weight of novolak resins Physics 10 Expired
US5739265A Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom Physics 9 Expired
US5837417A Quinone diazide compositions containing low metals p-cresol oligomers and process of producing the composition Physics 9 Expired
US5693749A Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom Chemistry; Metallurgy 8 Expired
US5665517A Acidic ion exchange resin as a catalyst to synthesize a novolak resin and photoresist composition therefrom Physics 8 Expired
US5750632A Isolation of novolak resin by low temperature sub surface forced steam distillation Physics 6 Expired
US5750031A Process for producing surfactant having a low metal ion level and developer produced therefrom Physics 6 Expired
US5853947A Quinonediazide positive photoresist utilizing mixed solvent consisting essentially of 3-methyl-3-methoxy butanol and propylene glycol alkyl ether acetate Physics 2 Expired
US5858627A Image formation utilizing photosensitive compositions containing low metal content p-cresol oligomers Physics 2 Expired
US5656413A Low metal ion containing 4,4'-[1-[4-[1-(4-Hydroxyphenyl)-1-methylethyl]phenyl]ethylidene]bisphe nol and photoresist compositions therefrom Emerging Cross-Sectional Technologies 2 Expired
US5614349A Using a Lewis base to control molecular weight of novolak resins Physics 1 Expired
US5976761A Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom Physics 0 Expired
US6165675A Isolation of novolak resin by low temperature sub surface forced steam distillation Physics 0 Expired

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