Inventor
AUBIN DANIEL P
US12 patents
⚠️ This page may combine multiple inventors who share the name “AUBIN DANIEL P”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST CELANESE CORP
7 patentsUS5688893ANov 18, 1997
Method of using a Lewis base to control molecular weight of novolak resins
HOECHST CELANESE CORP18 citations92
US5521052AMay 28, 1996
Metal ion reduction in novolak resin using an ion exchange catalyst in a polar solvent and photoresists compositions therefrom
HOECHST CELANESE CORP39 citations92
US5476750ADec 19, 1995
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
HOECHST CELANESE CORP32 citations92
US5693749ADec 2, 1997
Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom
HOECHST CELANESE CORP11 citations73
US5665517ASep 9, 1997
Acidic ion exchange resin as a catalyst to synthesize a novolak resin and photoresist composition therefrom
HOECHST CELANESE CORP15 citations71
US5656413AAug 12, 1997
Low metal ion containing 4,4'-[1-[4-[1-(4-Hydroxyphenyl)-1-methylethyl]phenyl]ethylidene]bisphe nol and photoresist compositions therefrom
HOECHST CELANESE CORP5 citations62
US5614349AMar 25, 1997
Using a Lewis base to control molecular weight of novolak resins
HOECHST CELANESE CORP1 citations52
CLARIANT FINANCE BVI LTD
5 patentsUS5962183AOct 5, 1999
Metal ion reduction in photoresist compositions by chelating ion exchange resin
CLARIANT FINANCE BVI LTD14 citations73
US5853947ADec 29, 1998
Quinonediazide positive photoresist utilizing mixed solvent consisting essentially of 3-methyl-3-methoxy butanol and propylene glycol alkyl ether acetate
CLARIANT FINANCE BVI LTD7 citations73
US5750031AMay 12, 1998
Process for producing surfactant having a low metal ion level and developer produced therefrom
CLARIANT FINANCE BVI LTD11 citations73
US5739265AApr 14, 1998
Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom
CLARIANT FINANCE BVI LTD13 citations73
US5976761ANov 2, 1999
Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom
CLARIANT FINANCE BVI LTD1 citations52