P

Inventor

DURHAM DANA L

US27 patents
⚠️ This page may combine multiple inventors who share the name “DURHAM DANA L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HOECHST CELANESE CORP

15 patents
US5516886AMay 14, 1996

Metal ion reduction in top anti-reflective coatings for photoresists

HOECHST CELANESE CORP21 citations93
US5286606AFeb 15, 1994

Process for producing a developer having a low metal ion level

HOECHST CELANESE CORP32 citations93
US5688893ANov 18, 1997

Method of using a Lewis base to control molecular weight of novolak resins

HOECHST CELANESE CORP18 citations92
US5652317AJul 29, 1997

Antireflective coatings for photoresist compositions

HOECHST CELANESE CORP28 citations92
US5652297AJul 29, 1997

Aqueous antireflective coatings for photoresist compositions

HOECHST CELANESE CORP38 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
US5374693ADec 20, 1994

Novolak resin blends for photoresist applications

HOECHST CELANESE CORP16 citations82
US5624789AApr 29, 1997

Metal ion reduction in top anti-reflective coatings for photoresisis

HOECHST CELANESE CORP14 citations74
US5543263AAug 6, 1996

Photoresist having a low level of metal ions

HOECHST CELANESE CORP16 citations74
US5646218AJul 8, 1997

Novolak resin blends for photoresist applications

HOECHST CELANESE CORP7 citations73
US5665517ASep 9, 1997

Acidic ion exchange resin as a catalyst to synthesize a novolak resin and photoresist composition therefrom

HOECHST CELANESE CORP15 citations71
US5594098AJan 14, 1997

Metal ion reduction in novolak resins and photoresists

HOECHST CELANESE CORP3 citations63
US5248585ASep 28, 1993

Polyphosphazene binder resins for photoresists comprising as photosensitizers o-quinone diazide esters

HOECHST CELANESE CORP5 citations57
US5614349AMar 25, 1997

Using a Lewis base to control molecular weight of novolak resins

HOECHST CELANESE CORP1 citations52
US5580949ADec 3, 1996

Metal ion reduction in novolak resins and photoresists

HOECHST CELANESE CORP1 citations52

CLARIANT FINANCE BVI LTD

8 patents

AIR PROD & CHEM

4 patents