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Patent applications and USPTO patent grants for Aubin; Daniel P..The latest application filed is for "process for producing surfactant having a low metal ion level and developer produced therefrom".
Patent | Date |
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Process for producing surfactant having a low metal ion level and developer produced therefrom Grant 5,750,031 - Rahman , et al. May 12, 1 | 1998-05-12 |
Fractionation of phenol formaldehyde condensate and photoresist compositions produced therefrom Grant 5,739,265 - Rahman , et al. April 14, 1 | 1998-04-14 |
Method of using a Lewis base to control molecular weight of novolak resins Grant 5,688,893 - Rahman , et al. November 18, 1 | 1997-11-18 |
Using a Lewis base to control molecular weight of novolak resins Grant 5,614,349 - Rahman , et al. March 25, 1 | 1997-03-25 |
Metal ion reduction in novolak resin using an ion exchange catalyst in a polar solvent and photoresists compositions therefrom Grant 5,521,052 - Rahman , et al. May 28, 1 | 1996-05-28 |
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 Grant 5,476,750 - Rahman , et al. December 19, 1 | 1995-12-19 |
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