DUPONT ELECTRONIC POLYMERS LP

Patent Applications and Registrations

Patent applications and USPTO patent grants for DUPONT ELECTRONIC POLYMERS LP.The latest application filed is for "process for preparing stable photoresist compositions".

Company Profile

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DUPONT ELECTRONIC POLYMERS LP -
Dupont Electronic Polymers LP - Research Triangle Park NC
DuPont Electronic Polymers L.P. - Research Triangle Park NC
Dupont Electronic Polymers L.P. - Research Triangle NC

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Process For Preparing Stable Photoresist Compositions App 20120264857 - RUSSELL; WILLIAM RICHARD ; et al.	2012-10-18
Process for preparing stable photoresist compositions Grant 8,207,278 - Russell , et al. June 26, 2	2012-06-26
Epoxy resin, blocked polyisocyanate or polymers with polyhydroxystyrenes having novolak structure Grant 7,897,697 - Sheehan , et al. March 1, 2	2011-03-01
Process for preparing stable photoresist compositions Grant 7,862,983 - Russell , et al. January 4, 2	2011-01-04
Process for preparing stable photoresist compositions App 20100221653 - Russell; William Richard ; et al.	2010-09-02
Process for preparing stable photoresist compositions Grant 7,741,429 - Russell , et al. June 22, 2	2010-06-22
Methods for preparing polymers from phenolic materials and compositions relating thereto Grant 7,728,082 - Kunitsky , et al. June 1, 2	2010-06-01
Derivatized polyhydroxystyrenes with a novolak type structure and processes for preparing the same Grant 7,678,945 - Sheehan , et al. March 16, 2	2010-03-16
Derivatized novolak polyhydroxystyrene Grant 7,632,896 - Sheehan , et al. December 15, 2	2009-12-15
Methods for preparing polymers from phenolic materials and compositions relating thereto Grant 7,521,526 - Kunitsky , et al. April 21, 2	2009-04-21
Derivatized novolak polyhydroxystyrene from hydroxyphenylmethylcarbinol Grant 7,371,800 - Sheehan , et al. May 13, 2	2008-05-13
Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purity Grant 7,312,281 - Sheehan , et al. December 25, 2	2007-12-25
Polymer purification Grant 7,148,320 - Sheehan , et al. December 12, 2	2006-12-12

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