Assignee
DUPONT ELECTRONIC POLYMERS L P
US·10 granted patents·31 citations·filing 2004–2010
Top patents by PatentIndex Score
10 records- 0190US7371800B2Derivatized novolak polyhydroxystyrene from hydroxyphenylmethylcarbinolDUPONT ELECTRONIC POLYMERS L P·Filed 2005·Granted May 13, 2008·11 cites·6 claims
- 0282US7741429B2Process for preparing stable photoresist compositionsDUPONT ELECTRONIC POLYMERS L P·Filed 2006·Granted Jun 22, 2010·6 cites·7 claims
- 0382US7312281B2Anhydrous, liquid phase process for preparing hydroxyl containing polymers of enhanced purityDUPONT ELECTRONIC POLYMERS L P·Filed 2005·Granted Dec 25, 2007·6 cites·36 claims
- 0476US7632896B2Derivatized novolak polyhydroxystyreneDUPONT ELECTRONIC POLYMERS L P·Filed 2008·Granted Dec 15, 2009·2 cites·8 claims
- 0575US7521526B2Methods for preparing polymers from phenolic materials and compositions relating theretoDUPONT ELECTRONIC POLYMERS L P·Filed 2007·Granted Apr 21, 2009·2 cites·1 claims
- 0670US7862983B2Process for preparing stable photoresist compositionsDUPONT ELECTRONIC POLYMERS L P·Filed 2010·Granted Jan 4, 2011·1 cites·2 claims
- 0760US7897697B2Epoxy resin, blocked polyisocyanate or polymers with polyhydroxystyrenes having novolak structureDUPONT ELECTRONIC POLYMERS L P·Filed 2009·Granted Mar 1, 2011·0 cites·3 claims
- 0860US7728082B2Methods for preparing polymers from phenolic materials and compositions relating theretoDUPONT ELECTRONIC POLYMERS L P·Filed 2009·Granted Jun 1, 2010·0 cites·1 claims
- 0958US7678945B2Derivatized polyhydroxystyrenes with a novolak type structure and processes for preparing the sameDUPONT ELECTRONIC POLYMERS L P·Filed 2008·Granted Mar 16, 2010·0 cites·1 claims
- 1057US7148320B2Polymer purificationDUPONT ELECTRONIC POLYMERS L P·Filed 2004·Granted Dec 12, 2006·3 cites·26 claims
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