Inventor · disambiguated record
Edward G. Zey
Also filed as: ZEY EDWARD G
18 granted patents·1 pending application·230 citations·filing 1976–2009
94Inventor score
Files withHOECHST CELANESE CORP5DUPONT ELECTRONIC POLYMERS L P4BASF CORP2PONT ELECTRONIC POLYMERS L P D2CELANESE CORP1
Top patents by PatentIndex Score
19 records- 0192US6639067B1Continuous process for the production of anhydrosugar alcoholsFiled 1999·Granted Oct 28, 2003·111 cites·28 claims
- 0290US7371800B2Derivatized novolak polyhydroxystyrene from hydroxyphenylmethylcarbinolDUPONT ELECTRONIC POLYMERS L P·Filed 2005·Granted May 13, 2008·11 cites·6 claims
- 0376US7632896B2Derivatized novolak polyhydroxystyreneDUPONT ELECTRONIC POLYMERS L P·Filed 2008·Granted Dec 15, 2009·2 cites·8 claims
- 0476US4076727ACyclic acetal acrylates or methacrylates and processes for preparing sameCELANESE CORP·Filed 1976·Granted Feb 28, 1978·23 cites·5 claims
- 0575US6096905ATreatment of a composition comprising a trimethylolalkane bis-monolinear formalCELANESE INT CORP·Filed 1999·Granted Aug 1, 2000·16 cites·21 claims
- 0673US7566752B2Epoxy resins or polyisocyanates reacted with derivatized novolak polyhydroxystyrenePONT ELECTRONIC POLYMERS L P D·Filed 2008·Granted Jul 28, 2009·2 cites·1 claims
- 0769US7662538B2Derivatized polyhydroxystyrenes (DPHS) with a novolak type structure and blocked DPHS (BDPHS) and processes for preparing the samePONT ELECTRONIC POLYMERS L P D·Filed 2005·Granted Feb 16, 2010·2 cites·5 claims
- 0862US4981995AMethod for producing ibuprofenELANGO VARADARAJ·Filed 1990·Granted Jan 1, 1991·24 cites·30 claims
- 0960US7897697B2Epoxy resin, blocked polyisocyanate or polymers with polyhydroxystyrenes having novolak structureDUPONT ELECTRONIC POLYMERS L P·Filed 2009·Granted Mar 1, 2011·0 cites·3 claims
- 1058US7678945B2Derivatized 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
- 1157US2010105785A1Derivatized polyhydroxystyrenes (DPHS) with a novolak type structure and blocked DPHS (BDPHS) and processes for preparing the sameSHEEHAN MICHAEL T·Filed 2009·Application pending·0 cites
- 1254US6670033B1Process and products of purification of anhydrosugar alcoholsDU PONT·Filed 1999·Granted Dec 30, 2003·13 cites·28 claims
- 1352US5151551AMethod for purification of ibuprofen comprising mixturesHOECHST CELANESE CORP·Filed 1990·Granted Sep 29, 1992·5 cites·21 claims
- 1448US5344979AProcess for preparing color-stabilized acetaminophenHOECHST CELANESE CORP·Filed 1993·Granted Sep 6, 1994·3 cites·21 claims
- 1544US6277783B1Method for the purification of acetaminophenBASF CORP·Filed 1999·Granted Aug 21, 2001·2 cites·6 claims
- 1643US5399760AColor control & stability in acetaminophenHOECHST CELANESE CORP·Filed 1993·Granted Mar 21, 1995·3 cites·25 claims
- 1742US5981799AMethod for the purification of acetaminophenBASF CORP·Filed 1994·Granted Nov 9, 1999·7 cites·8 claims
- 1839US5271811AProcess for purifying 2-(4-isobutylphenyl)-propionic acid by vacuum distillationHOECHST CELANESE CORP·Filed 1993·Granted Dec 21, 1993·2 cites·26 claims
- 1934US5300301AIsolation of ibuprofen from tabletsHOECHST CELANESE CORP·Filed 1992·Granted Apr 5, 1994·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →