Inventor
ZEY EDWARD G
US18 patents
⚠️ This page may combine multiple inventors who share the name “ZEY EDWARD G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST CELANESE CORP
5 patentsUS5344979ASep 6, 1994
Process for preparing color-stabilized acetaminophen
HOECHST CELANESE CORP3 citations62
US5300301AApr 5, 1994
Isolation of ibuprofen from tablets
HOECHST CELANESE CORP4 citations60
US5271811ADec 21, 1993
Process for purifying 2-(4-isobutylphenyl)-propionic acid by vacuum distillation
HOECHST CELANESE CORP2 citations60
US5151551ASep 29, 1992
Method for purification of ibuprofen comprising mixtures
HOECHST CELANESE CORP5 citations59
US5399760AMar 21, 1995
Color control & stability in acetaminophen
HOECHST CELANESE CORP3 citations57
DUPONT ELECTRONIC POLYMERS L P
4 patentsUS7371800B2May 13, 2008
Derivatized novolak polyhydroxystyrene from hydroxyphenylmethylcarbinol
DUPONT ELECTRONIC POLYMERS L P11 citations92
US7632896B2Dec 15, 2009
Derivatized novolak polyhydroxystyrene
DUPONT ELECTRONIC POLYMERS L P2 citations62
US7897697B2Mar 1, 2011
Epoxy resin, blocked polyisocyanate or polymers with polyhydroxystyrenes having novolak structure
DUPONT ELECTRONIC POLYMERS L P0 citations51
US7678945B2Mar 16, 2010
Derivatized polyhydroxystyrenes with a novolak type structure and processes for preparing the same
DUPONT ELECTRONIC POLYMERS L P0 citations51
BASF CORP
2 patentsPONT ELECTRONIC POLYMERS L P D
2 patentsUS7662538B2Feb 16, 2010
Derivatized polyhydroxystyrenes (DPHS) with a novolak type structure and blocked DPHS (BDPHS) and processes for preparing the same
PONT ELECTRONIC POLYMERS L P D2 citations60
US7566752B2Jul 28, 2009
Epoxy resins or polyisocyanates reacted with derivatized novolak polyhydroxystyrene
PONT ELECTRONIC POLYMERS L P D2 citations60