P

Inventor

CHANG FENG-CHIH

TW8 patents
⚠️ This page may combine multiple inventors who share the name “CHANG FENG-CHIH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DOW CHEMICAL CO

3 patents
US4354046AOct 12, 1982

Process for obtaining high purity bisphenol A

DOW CHEMICAL CO32 citations86
US4533764AAug 6, 1985

Purification of bisphenols by removing residual solvent

DOW CHEMICAL CO24 citations76
US4582892AApr 15, 1986

Process for the preparation of epoxy resins

DOW CHEMICAL CO13 citations65

IND TECH RES INST

3 patents
US5576394ANov 19, 1996

Functional group-containing butadiene based impact modifier

IND TECH RES INST15 citations78
US5668215ASep 16, 1997

Functional group-containing butadiene based impact modifier

IND TECH RES INST12 citations69
US7871835B2Jan 18, 2011

Method for packaging light-emitting diode

IND TECH RES INST0 citations45

(unassigned)

1 patent
US6214251B1Apr 10, 2001

Polymer electrolyte composition

45 citations88

CHANG FENG-CHIH

1 patent
US9074043B2Jul 7, 2015

Compound for carrier transport, element and electronic device using the same

CHANG FENG-CHIH0 citations40