Inventor

CHANG ZEN-YU

US12 patents

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

DU PONT

5 patents

US6066638AMay 23, 2000

Fungicidal pyrimidinones

DU PONT71 citations94

US6245770B1Jun 12, 2001

Fungicidal pyrimidinones

DU PONT27 citations91

US5945423AAug 31, 1999

Fungicidal fused bicyclic pyrimidinones

DU PONT7 citations72

US5747497AMay 5, 1998

Fungicidal fused bicyclic pyrimidinones

DU PONT12 citations72

US6255311B1Jul 3, 2001

Fungicidal fused bicyclic pyrimidinones

DU PONT5 citations61

LUBRIZOL CORP

3 patents

US10597576B2Mar 24, 2020

Lubricant for water based drilling fluid

LUBRIZOL CORP2 citations70

US9873847B2Jan 23, 2018

Ion tolerant corrosion inhibitors and inhibitor combinations for fuels

LUBRIZOL CORP0 citations48

US10745634B2Aug 18, 2020

Gas hydrate inhibitors

LUBRIZOL CORP0 citations32

GE BETZ INC

2 patents

US7335794B2Feb 26, 2008

Polythiaether compounds and their use as corrosion inhibitors

GE BETZ INC1 citations60

US6974553B2Dec 13, 2005

Polythiaether compounds and their use as corrosion inhibitors

GE BETZ INC0 citations50

BETZDEARBORN INC

1 patent

US6872230B2Mar 29, 2005

Lubricity additives for low sulfur hydrocarbon fuels

BETZDEARBORN INC2 citations58

LINK JOHN

1 patent

US8518238B2Aug 27, 2013

Processes for inhibiting fouling in hydrocarbon processing

LINK JOHN0 citations50