Inventor

DUNHAM ANDREW J

US5 patents

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

NALCO CHEMICAL CO

4 patents

US6313246B1Nov 6, 2001

High molecular weight zwitterionic polymers

NALCO CHEMICAL CO52 citations95

US6444091B1Sep 3, 2002

Structurally rigid nonionic and anionic polymers as retention and drainage aids in papermaking

NALCO CHEMICAL CO31 citations90

US6238486B1May 29, 2001

Detectable cationic flocculant and method of using same in industrial food processes

NALCO CHEMICAL CO18 citations83

US6451169B1Sep 17, 2002

Structurally rigid polymer coagulants as retention and drainage aids in papermaking

NALCO CHEMICAL CO8 citations72

ONDEO NALCO CO

1 patent

US6590051B1Jul 8, 2003

High molecular weight zwitterionic polymers

ONDEO NALCO CO64 citations95