P

Inventor

TSENG AMY M

US9 patents
⚠️ This page may combine multiple inventors who share the name “TSENG AMY M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NALCO CHEMICAL CO

4 patents
US5326479AJul 5, 1994

Treatment of pulp and paper wastewater with reducing agent and a polymer for color removal

NALCO CHEMICAL CO23 citations91
US5476594ADec 19, 1995

Vinylamine polymers for removing color from paper mill effluents

NALCO CHEMICAL CO10 citations73
US5435921AJul 25, 1995

Vinylamine polymers and coagulants for removing color from paper mill effluents

NALCO CHEMICAL CO18 citations73
US6077461AJun 20, 2000

Cationic chemiluminescent monomers and polymers

NALCO CHEMICAL CO13 citations68

NALCO CO

3 patents
US8945939B2Feb 3, 2015

Control over hydrogen fluoride levels in oxide etchant

NALCO CO2 citations61
US8932874B2Jan 13, 2015

Control over ammonium fluoride levels in oxide etchant

NALCO CO1 citations58
US8372651B2Feb 12, 2013

Method of monitoring a surfactant in a microelectronic process by absorbance

NALCO CO0 citations51

ECOLAB USA INC

1 patent
US9677998B2Jun 13, 2017

Control over etching molecule levels in etching compositions

ECOLAB USA INC0 citations37

JENKINS BRIAN V

1 patent
US8753896B2Jun 17, 2014

Method of monitoring a surfactant in a microelectronic process by fluorescence

JENKINS BRIAN V0 citations33