Patents

Latest Patent Summaries: Ecolab explores the use of water-soluble substituted imidazolines for corrosion inhibition; Tianjin Polytechnic University's Preparation method for braid-reinforced PPTA hollow-fiber membrane

Compiled by Mike Henley 

PPQ analysis of high-purity DI water used in semiconductor FABs

By David Bollinger & Hugh Gotts

Enhanced 185-NM UV-source to achieve a TOC reduction below 1 PPB

By Michiel Baas

High-purity water sample concentractor extends on-line silica analysis to 6 PPT

By Michelle Wu & Gregory Carr

On-line measurement of sub-PPB levels of metals using X-ray fluorescence

By Dennis Connolly & Colleen Walker

PPB dissolved oxygen measurement - Calibration and sampling techniques

By Shane Filer et al.

Determination of total silica at PPB levels in high-purity water by three different analytical techniques

By Theresa Chu & Marjorie K. Balazs