Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for pickling stainless steel in the absence of nitric acid and in the presence of chloride ions

Process for pickling stainless steel in the absence of nitric acid and in the presence of chloride ions

US Patent 6554908 · Granted Apr 29, 2003

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Brightening and passivation of stainless steel surfaces2019
Dry lubricant for zinc coated steel2019
Use of nitrogen compounds in the pickling of stainless steel2016
Pickling or brightening/passivating solution and process for steel and stainless2012
Process for pickling martensitic or ferritic stainless steel2007
Process for pickling martensitic or ferritic stainless steel2007
Brightening/passivating metal surfaces without hazard from emissions of oxides o2005
Brightening/passivating metal surfaces without hazard from emissions of oxides o2005
Process for electrolytic pickling using nitric acid-free solutions2003
Steel pickling process in which the oxidation of the ferrous ion formed is carri2001
Process for stainless steel pickling and passivation without using nitric acid2000
Process for stainless steel pickling and passivation without using nitric acid1998