Class C23G : CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
Subclass 1/28: Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G 5/02) with molten salts
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10340050 | Method of decontaminating metal surfaces in a cooling system of a nuclear reactor | Feb 05, 15 | Jul 02, 19 | Framatome GmbH |
| 9677031 | Catalyzed non-staining high alkaline CIP cleaner | Jun 20, 14 | Jun 13, 17 | ECOLAB USA INC. |
| 8308843 | Method and device using pyrolysis for recycling used printed circuit board | May 26, 10 | Nov 13, 12 | Not available |
| 6068001 | Process for stainless steel pickling and passivation without using nitric acid | Oct 17, 96 | May 30, 00 | NOVAMAX ITB S.R.L. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0002,912 | WORKPIECE CLEANING APPARATUS AND CLEANING METHOD | Jun 24, 20 | Jan 05, 23 | JIANGSU XCMG CONSTRUCTION MACHINERY RESEARCH INSTITUTE LTD. |
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