Class C23G : CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
Subclass 1/18: Cleaning or pickling metallic material with solutions or molten salts (with organic solvents C23G 5/02) with alkaline solutions using inhibitors Organic inhibitors
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11781227 | Composition useful in metal sulfide scale removal | Oct 01, 20 | Oct 10, 23 | Dorf Ketal Chemicals FZE |
| 11643731 | Method for nickel-free phosphating metal surfaces | Aug 28, 18 | May 09, 23 | Chemetall GmbH |
| 10790187 | Post-etch residue removal for advanced node beol processing | Jan 17, 18 | Sep 29, 20 | Entegris Inc. |
| 10577507 | Alkaline cleaning compositions for metal substrates | Mar 13, 14 | Mar 03, 20 | PRC-DeSoto International, Inc. |
| 10358599 | Selective etching of reactor surfaces | Sep 12, 16 | Jul 23, 19 | ASM America, Inc. |
| 10040955 | Method for removing substrates provided with organic coatings | Feb 03, 15 | Aug 07, 18 | Chemetall GmbH |
| 9731331 | Process for the demulsifying cleaning of metallic surfaces | Jul 02, 14 | Aug 15, 17 | CHEMETALL GMBH |
| 9481937 | Selective etching of reactor surfaces | Apr 30, 09 | Nov 01, 16 | ASM America, Inc. |
| 9443713 | Oxidizing aqueous cleaner for the removal of post-etch residues | Jul 01, 14 | Sep 13, 16 | ENTEGRIS, INC. |
| 9334470 | Cleaning liquid composition for electronic device | Dec 05, 12 | May 10, 16 | KANTO KAGAKU KABUSHIKI KAISHA |
| 5419779 | Stripping with aqueous composition containing hydroxylamine and an alkanolamine | Dec 02, 93 | May 30, 95 | VERSUM MATERIALS US, LLC |
| RE30796 | Scale removal, ferrous metal passivation and compositions therefor | Sep 14, 78 | Nov 17, 81 | THE DOW CHEMICAL COMPANY |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2023/0399,754 | CLEANING COMPOSITION WITH MOLYBDENUM ETCHING INHIBITOR | Jun 08, 23 | Dec 14, 23 | Not available |
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