Class C23F : NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES
Subclass 1/28: Etching metallic material by chemical means Etching compositions (C23F 1/44 takes precedence) Aqueous compositions Acidic compositions (C23F 1/42 takes precedence) for etching iron group metals
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12234560 | Metal plate, deposition mask, and manufacturing method therefor | Aug 15, 23 | Feb 25, 25 | LG INNOTEK CO., LTD. |
| 12184899 | Nested and non-nested SEI messages in video bitstreams | Mar 27, 23 | Dec 31, 24 | BEIJING BYTEDANCE NETWORK TECHNOLOGY CO., LTD.; BYTEDANCE INC.; |
| 12074348 | Austenitic stainless steel sheet for fuel cell separators and production method therefor | Jan 07, 20 | Aug 27, 24 | JFE Steel Corporation |
| 12031214 | Chemical composition for removing nickel-platinum alloy residues from a substrate, and method for removing such residues | Sep 28, 20 | Jul 09, 24 | TECHNIC FRANCE |
| 11949900 | Sub-bitstream extraction | Mar 27, 23 | Apr 02, 24 | BEIJING BYTEDANCE NETWORK TECHNOLOY CO., LTD.; BYTEDANCE INC.; |
| 11926904 | Aqueous composition, method for roughening stainless steel surface in which same is used, roughened stainless steel, and method for manufacturing same | Jun 03, 20 | Mar 12, 24 | Mitsubishi Gas Chemical Company, Inc. |
| 11923580 | Stainless steel for fuel cell separator plate and manufacturing method therefor | Jul 29, 16 | Mar 05, 24 | POSCO CO., LTD |
| 11898264 | Treatment methods and solutions for improving adhesion of gold electroplating on metal surfaces | Sep 20, 21 | Feb 13, 24 | Hutchinson Technology Incorporated |
| 11827992 | Transforming a valve metal layer into a template comprising a plurality of spaced (nano)channels and forming spaced structures therein | Jan 12, 23 | Nov 28, 23 | Interuniversitair Microelektronica Centrum (IMEC VZW); Katholieke Universiteit Leuven; |
| 11814719 | Method of manufacturing deposition mask, intermediate product to which deposition mask is allocated, and deposition mask | Mar 18, 22 | Nov 14, 23 | Dai Nippon Printing Co., Ltd. |
| 11795549 | Metal plate for deposition mask, and deposition mask and manufacturing method therefor | Mar 07, 22 | Oct 24, 23 | LG INNOTEK CO., LTD. |
| 11781224 | Metal plate, deposition mask, and manufacturing method therefor | Dec 03, 21 | Oct 10, 23 | LG INNOTEK CO., LTD. |
| 11746423 | Method for producing base for metal masks, method for producing metal mask for vapor deposition, base for metal masks, and metal mask for vapor deposition | Jul 30, 21 | Sep 05, 23 | Toppan Printing Co Ltd. |
| 11732361 | Metal plate for manufacturing deposition mask, method for manufacturing metal plate, deposition mask and method for manufacturing deposition mask | Oct 14, 20 | Aug 22, 23 | Dai Nippon Printing Co., Ltd. |
| 11732364 | Metal plate for deposition mask, and deposition mask and manufacturing method therefor | Jan 12, 22 | Aug 22, 23 | LG INNOTEK CO., LTD. |
| 11718906 | Method of metallic component surface modification for electrochemical applications | Mar 01, 21 | Aug 08, 23 | TREADSTONE TECHNOLOGIES INC. |
| 11686002 | Method for manufacturing ruthenium wiring | Aug 05, 21 | Jun 27, 23 | Tokyo Ohka Kogyo Co. LTD |
| 11667983 | Method for manufacturing metal plate | Jul 28, 20 | Jun 06, 23 | Dai Nippon Printing Co., Ltd. |
| 11655545 | Method and device for improving the surface condition of a turbomachine component | Jul 31, 19 | May 23, 23 | SAFRAN AIRCRAFT ENGINES |
| 11618966 | Porous solid materials and methods for fabrication | Jul 10, 18 | Apr 04, 23 | Interuniversitair Microelektronica Centrum (IMEC VZW); Katholieke Universiteit Leuven, KU LEUVEN R&D; |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0088,671 | NESTED AND NON-NESTED SEI MESSAGES IN VIDEO BITSTREAMS | Nov 21, 24 | Mar 13, 25 | Not available |
| 2025/0034,697 | METHOD FOR FORMING ROBUST HYDROPHOBIC SURFACES ON STEEL WORKPIECE | Jul 26, 24 | Jan 30, 25 | Not available |
| 2024/0044,014 | ROUGHENING TREATMENT METHOD FOR STAINLESS STEEL SURFACE, METHOD FOR MANUFACTURING ROUGHENED STAINLESS STEEL, AND AQUEOUS COMPOSITION USED IN SAID METHODS | Dec 13, 21 | Feb 08, 24 | Mitsubishi Gas Chemical Company Inc. |
| 2024/0044,015 | AQUEOUS COMPOSITION, STAINLESS STEEL SURFACE ROUGHENING METHOD USING SAME, AND METHOD FOR MANUFACTURING ROUGHENED STAINLESS STEEL | Dec 13, 21 | Feb 08, 24 | Mitsubishi Gas Chemical Company Inc. |
| 2023/0203,671 | SUS SURFACE TREATMENT METHOD | Dec 23, 22 | Jun 29, 23 | Not available |
| 2022/0325,419 | AQUEOUS COMPOSITION, METHOD FOR ROUGHENING STAINLESS STEEL SURFACE IN WHICH SAME IS USED, ROUGHENED STAINLESS STEEL, AND METHOD FOR MANUFACTURING SAME | Jun 03, 20 | Oct 13, 22 | Mitsubishi Gas Chemical Company, Inc. |
| 2022/0251,714 | COMPOSITION, METHOD FOR ROUGHENING STAINLESS STEEL SURFACE USING SAME, ROUGHENED STAINLESS STEEL, AND METHOD FOR PRODUCING SAID ROUGHENED STAINLESS STEEL | Jul 22, 20 | Aug 11, 22 | Mitsubishi Gas Chemical Company, Inc. |
| 2022/0145,474 | COMPOSITIONS AND METHODS FOR CREATING NANOSCALE SURFACE GEOMETRIES ON METALS OF AN IMPLANTABLE DEVICE | Nov 12, 21 | May 12, 22 | Not available |
| 2021/0332,483 | COBALT CHROME ETCHING PROCESS | Jul 02, 21 | Oct 28, 21 | Tech Met Inc. |
| 2020/0368,819 | POWDER FEED FOR INJECTION MOLDING PROCESS | Aug 14, 20 | Nov 26, 20 | Not available |
| 2019/0256,965 | METHOD OF MANUFACTURING DEPOSITION MASK, INTERMEDIATE PRODUCT TO WHICH DEPOSITION MASK IS ALLOCATED, AND DEPOSITION MASK | Apr 02, 19 | Aug 22, 19 | Dai Nippon Printing Co., Ltd. |
| 2019/0211,458 | PROCESS FOR NiFe FLUXGATE DEVICE | Mar 15, 19 | Jul 11, 19 | Not available |
| 2018/0135,186 | OXIDE FILM REMOVING METHOD | Apr 27, 16 | May 17, 18 | Not available |
| 2017/0167,033 | ETCHING AGENT AND REPLENISHING LIQUID | Jun 05, 15 | Jun 15, 17 | MEC COMPANY LTD. |
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