Class C23F : NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES
Subclass 1/38: Etching metallic material by chemical means Etching compositions (C23F 1/44 takes precedence) Aqueous compositions Alkaline compositions (C23F 1/42 takes precedence) for etching refractory metals
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12099029 | Superhydrophilic thick-film pH sensor based on chemical etching, and preparation method thereof | Sep 26, 21 | Sep 24, 24 | Jiangsu University |
| 11908938 | Substrate processing liquid for etching a metal layer, substrate processing method and substrate processing apparatus | Mar 04, 21 | Feb 20, 24 | SCREEN Holdings Co., Ltd. |
| 11859119 | Chemical liquid and method for treating object to be treated | Sep 17, 21 | Jan 02, 24 | FUJIFILM Corporation |
| 11686002 | Method for manufacturing ruthenium wiring | Aug 05, 21 | Jun 27, 23 | Tokyo Ohka Kogyo Co. LTD |
| 11492709 | Method and composition for etching molybdenum | Apr 14, 21 | Nov 08, 22 | Entegris Inc. |
| 11346008 | Ruthenium etching composition and method | Nov 22, 19 | May 31, 22 | Entegris Inc. |
| 11058794 | Method for surface treatment of a biocompatible metal material and implant treated by said method | Apr 05, 17 | Jul 13, 21 | SELENIUM MEDICAL |
| 11035044 | Etching solution for tungsten and GST films | Jan 16, 18 | Jun 15, 21 | VERSUM MATERIALS US, LLC |
| 10916430 | Semiconductor device and method for manufacturing the same | Jul 19, 17 | Feb 09, 21 | SEMICONDUCTOR ENERGY LABORATORY CO., LTD |
| 10865484 | Solution and method for etching titanium based materials | Mar 29, 17 | Dec 15, 20 | TECHNIC FRANCE |
| 10765494 | Titanium nano-scale etching on an implant surface | Dec 17, 18 | Sep 08, 20 | Biomet 3i LLC |
| 10332784 | Selectively removing titanium nitride hard mask and etch residue removal | Mar 22, 16 | Jun 25, 19 | VERSUM MATERIALS US, LLC |
| 10297465 | Selective metal/metal oxide etch process | Jan 13, 15 | May 21, 19 | Sachem Inc. |
| 10182887 | Titanium nano-scale etching on an implant surface | Sep 06, 17 | Jan 22, 19 | Biomet 3i LLC |
| 10155921 | Removal composition for selectively removing hard mask and methods thereof | Oct 09, 14 | Dec 18, 18 | E I DUPONT NE NEMOURS AND COMPANY; EKC Technology, Inc.; |
| 10113919 | Temperature sensor and method for producing same | Mar 22, 13 | Oct 30, 18 | Mitsubishi Materials Corporation |
| 10005991 | Removal composition for selectively removing hard mask and methods thereof | Oct 09, 14 | Jun 26, 18 | EKC Technology, Inc.; E I du Pont de Nemours and Company; |
| 9993319 | Process for providing structures for improved protein adherence on the surface of a body | Oct 19, 12 | Jun 12, 18 | Straumann Holding AG |
| 9881818 | Method for manufacturing semiconductor device | Sep 19, 14 | Jan 30, 18 | MITSUBISHI ELECTRIC CORPORATION |
| 9845538 | Etching agent, etching method and etching agent preparation liquid | Jul 03, 14 | Dec 19, 17 | WAKO PURE CHEMICAL INDUSTRIES, LTD. |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0254,390 | COMPOSITION AND METHOD FOR CREATING NANOSCALE SURFACE GEOMETRY ON AN IMPLANTABLE DEVICE | Apr 07, 24 | Aug 01, 24 | Tech Met Inc. |
| 2023/0030,323 | METHOD AND COMPOSITION FOR ETCHING MOLYBDENUM | Sep 21, 22 | Feb 02, 23 | Not available |
| 2019/0274,791 | TITANIUM NANO-SCALE ETCHING ON AN IMPLANT SURFACE | Dec 17, 18 | Sep 12, 19 | Not available |
| 2019/0127,858 | SOLUTION AND METHOD FOR ETCHING TITANIUM BASED MATERIALS | Mar 29, 17 | May 02, 19 | TECHNIC FRANCE |
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