C08K 2003/2275
Ferroso-ferric oxide
Official title: {Ferroso-ferric oxide (Fe3O4)}
C08K2003/2275 (Ferroso-ferric oxide) appears on 74 US grants and 122 published applications in this corpus.
Search patents in C08K- Granted patents
- 74
- Published applications
- 122
- Assignees
- 108
- Inventors
- 344
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 3 |
| 2015 | 1 | 9 |
| 2016 | 7 | 8 |
| 2017 | 5 | 7 |
| 2018 | 8 | 10 |
| 2019 | 1 | 12 |
| 2020 | 7 | 16 |
| 2021 | 5 | 12 |
| 2022 | 4 | 14 |
| 2023 | 9 | 5 |
| 2024 | 11 | 7 |
| 2025 | 4 | 6 |
| 2026 | 3 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Polymeric particles28 Jul 2026US 12,692,326 B2Life Technologies Corporation
- Detectable and multi detectable articles28 Jul 2026US 12,692,352 B2Skinprotect Corporation Sdn Bhd
- Method for producing 3D printing material and components therefrom and 3D printing material and component produced using the method7 Jul 2026US 12,674,041 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Patterning structures in reactive ferrofluidic polymer resins23 Dec 2025US 12,503,563 B2Syracuse University
- Fluoropolymer adhesives and methods thereof15 Apr 2025US 12,275,820 B2The Boeing Company
- Polymer composition10 Sep 2026US 2026/0265484 A1Trinamix GmbH
- Biodegradable, compostable molding mass compositions, molded articles and methods of manufacture2 Jul 2026US 2026/0184901 A1Eps Global Marketing Ltd.
- Resin compositions for laser color marking and methods of using the same18 Jun 2026US 2026/0167812 A1
- Particle hydrogel with excellent mechanical properties, and preparation method and use thereof30 Apr 2026US 2026/0117068 A1Hefei University of Technology
- Silicone hydrogel ink binder for contact lenses19 Mar 2026US 2026/0078209 A1
Most cited
By later US patents
- Method for the production of clear bottles having improved reheat47US 6,022,920 AEastman Chemical Company · 2000
- Dispersion of pigments in resins and coatings systems38US 4,952,617 AColumbian Chemicals Company · 1990
- Use of iron oxide pigments in a polymethyl methacrylate article15US 4,413,089 AE. I. Du Pont de Nemours and Company · 1983
- Pigment dispersion in resin14US 4,798,856 AColumbian Chemicals Company · 1989
- Magnetic polymer particle and process for manufacturing the same14US 5,814,687 AJsr Corporation · 1998