C08K 2003/2272
Ferric oxide
Official title: {Ferric oxide (Fe2O3)}
C08K2003/2272 (Ferric oxide) appears on 93 US grants and 159 published applications in this corpus.
Search patents in C08K- Granted patents
- 93
- Published applications
- 159
- Assignees
- 132
- Inventors
- 403
- 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 | 0 | 0 |
| 1990 | 0 | 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 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 2 |
| 2012 | 0 | 1 |
| 2013 | 0 | 4 |
| 2014 | 3 | 5 |
| 2015 | 6 | 11 |
| 2016 | 5 | 13 |
| 2017 | 6 | 12 |
| 2018 | 3 | 9 |
| 2019 | 7 | 17 |
| 2020 | 10 | 15 |
| 2021 | 5 | 13 |
| 2022 | 9 | 18 |
| 2023 | 10 | 8 |
| 2024 | 7 | 10 |
| 2025 | 10 | 10 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Silicone rubber foam with ablation resistance and high-efficiency heat insulation and preparation method thereof28 Jul 2026US 12,692,356 B2Hangzhou Normal University
- Addition curable liquid silicone rubber composition for flame retardant airbag21 Jul 2026US 12,686,791 B2Shin-Etsu Chemical Co., Ltd.
- Resin composition comprising two types of particles for acoustic member, ultrasound transducer, ultrasound probe, and ultrasound diagnostic apparatus19 May 2026US 12,630,695 B2Konica Minolta, Inc.
- Ferrite powder, ferrite resin composite material, and electromagnetic shielding material, electronic material, or electronic component7 Apr 2026US 12,595,188 B2Powdertech Co., Ltd.
- Titanium dioxide pigment with coloring after-treatment7 Apr 2026US 12,595,373 B2Kronos International, Inc.
- Resin composition and applications thereof30 Jul 2026US 2026/0217917 A1Dupont Electronics, Inc.
- Physical Security and Authentication Systems Using Quantum Signatures9 Jul 2026US 2026/0194607 A1Northeastern University
- Infrared radiation-absorbing material fine particle dispersion liquid and infrared radiation-absorbing material fine particle dispersion body2 Jul 2026US 2026/0184887 A1Sumitomo Metal Mining Co., Ltd.
- Halogen free and phosphorus free low loss flame retardant compositions containing polycyclic-olefinic polymers with epoxy functionality and melamine2 Jul 2026US 2026/0184892 A1Promerus, LLC
- Balancing weight composition with excellent chemical resistance and balancing weight including same30 Apr 2026US 2026/0117041 A1Flexon, Inc.
Most cited
By later US patents
- Use of iron oxide pigments in a polymethyl methacrylate article15US 4,413,089 AE. I. Du Pont de Nemours and Company · 1983
- Magnetic polymer particle and process for manufacturing the same14US 5,814,687 AJsr Corporation · 1998
- Highly active β-nucleating additive for polypropylene11US 6,992,128 B2Treofan Germany GmbH & Co. KG · 2006
- Composite multilayer material10US 6,376,061 B1Federal-Mogul Wiesbaden GmbH · 2002
- Thermoplastic resin composition9US 4,731,400 AMitsui Petrochemical Industries, Ltd. · 1988