C08K 3/20
Oxides
Official title: Oxides; Hydroxides {(graphene oxides C08K3/042)}
C08K3/20 (Oxides) appears on 8,421 US grants and 11,621 published applications in this corpus.
Search patents in C08K- Granted patents
- 8,421
- Published applications
- 11,621
- Assignees
- 3,834
- Inventors
- 25,644
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 105 | 0 |
| 1977 | 88 | 0 |
| 1978 | 103 | 0 |
| 1979 | 68 | 0 |
| 1980 | 45 | 0 |
| 1981 | 61 | 0 |
| 1982 | 42 | 0 |
| 1983 | 40 | 0 |
| 1984 | 44 | 0 |
| 1985 | 41 | 0 |
| 1986 | 42 | 0 |
| 1987 | 55 | 0 |
| 1988 | 51 | 0 |
| 1989 | 67 | 0 |
| 1990 | 45 | 0 |
| 1991 | 80 | 0 |
| 1992 | 84 | 0 |
| 1993 | 98 | 0 |
| 1994 | 74 | 0 |
| 1995 | 73 | 0 |
| 1996 | 68 | 0 |
| 1997 | 58 | 0 |
| 1998 | 76 | 0 |
| 1999 | 84 | 0 |
| 2000 | 87 | 0 |
| 2001 | 96 | 34 |
| 2002 | 96 | 103 |
| 2003 | 92 | 155 |
| 2004 | 91 | 143 |
| 2005 | 80 | 188 |
| 2006 | 77 | 170 |
| 2007 | 59 | 196 |
| 2008 | 64 | 227 |
| 2009 | 58 | 261 |
| 2010 | 124 | 311 |
| 2011 | 126 | 305 |
| 2012 | 156 | 316 |
| 2013 | 170 | 371 |
| 2014 | 258 | 489 |
| 2015 | 309 | 630 |
| 2016 | 367 | 610 |
| 2017 | 376 | 634 |
| 2018 | 420 | 728 |
| 2019 | 482 | 736 |
| 2020 | 530 | 832 |
| 2021 | 510 | 806 |
| 2022 | 448 | 791 |
| 2023 | 518 | 810 |
| 2024 | 473 | 707 |
| 2025 | 455 | 598 |
| 2026 | 307 | 470 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Low viscosity nonaqueous metal oxide particle dispersions6 Oct 2026US 12,751,911 B2Inolex Investment Corporation
- Cover coating with good adhesion on polyurethane and polyurea membranes6 Oct 2026US 12,753,267 B2Sika Technology AG
- Flame-retardant vibration isolation rubber composition and flame-retardant vibration isolation rubber member6 Oct 2026US 12,753,294 B2Sumitomo Riko Company Limited
- Systems and methods for a remote control actuator6 Oct 2026US 12,753,743 B2Trustees of Tufts College
- Ultraviolet detection material6 Oct 2026US 12,754,072 B2Shinko Electric Industries Co., Ltd.
- Superhydrophobic antifouling compositions and applications thereof8 Oct 2026US 2026/0306711 A1University of Georgia Research Foundation, Inc.
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element8 Oct 2026US 2026/0307434 A1Compagnie Generale Des Etablissements Michelin
- Dispersion of titanium dioxide fine particles in organic solvent, method for producing same, and use of same8 Oct 2026US 2026/0308008 A1Ishihara Sangyo Kaisha, Ltd.
- Foamable Polyurethane Composition Comprising a Fatty Amide8 Oct 2026US 2026/0308307 A1Henkel AG & Co. KGaA
- Thermal radical curable thermoconductive silicone composition, and method for producing same8 Oct 2026US 2026/0308329 A1Shin-Etsu Chemical Co., Ltd.
Most cited
By later US patents
- Pelletization of metal soap powders514US 5,997,768 ACiba Specialty Chemicals Corporation · 1999
- Electro-optic display and materials for use therein447US 7,535,624 B2E Ink Corporation · 2009
- Surgical implant and method for its production442US 3,987,499 ASybron Corporation · 1976
- Method of preparing nano-structured surface coatings and coated articles383US 7,892,606 B2Dsm IP Assets B.V. · 2011
- Antimicrobial compositions382US 4,603,152 ABaxter Travenol Laboratories, Inc. · 1986