A61K 6/813
Comprising iron oxide
Official title: comprising iron oxide
A61K6/813 (Comprising iron oxide) appears on 51 US grants and 54 published applications in this corpus.
Search patents in A61K- Granted patents
- 51
- Published applications
- 54
- Assignees
- 39
- Inventors
- 155
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 4 |
| 2011 | 1 | 6 |
| 2012 | 3 | 2 |
| 2013 | 5 | 2 |
| 2014 | 5 | 5 |
| 2015 | 0 | 3 |
| 2016 | 4 | 2 |
| 2017 | 4 | 4 |
| 2018 | 1 | 1 |
| 2019 | 3 | 1 |
| 2020 | 1 | 4 |
| 2021 | 2 | 1 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 9 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Multi-layer porcelain block, preparation method thereof and denture11 Nov 2025US 12,465,471 B2Shenzhen Yurucheng Dental Materials Co., Ltd.
- Ceramic structure for dental application, process and its uses12 Nov 2024US 12,138,133 B2Universidade Do Minho
- Radiopaque dental composition28 Mar 2023US 11,612,548 B23M Innovative Properties Company
- Dental composition6 Sep 2022US 11,433,004 B2DENTSPLY SIRONA Inc.
- Zirconia compositional substance and method for producing the same29 Jan 2026US 2026/0028285 A1Tosoh Corporation
- Blank and method for manufacturing the same4 Sep 2025US 2025/0275839 A1Degudent GmbH
- System and method for glazing dental restorations with ceramic ink via inkjet printer31 Jul 2025US 2025/0241734 A1Zima International, Inc. d/b/a Dandy
- System and method for ceramic inkjet mesh printing31 Jul 2025US 2025/0241735 A1Zima International, Inc. d/b/a Dandy
- Ceramic Inkjet Ink Compositions for Printing on Dental Restorations31 Jul 2025US 2025/0241829 A1Zima International, Inc. d/b/a Dandy
Most cited
By later US patents
- Hydroxylapatite ceramic173US 4,097,935 ASterling Drug Inc. · 1978
- Microcrystalline inserts for megafilled composite dental restorations54US 5,057,018 AAmerican Dental Association Health Foundation · 1991
- Process for making chemically bonded composite hydroxide ceramics35US 6,770,325 B2The University of British Columbia · 2004
- Dental material34US 4,431,451 AAmerican Dental Association Health Foundation · 1984
- Dental procelain bond layer for titanium and titanium alloy copings30US 5,314,334 AAmerican Thermocraft Corporation Subsidiary of Jeneric/Pentron Incorporated · 1994