A61K 6/842
Rare earth metals
A61K6/842 (Rare earth metals) appears on 40 US grants and 38 published applications in this corpus.
Search patents in A61K- Granted patents
- 40
- Published applications
- 38
- Assignees
- 36
- Inventors
- 119
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 1 | 3 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 2 |
| 2012 | 0 | 1 |
| 2013 | 1 | 5 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 4 |
| 2018 | 1 | 0 |
| 2019 | 2 | 4 |
| 2020 | 4 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Process for producing a colored dental zirconia article23 Dec 2025US 12,502,337 B2Solventum Intellectual Properties Company
- Electro-conductive and anti-bacterial composite material, for endodontic use1 Nov 2022US 11,484,476 B2The University of Hong Kong
- Polyethylene-CNT-hydroxyapatite coated materials6 Sep 2022US 11,433,422 B2King Fahd University of Petroleum and Minerals
- Fluorescent nanoparticle compositions for dental bonded restorations4 May 2021US 10,993,888 B2Augusta University Research Institute, Inc.
- Dental materials based on low-viscosity radically polymerizable monomers with a high refractive index8 Dec 2020US 10,857,073 B2Ivoclar Vivadent AG
- Zr-cu-al alloy metallic glasses28 Aug 2025US 2025/0270681 A1Vulkam
- Dental curable composition2 Jan 2025US 2025/0000749 A1Tokuyama Dental Corporation
- Process for Producing a Colored Dental Zirconia Article5 May 2022US 2022/0133601 A13M Innovative Properties Company
- Material to fill dental spaces24 Jun 2021US 2021/0186824 A1Sonendo, Inc.
- Polyethylene-cnt-hydroxyapatite coated materials18 Jun 2020US 2020/0188952 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Process for forming alloys in situ in absence of liquid-phase sintering57US 5,318,746 AThe United States of America as represented by the Secretary of Commerce · 1994
- Acid assisted cold welding and intermetallic formation and dental applications thereof36US 5,711,866 AThe United States of America as represented by the Secretary of Commerce · 1998
- Nickel based casting alloy26US 4,556,534 ADentsply Research & Development Corp. · 1985
- Gold free alloys for firing on ceramic compositions13US 4,382,909 ADegussa AG · 1983
- Cobalt-chromium dental alloys containing ruthenium and aluminum12US 4,459,263 AJeneric Industries, Inc. · 1984