A61K 6/82
Comprising hafnium oxide
Official title: comprising hafnium oxide
A61K6/82 (Comprising hafnium oxide) appears on 48 US grants and 54 published applications in this corpus.
Search patents in A61K- Granted patents
- 48
- Published applications
- 54
- Assignees
- 32
- Inventors
- 82
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 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 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 3 |
| 2003 | 0 | 2 |
| 2004 | 4 | 2 |
| 2005 | 2 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 0 | 4 |
| 2013 | 3 | 3 |
| 2014 | 4 | 6 |
| 2015 | 3 | 4 |
| 2016 | 4 | 4 |
| 2017 | 3 | 2 |
| 2018 | 2 | 5 |
| 2019 | 5 | 2 |
| 2020 | 3 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 2 |
| 2023 | 0 | 3 |
| 2024 | 0 | 1 |
| 2025 | 5 | 1 |
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
- Multi-layer porcelain block, preparation method thereof and denture11 Nov 2025US 12,465,471 B2Shenzhen Yurucheng Dental Materials Co., Ltd.
- Process for treating a porous dental zirconia block with coloring solutions2 Sep 2025US 12,404,217 B2Solventum Intellectual Properties Company
- Set of colored porous zirconia dental mill blanks and process of production19 Aug 2025US 12,390,312 B2Solventum Intellectual Properties Company
- Functionalized ceramic article20 May 2025US 12,304,873 B2Institut Straumann AG
- Dental mill blank, process for preparing the same, and uses thereof19 Jun 2025US 2025/0195185 A1
- Multi-layer porcelain block, preparation method thereof and denture15 Feb 2024US 2024/0050204 A1Shenzhen Yurucheng Dental Materials Co., Ltd.
- Set of colored porous zirconia dental mill blanks and process of production26 Oct 2023US 2023/0338123 A13M Innovative Properties Company
- Functionalized ceramic article27 Apr 2023US 2023/0131023 A1Institut Straumann AG
- Lithium disilicate glass-ceramic, method for production thereof and use thereof30 Mar 2023US 2023/0099360 A1Degudent GmbH
Most cited
By later US patents
- Polycrystalline translucent alumina-based ceramic material, uses, and methods166US 6,878,456 B23M Innovative Properties Company · 2005
- Mass production of shells and models for dental restorations produced by solid free-form fabrication methods116US 6,821,462 B2Jeneric/Pentron Incorporated · 2004
- X-ray opaque, enamel-matching dental filling composition40US 3,971,754 APennwalt Corporation · 1976
- Process for making chemically bonded composite hydroxide ceramics35US 6,770,325 B2The University of British Columbia · 2004
- Blank comprised of a zirconium oxide ceramic with an oxide additive and the use thereof31US 6,713,421 B13M Espe AG · 2004