A61K 6/20
Protective coatings for natural or artificial teeth
Official title: Protective coatings for natural or artificial teeth, e.g. sealings, dye coatings or varnish
A61K6/20 (Protective coatings for natural or artificial teeth) appears on 726 US grants and 757 published applications in this corpus.
Search patents in A61K- Granted patents
- 726
- Published applications
- 757
- Assignees
- 364
- Inventors
- 1,511
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 9 | 0 |
| 1988 | 8 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 5 | 0 |
| 1992 | 15 | 0 |
| 1993 | 8 | 0 |
| 1994 | 9 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 14 | 0 |
| 1998 | 28 | 0 |
| 1999 | 24 | 0 |
| 2000 | 21 | 0 |
| 2001 | 22 | 9 |
| 2002 | 40 | 44 |
| 2003 | 28 | 35 |
| 2004 | 20 | 35 |
| 2005 | 15 | 34 |
| 2006 | 16 | 46 |
| 2007 | 15 | 31 |
| 2008 | 15 | 27 |
| 2009 | 20 | 27 |
| 2010 | 16 | 22 |
| 2011 | 16 | 23 |
| 2012 | 11 | 25 |
| 2013 | 19 | 17 |
| 2014 | 16 | 21 |
| 2015 | 17 | 24 |
| 2016 | 18 | 23 |
| 2017 | 17 | 37 |
| 2018 | 25 | 31 |
| 2019 | 29 | 32 |
| 2020 | 18 | 29 |
| 2021 | 25 | 33 |
| 2022 | 12 | 37 |
| 2023 | 23 | 30 |
| 2024 | 20 | 25 |
| 2025 | 25 | 34 |
| 2026 | 15 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Medical material29 Sep 2026US 12,746,185 B2Senju USA, Inc.
- Gingival barrier protective resin22 Sep 2026US 12,740,921 B1Jiangxi Dentalbright Technology Co., Ltd
- Anti-caries film, anti-caries solution, dental appliance having the anti-caries film, and method for forming anti-caries film on dental appliance8 Sep 2026US 12,727,979 B2Shanghai Ea Medical Instruments Company Limited
- Tooth mineralization solution and mineralization method thereof8 Sep 2026US 12,728,077 B2Zhejiang University
- Evaporation strategy generated antibacterial enamel-like fluorapatite-polyacrylic acid sheet for functional dental restoration11 Aug 2026US 12,702,629 B2The University of Hong Kong
- Ion substituted calcium phosphate particles24 Sep 2026US 2026/0285684 A1Psilox AB
- Dental Remineralization Using Catechol-Based Compounds10 Sep 2026US 2026/0263328 A1Mussel Polymers, Inc
- Complex for sealing dentinal tubule, reagent for treating dentin hypersensitivity, and use thereof3 Sep 2026US 2026/0256659 A1Anhui Medical University
- Dental composition20 Aug 2026US 2026/0240727 A1Kuraray Noritake Dental Inc.
- Dental varnish6 Aug 2026US 2026/0224445 A1Toothshine Limited
Most cited
By later US patents
- Method of making a dental crown for a dental preparation by means of a CAD-CAM system520US 4,937,928 AElephant Edelmetaal B.V. · 1990
- Prosthetic devices having sintered thermoplastic coatings with a porosity gradient340US 4,351,069 AUnion Carbide Corporation · 1982
- Polymerizable cement mixtures247US 4,872,936 AErnst Muhlbauer KG · 1989
- Radiopaque dental materials with nano-sized particles231US 6,387,981 B13M Innovative Properties Company · 2002
- Aesthetic dental materials228US 6,572,693 B13M Innovative Properties Company · 2003