C09C 1/043
Zinc oxide
Official title: {Zinc oxide}
C09C1/043 (Zinc oxide) appears on 247 US grants and 404 published applications in this corpus.
Search patents in C09C- Granted patents
- 247
- Published applications
- 404
- Assignees
- 220
- Inventors
- 861
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 6 |
| 2003 | 4 | 7 |
| 2004 | 5 | 17 |
| 2005 | 3 | 14 |
| 2006 | 4 | 16 |
| 2007 | 11 | 17 |
| 2008 | 10 | 18 |
| 2009 | 5 | 19 |
| 2010 | 12 | 38 |
| 2011 | 4 | 25 |
| 2012 | 14 | 10 |
| 2013 | 12 | 8 |
| 2014 | 15 | 19 |
| 2015 | 11 | 17 |
| 2016 | 10 | 18 |
| 2017 | 9 | 16 |
| 2018 | 10 | 22 |
| 2019 | 14 | 20 |
| 2020 | 14 | 15 |
| 2021 | 19 | 13 |
| 2022 | 12 | 14 |
| 2023 | 4 | 17 |
| 2024 | 4 | 14 |
| 2025 | 7 | 16 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Modified zinc oxide nanoparticles, method for modifying thereof, and quantum dot light-emitting diode6 Oct 2026US 12,757,630 B2Tcl Technology Group Corporation
- Scattering particle, ink composition including the same, and display apparatus including quantum dot layer prepared by using the ink composition19 May 2026US 12,630,732 B2Samsung Display Co., Ltd.
- Surface-modified zinc oxide particles, dispersion solution, and cosmetic17 Mar 2026US 12,576,012 B2Sumitomo Osaka Cement Co., Ltd.
- Method for the production of metal oxide pigment composite of controlled agglomerating properties and respective product3 Feb 2026US 12,540,246 B2Prodotti Gianni S.R.L.
- Dispersion liquid, composition, sealing member, light-emitting device, illumination tool, display device, method for producing dispersion solution, and method for modifying surfaces of metal oxide particles16 Dec 2025US 12,497,498 B2Sumitomo Osaka Cement Co., Ltd.
- Composite material, preparation method thereof and photoelectric device30 Jul 2026US 2026/0223589 A1Tcl Technology Group Corporation
- Composite coating and preparation method therefor, silicone rubber protective sleeve and insulator16 Jul 2026US 2026/0201176 A1Ehv Power Transmission Company of China Southern Power Grid Co., Ltd, Dali Bureau
- Polysiloxane-coated metal oxide particles, dispersion liquid, composition, cosmetic, and method for producing polysiloxane-coated metal oxide particles23 Apr 2026US 2026/0108437 A1Sumitomo Osaka Cement Co., Ltd.
- Coating agent for electron transporting layer of inverted perovskite solar cell, and inverted perovskite solar cell containing the same5 Mar 2026US 2026/0062556 A1Hanwha Solutions Corporation
- Composite filler and method for producing same26 Feb 2026US 2026/0055312 A1Nippon Aerosil Co., Ltd.
Most cited
By later US patents
- Composite nanoparticle materials and method of making the same118US 7,052,777 B2Nanophase Technologies Corporation · 2006
- Fine zinc oxide particles, process for producing the same, and use thereof88US 6,200,680 B1Nippon Shokubai Co., Ltd. · 2001
- Cosmetic preparation, surface-hydrophobized silica-coated metal oxide particles, sol of silica-coated metal oxide, and processes for producing these86US 6,534,044 B1Showa Denko K. K. · 2003
- Cosmetics, silica-coated metal oxide powder and production method therefor72US 6,235,270 B1Showa Denko K. K. · 2001
- Zinc oxide dispersions52US 5,914,101 ATioxide Specialties Limited · 1999