C09C 1/0018
Uncoated and unlayered plate-like particles
Official title: {uncoated and unlayered plate-like particles}
C09C1/0018 (Uncoated and unlayered plate-like particles) appears on 134 US grants and 142 published applications in this corpus.
Search patents in C09C- Granted patents
- 134
- Published applications
- 142
- Assignees
- 80
- Inventors
- 324
- Latest grant
- 21 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 6 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 4 |
| 2003 | 7 | 8 |
| 2004 | 3 | 8 |
| 2005 | 1 | 15 |
| 2006 | 1 | 10 |
| 2007 | 14 | 6 |
| 2008 | 4 | 17 |
| 2009 | 5 | 10 |
| 2010 | 4 | 7 |
| 2011 | 8 | 12 |
| 2012 | 5 | 3 |
| 2013 | 2 | 5 |
| 2014 | 7 | 3 |
| 2015 | 4 | 2 |
| 2016 | 3 | 4 |
| 2017 | 4 | 3 |
| 2018 | 0 | 2 |
| 2019 | 3 | 7 |
| 2020 | 2 | 5 |
| 2021 | 6 | 3 |
| 2022 | 4 | 2 |
| 2023 | 4 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Near-infrared-shielding material21 Oct 2025US 12,448,521 B2Nippon Sheet Glass Co., Ltd.
- Plate-like alumina particle and a manufacturing method for the same21 Nov 2023US 11,820,901 B2DIC Corporation
- Hybrid colored metallic pigment31 Oct 2023US 11,802,210 B2Viavi Solutions Inc.
- Effect pigments3 Oct 2023US 11,773,270 B2Merck Patent GmbH
- Interference pigments5 Sep 2023US 11,746,240 B2Merck Patent GmbH
- Radar transparent mixtures of metal effect pigmets with semiconductor effect pigmentsor semiconductor effect pigments with silvery absorbing pearlescent pigments and coating formulations thereof23 Jul 2026US 2026/0209521 A1Eckart America Corporation
- Radar transparent, optically reflective semiconductor effect pigments17 Apr 2025US 2025/0122380 A1Eckart America Corporation
- Process for the production of flake-form, crystalline particles having an aurivillius structure and the use thereof as effect pigments or substrates thereof6 Mar 2025US 2025/0075080 A1Merck Patent GmbH
- Mica particulates27 Jun 2024US 2024/0209212 A1ImerTech SAS
- Interference pigments10 Nov 2022US 2022/0356356 A1Merck Patent GmbH
Most cited
By later US patents
- Platelet-shaped titanium dioxide pigment112US 5,858,078 AMerck Patent GmbH · 1999
- Method for producing embossed metallic flakelets62US 6,168,100 AToyota Jidosha Kabushiki Kaisha · 2001
- Colored and coated plateletlike pigments47US 6,630,018 B2Merck Patent GmbH · 2003
- Flaky aluminum oxide and pearlescent pigment, and production thereof45US 5,702,519 AMerck Patent Gesellschaft mit ceschrankter Haftung · 1997
- Method for preparing lamellar pigments41US 4,168,986 APolaroid Corporation · 1979