C09C 2220/00
Methods of preparing the interference pigments
C09C2220/00 (Methods of preparing the interference pigments) appears on 395 US grants and 335 published applications in this corpus.
Search patents in C09C- Granted patents
- 395
- Published applications
- 335
- Assignees
- 106
- Inventors
- 612
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 9 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 9 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 16 | 3 |
| 2002 | 15 | 10 |
| 2003 | 21 | 28 |
| 2004 | 22 | 23 |
| 2005 | 11 | 18 |
| 2006 | 6 | 22 |
| 2007 | 16 | 13 |
| 2008 | 9 | 18 |
| 2009 | 7 | 17 |
| 2010 | 8 | 17 |
| 2011 | 10 | 11 |
| 2012 | 10 | 6 |
| 2013 | 3 | 9 |
| 2014 | 6 | 4 |
| 2015 | 7 | 10 |
| 2016 | 2 | 8 |
| 2017 | 10 | 20 |
| 2018 | 5 | 12 |
| 2019 | 13 | 12 |
| 2020 | 12 | 16 |
| 2021 | 17 | 13 |
| 2022 | 10 | 9 |
| 2023 | 5 | 7 |
| 2024 | 7 | 11 |
| 2025 | 11 | 12 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Plate-like PVD aluminum pigment with a protective encapsulation and method for manufacturing a plate-like PVD aluminium pigment with a protective encapsulation15 Sep 2026US 12,735,576 B2Eckart GmbH
- Encapsulation of palette flakes with nanostructured copper oxide as LiDAR reflective black pigments4 Aug 2026US 12,698,398 B2Toyota Jidosha Kabushiki Kaisha
- Lamellar particles and methods of manufacture14 Apr 2026US 12,601,862 B2Viavi Solutions Inc.
- Solvochromic effect pigments, method of production and use thereof24 Mar 2026US 12,584,022 B2Eckart GmbH
- Display panel, manufacturing method thereof, and display device thereof10 Mar 2026US 12,570,857 B2Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Foil for manufacturing micro flakes and method of manufacturing micro flakes20 Aug 2026US 2026/0241671 A1Giesecke+Devrient Currency Technology GmbH
- Effect Pigments with Sparkle20 Aug 2026US 2026/0242609 A1Sun Chemical Corporation
- Zinc sulfide interference pigments, synthesis method and cosmetic composition16 Jul 2026US 2026/0199195 A1
- Zinc sulfide interference pigments, synthesis method and cosmetic composition16 Jul 2026US 2026/0201169 A1
- Asymmetric pigment4 Jun 2026US 2026/0152639 A1Viavi Solutions Inc.
Most cited
By later US patents
- Article and method for forming thin film flakes and coatings191US 4,434,010 AOptical Coating Laboratory, Inc. · 1984
- Ink incorporating optically variable thin film flakes190US 5,059,245 AFlex Products, Inc. · 1991
- Optically variable thin film flake and collection of the same189US 5,135,812 AFlex Products, Inc. · 1992
- Color-shifting pigments and foils with luminescent coatings177US 6,565,770 B1Flex Products, Inc. · 2003
- High chroma multilayer interference platelets152US 5,571,624 AFlex Products, Inc. · 1996