C09C 1/0015
Pigments exhibiting interference colours
Official title: {Pigments exhibiting interference colours, e.g. transparent platelets of appropriate thinness or flaky substrates, e.g. mica, bearing appropriate thin transparent coatings}
C09C1/0015 (Pigments exhibiting interference colours) appears on 806 US grants and 815 published applications in this corpus.
Search patents in C09C- Granted patents
- 806
- Published applications
- 815
- Assignees
- 229
- Inventors
- 1,243
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 13 | 0 |
| 1990 | 5 | 0 |
| 1991 | 8 | 0 |
| 1992 | 13 | 0 |
| 1993 | 13 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 17 | 0 |
| 1997 | 19 | 0 |
| 1998 | 18 | 0 |
| 1999 | 12 | 0 |
| 2000 | 20 | 0 |
| 2001 | 26 | 6 |
| 2002 | 24 | 23 |
| 2003 | 38 | 43 |
| 2004 | 39 | 39 |
| 2005 | 16 | 41 |
| 2006 | 9 | 46 |
| 2007 | 34 | 34 |
| 2008 | 18 | 54 |
| 2009 | 18 | 39 |
| 2010 | 18 | 40 |
| 2011 | 26 | 51 |
| 2012 | 29 | 23 |
| 2013 | 19 | 23 |
| 2014 | 26 | 23 |
| 2015 | 21 | 21 |
| 2016 | 11 | 29 |
| 2017 | 28 | 34 |
| 2018 | 16 | 28 |
| 2019 | 28 | 31 |
| 2020 | 23 | 41 |
| 2021 | 29 | 33 |
| 2022 | 24 | 27 |
| 2023 | 19 | 22 |
| 2024 | 24 | 25 |
| 2025 | 24 | 22 |
| 2026 | 12 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09C 1/0021Comprising a core coated with only one layer having a high or361
- C09C 1/0024Comprising a stack of coating layers with alternating high and low refractive193
- C09C 1/0051Comprising a stack of coating layers with alternating low and high refractive143
- C09C 1/0018Uncoated and unlayered plate-like particles134
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
- Composition including dual cavity color shifting pigments28 Jul 2026US 12,692,397 B2Viavi Solutions Inc.
- Method for forming radiation shield and related inorganic structural color paint pigments with different nanoparticle sizes and layer thicknesses7 Jul 2026US 12,674,062 B2University of Central Florida Research Foundation, Inc.
- Optical security element12 May 2026US 12,623,480 B2Viavi Solutions Inc.
- Mid-shade red effect pigment8 Oct 2026US 2026/0308384 A1Sun Chemical Corporation
- 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
- 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
- Metal effect pigment-free radar-compatible coating on a substrate23 Jul 2026US 2026/0209531 A1Merck Patent GmbH
Most cited
By later US patents
- Thin film structure having magnetic and color shifting properties214US 4,838,648 AOptical Coating Laboratory, Inc. · 1989
- Alignable diffractive pigment flakes202US 6,902,807 B1Flex Products, Inc. · 2005
- 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