C09C 1/0024
Comprising a stack of coating layers with alternating high and low refractive
Official title: {comprising a stack of coating layers with alternating high and low refractive indices, wherein the first coating layer on the core surface has the high refractive index}
C09C1/0024 (Comprising a stack of coating layers with alternating high and low refractive) appears on 193 US grants and 278 published applications in this corpus.
Search patents in C09C- Granted patents
- 193
- Published applications
- 278
- Assignees
- 67
- Inventors
- 404
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 0 |
| 2002 | 3 | 5 |
| 2003 | 11 | 13 |
| 2004 | 10 | 15 |
| 2005 | 4 | 7 |
| 2006 | 3 | 12 |
| 2007 | 8 | 8 |
| 2008 | 3 | 13 |
| 2009 | 5 | 8 |
| 2010 | 3 | 22 |
| 2011 | 9 | 20 |
| 2012 | 7 | 7 |
| 2013 | 6 | 10 |
| 2014 | 13 | 9 |
| 2015 | 7 | 9 |
| 2016 | 1 | 12 |
| 2017 | 11 | 14 |
| 2018 | 1 | 6 |
| 2019 | 7 | 14 |
| 2020 | 6 | 15 |
| 2021 | 12 | 13 |
| 2022 | 10 | 15 |
| 2023 | 5 | 5 |
| 2024 | 6 | 9 |
| 2025 | 13 | 8 |
| 2026 | 6 | 9 |
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
- 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.
- Solvochromic effect pigments, method of production and use thereof24 Mar 2026US 12,584,022 B2Eckart GmbH
- Asymmetric pigment17 Feb 2026US 12,552,940 B2Viavi Solutions Inc.
- 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
- 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
- Color-tunable pigment medium25 Jun 2026US 2026/0175537 A1Viavi Solutions Inc.
Most cited
By later US patents
- Bright metal flake based pigments131US 6,150,022 AFlex Products, Inc. · 2000
- Interference pigments125US 6,596,070 B1Merck Patent Gesellschaft · 2003
- Lustrous black interference pigments100US 7,303,622 B2Merck Patent GmbH · 2007
- Composite reflective flake based pigments comprising reflector layers on bothside of a support layer83US 6,586,098 B1Flex Products, Inc. · 2003
- Interference pigments with great color strength80US 6,599,355 B1Merck Patent GmbH · 2003