C08K 5/3437
Condensed with carbocyclic rings
Official title: condensed with carbocyclic rings
C08K5/3437 (Condensed with carbocyclic rings) appears on 323 US grants and 344 published applications in this corpus.
Search patents in C08K- Granted patents
- 323
- Published applications
- 344
- Assignees
- 228
- Inventors
- 1,044
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 2 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 1 |
| 2002 | 3 | 1 |
| 2003 | 2 | 5 |
| 2004 | 3 | 6 |
| 2005 | 3 | 6 |
| 2006 | 4 | 4 |
| 2007 | 1 | 6 |
| 2008 | 0 | 4 |
| 2009 | 5 | 3 |
| 2010 | 4 | 7 |
| 2011 | 2 | 11 |
| 2012 | 7 | 3 |
| 2013 | 5 | 7 |
| 2014 | 3 | 9 |
| 2015 | 16 | 44 |
| 2016 | 22 | 18 |
| 2017 | 25 | 27 |
| 2018 | 14 | 21 |
| 2019 | 16 | 19 |
| 2020 | 10 | 23 |
| 2021 | 12 | 25 |
| 2022 | 16 | 19 |
| 2023 | 13 | 22 |
| 2024 | 13 | 20 |
| 2025 | 11 | 18 |
| 2026 | 9 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical film and polarizing plate15 Sep 2026US 12,735,565 B2Tosoh Corporation
- Pigment dispersant composition, production method therefor, pigment dispersion, and actinic-ray-curable ink-jet ink26 May 2026US 12,637,531 B2Dainichiseika Color & Chemicals Mfg. Co., Ltd.
- Resin composition for forming optical component, molded product, and optical component7 Apr 2026US 12,595,359 B2Mitsui Chemicals, Inc.
- Pigment composition, coloring agent, and inkjet ink17 Mar 2026US 12,577,420 B2DIC Corporation
- Semi-conductive compound composition and method for preparing same10 Mar 2026US 12,570,843 B2Hanwha Solutions Corporation
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element8 Oct 2026US 2026/0307434 A1Compagnie Generale Des Etablissements Michelin
- Antidegradant bis(dihydro and tetrahydroquinoline) compounds and uses thereof8 Oct 2026US 2026/0308127 A1Flexsys IP Holdings, LLC
- High load capacity tire with ozone- and blooming-resistant sidewalls1 Oct 2026US 2026/0296103 A1Compagnie Generale Des Etablissements Michelin
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element1 Oct 2026US 2026/0296104 A1Compagnie Generale Des Etablissements Michelin
- Quinolineimine antidegradant compounds and uses thereof24 Sep 2026US 2026/0285812 A1Flexsys IP Holdings, LLC
Most cited
By later US patents
- Blends of ultraviolet absorbers and polyesters81US 5,480,926 AEastman Chemical Company · 1996
- Concentration of light over a particular area, and novel perylene-3,4,9,10-tetracarboxylic acid diimides63US 4,667,036 ABASF SE · 1987
- Oxidation inhibited arylcyclobutene polymers58US 5,185,391 AThe Dow Chemical Company · 1993
- Thermoformable polypropylene-based sheet50US 5,310,584 AAmoco Corporation · 1994
- Fluorescent dye blends50US 5,672,643 AMinnesota Mining and Manufacturing Company · 1997