C08K 5/357
Six-membered rings
C08K5/357 (Six-membered rings) appears on 210 US grants and 288 published applications in this corpus.
Search patents in C08K- Granted patents
- 210
- Published applications
- 288
- Assignees
- 185
- Inventors
- 729
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 2 |
| 2003 | 5 | 5 |
| 2004 | 3 | 4 |
| 2005 | 1 | 4 |
| 2006 | 2 | 3 |
| 2007 | 5 | 2 |
| 2008 | 1 | 3 |
| 2009 | 2 | 7 |
| 2010 | 2 | 9 |
| 2011 | 4 | 16 |
| 2012 | 7 | 13 |
| 2013 | 10 | 12 |
| 2014 | 6 | 10 |
| 2015 | 13 | 23 |
| 2016 | 10 | 16 |
| 2017 | 15 | 13 |
| 2018 | 8 | 13 |
| 2019 | 8 | 21 |
| 2020 | 11 | 25 |
| 2021 | 21 | 21 |
| 2022 | 12 | 14 |
| 2023 | 9 | 14 |
| 2024 | 6 | 15 |
| 2025 | 10 | 10 |
| 2026 | 11 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Dispersant composition for electricity storage device electrodes7 Jul 2026US 12,674,064 B2Kao Corporation
- Water-based compositions with long term gloss retention16 Jun 2026US 12,655,302 B2Swimc LLC
- Benzoxazine compound, resin raw material composition containing the same, curable resin composition, and cured product thereof28 Apr 2026US 12,612,393 B2Honshu Chemical Industry Co., Ltd.
- Water-soluble sheet-like coloring material, water-soluble sheet-like coloring material set, and paint set7 Apr 2026US 12,595,378 B2Kabushiki Kaisha Pilot Corporation
- Photochromic compound, naphthol derivative, curable composition, optical article, lens, and eyeglasses7 Apr 2026US 12,595,408 B2Tokuyama Corporation
- Photochromic compound, propargyl alcohol compound, curable composition, optical article, lens, and spectacles24 Sep 2026US 2026/0286216 A1Tokuyama Corporation
- (meth)acrylate, curable composition, cured body, laminate, optical article, lens, and eyeglasses3 Sep 2026US 2026/0258262 A1Tokuyama Corporation
- Hydroxyphenyltriazine co-stabilizers for stabilized polyesters13 Aug 2026US 2026/0234368 A1BASF SE
- Resin composition and uses of the same13 Aug 2026US 2026/0234399 A1Taiwan Union Technology Corporation
- Adhesive composition, cured body, laminate, optical article, lens, and spectacles13 Aug 2026US 2026/0234454 A1Tokuyama Corporation
Most cited
By later US patents
- Photochromic naphthopyran compounds213US 5,274,132 ATransitions Optical, Inc. · 1993
- Photochromic compound and articles containing the same117US 4,931,219 APPG Industries, Inc. · 1990
- Blends of ultraviolet absorbers and polyesters81US 5,480,926 AEastman Chemical Company · 1996
- Copolyester containing 4,4'-biphenyldicarboxylic acid, 1,4-cyclohexanedimethanol and an ultraviolet light absorbing compound and articles made therefrom72US 6,352,783 B1Eastman Kodak Company · 2002
- Photochromic pigment68US 5,821,287 ANational Science Council · 1998