C08K 5/3432
Six-membered rings
C08K5/3432 (Six-membered rings) appears on 1,517 US grants and 1,323 published applications in this corpus.
Search patents in C08K- Granted patents
- 1,517
- Published applications
- 1,323
- Assignees
- 678
- Inventors
- 3,749
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 25 | 0 |
| 1977 | 22 | 0 |
| 1978 | 34 | 0 |
| 1979 | 13 | 0 |
| 1980 | 27 | 0 |
| 1981 | 11 | 0 |
| 1982 | 23 | 0 |
| 1983 | 22 | 0 |
| 1984 | 25 | 0 |
| 1985 | 25 | 0 |
| 1986 | 21 | 0 |
| 1987 | 26 | 0 |
| 1988 | 32 | 0 |
| 1989 | 28 | 0 |
| 1990 | 28 | 0 |
| 1991 | 47 | 0 |
| 1992 | 27 | 0 |
| 1993 | 37 | 0 |
| 1994 | 33 | 0 |
| 1995 | 30 | 0 |
| 1996 | 25 | 0 |
| 1997 | 23 | 0 |
| 1998 | 32 | 0 |
| 1999 | 32 | 0 |
| 2000 | 30 | 0 |
| 2001 | 20 | 3 |
| 2002 | 32 | 23 |
| 2003 | 19 | 40 |
| 2004 | 17 | 30 |
| 2005 | 22 | 29 |
| 2006 | 18 | 32 |
| 2007 | 12 | 24 |
| 2008 | 12 | 28 |
| 2009 | 14 | 28 |
| 2010 | 26 | 43 |
| 2011 | 15 | 39 |
| 2012 | 16 | 34 |
| 2013 | 19 | 36 |
| 2014 | 26 | 41 |
| 2015 | 41 | 105 |
| 2016 | 50 | 75 |
| 2017 | 69 | 89 |
| 2018 | 55 | 66 |
| 2019 | 57 | 73 |
| 2020 | 40 | 88 |
| 2021 | 58 | 76 |
| 2022 | 51 | 76 |
| 2023 | 42 | 64 |
| 2024 | 46 | 74 |
| 2025 | 35 | 56 |
| 2026 | 27 | 51 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical film and polarizing plate15 Sep 2026US 12,735,565 B2Tosoh Corporation
- Stabilizer composition for silyl-modified polymer sealants25 Aug 2026US 12,715,980 B2Clariant International Ltd.
- Oxidized polyethylene compounds and methods of making the same18 Aug 2026US 12,709,680 B2The Regents of the University of California
- Corrosion-resistant articles and methods for making such18 Aug 2026US 12,709,687 B2Saudi Arabian Oil Company
- Optical film, display device, and composition for forming colored layer18 Aug 2026US 12,710,566 B2Toppan Inc.
- 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
- Flame retardant, composition, and molded article1 Oct 2026US 2026/0297296 A1Adeka Corporation
Most cited
By later US patents
- Stabilization of high solids coatings with synergistic combinations140US 4,619,956 AAmerican Cyanamid Company · 1986
- Stabilized polyester compositions suitable for outdoor applications98US 4,525,504 AEastman Kodak Company · 1985
- O-substituted N-hydroxy hindered amine stabilizers95US 5,204,473 ACiba-Geigy Corporation · 1993
- Polymeric substrates stabilized with N-substituted hindered amines91US 5,004,770 ACiba-Geigy Corporation · 1991
- Membranes comprising aminoacid salts in polyamine polymers and blends82US 6,099,621 AExxon Research & Engineering Co. · 2000