C08K 5/134
Phenols containing ester groups
C08K5/134 (Phenols containing ester groups) appears on 638 US grants and 815 published applications in this corpus.
Search patents in C08K- Granted patents
- 638
- Published applications
- 815
- Assignees
- 421
- Inventors
- 2,193
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 8 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 8 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 12 | 0 |
| 1994 | 7 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 7 | 2 |
| 2002 | 13 | 12 |
| 2003 | 10 | 17 |
| 2004 | 11 | 14 |
| 2005 | 13 | 18 |
| 2006 | 9 | 11 |
| 2007 | 8 | 7 |
| 2008 | 5 | 19 |
| 2009 | 5 | 27 |
| 2010 | 8 | 27 |
| 2011 | 17 | 24 |
| 2012 | 14 | 22 |
| 2013 | 11 | 27 |
| 2014 | 14 | 25 |
| 2015 | 20 | 52 |
| 2016 | 30 | 44 |
| 2017 | 24 | 43 |
| 2018 | 30 | 43 |
| 2019 | 29 | 49 |
| 2020 | 33 | 59 |
| 2021 | 41 | 35 |
| 2022 | 26 | 53 |
| 2023 | 38 | 42 |
| 2024 | 20 | 55 |
| 2025 | 20 | 50 |
| 2026 | 19 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Stabilizer composition for silyl-modified polymer sealants25 Aug 2026US 12,715,980 B2Clariant International Ltd.
- Material for a polystyrene-based food packaging and preparation method11 Aug 2026US 12,703,783 B2Siamp Cedap Reunies
- Modified polyethylene resins and process for making the same7 Jul 2026US 12,674,011 B2Dow Global Technologies LLC
- Polycarbonate resin composition and molded articles16 Jun 2026US 12,655,271 B2Idemitsu Kosan Co., Ltd.
- Polyethylene composition for use with recycled polyethylene9 Jun 2026US 12,649,843 B2Sabic Global Technologies B.V.
- Composite material containing wood-based fibers and having high impact strength8 Oct 2026US 2026/0307303 A1
- Flame retardant copolyester compositions17 Sep 2026US 2026/0275101 A1Eastman Chemical Company
- Polycarbonate resin composition17 Sep 2026US 2026/0275105 A1Idemitsu Kosan Co., Ltd.
- Polyamide resin composition, film and film laminate comprising same, and pellet mixture17 Sep 2026US 2026/0275106 A1Ube Corporation
- Polymer composition and shaped articles with increased resistance to hydrolysis and enhanced comparative tracking index10 Sep 2026US 2026/0265516 A1Sipchem InnoVent SA
Most cited
By later US patents
- Stabilized polyester-polycarbonate blends and stabilization process therefor101US 4,452,933 AGeneral Electric Company · 1984
- Hot melt adhesive based on ethylene-propylene rubber (EPR) and semicrystalline olefinic polymers92US 6,143,818 AAto Findley, Inc. · 2000
- Radiation-sterilized shaped articles of olefin polymers66US 3,940,325 AChisso Corporation · 1976
- Oxidation inhibited arylcyclobutene polymers58US 5,185,391 AThe Dow Chemical Company · 1993
- Water-soluble film57US 6,166,117 AKuraray Co., Ltd. · 2000