C08K 5/10
Esters
Official title: Esters; Ether-esters
C08K5/10 (Esters) appears on 3,915 US grants and 4,478 published applications in this corpus.
Search patents in C08K- Granted patents
- 3,915
- Published applications
- 4,478
- Assignees
- 1,774
- Inventors
- 10,707
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 68 | 0 |
| 1977 | 61 | 0 |
| 1978 | 81 | 0 |
| 1979 | 45 | 0 |
| 1980 | 52 | 0 |
| 1981 | 52 | 0 |
| 1982 | 40 | 0 |
| 1983 | 47 | 0 |
| 1984 | 41 | 0 |
| 1985 | 43 | 0 |
| 1986 | 33 | 0 |
| 1987 | 49 | 0 |
| 1988 | 39 | 0 |
| 1989 | 35 | 0 |
| 1990 | 38 | 0 |
| 1991 | 42 | 0 |
| 1992 | 42 | 0 |
| 1993 | 48 | 0 |
| 1994 | 40 | 0 |
| 1995 | 30 | 0 |
| 1996 | 31 | 0 |
| 1997 | 24 | 0 |
| 1998 | 50 | 0 |
| 1999 | 47 | 0 |
| 2000 | 34 | 0 |
| 2001 | 39 | 11 |
| 2002 | 51 | 59 |
| 2003 | 44 | 77 |
| 2004 | 56 | 72 |
| 2005 | 40 | 78 |
| 2006 | 36 | 76 |
| 2007 | 43 | 107 |
| 2008 | 28 | 103 |
| 2009 | 42 | 101 |
| 2010 | 52 | 142 |
| 2011 | 78 | 166 |
| 2012 | 82 | 161 |
| 2013 | 89 | 185 |
| 2014 | 114 | 231 |
| 2015 | 142 | 245 |
| 2016 | 173 | 289 |
| 2017 | 184 | 279 |
| 2018 | 178 | 257 |
| 2019 | 191 | 270 |
| 2020 | 237 | 310 |
| 2021 | 183 | 266 |
| 2022 | 162 | 241 |
| 2023 | 177 | 237 |
| 2024 | 164 | 219 |
| 2025 | 133 | 166 |
| 2026 | 85 | 130 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Preparation method of superabsorbent polymer6 Oct 2026US 12,752,255 B2LG Chem.Ltd.
- Thermoplastic polyurethane based polymeric electrolyte composition6 Oct 2026US 12,753,268 B2Huntsman International LLC
- Method for the production of a polyurethane sandwich element6 Oct 2026US 12,753,284 B2Covestro Deutschland AG
- Citrate-based plasticizer composition and resin composition comprising the same6 Oct 2026US 12,753,292 B2LG Chem.Ltd.
- Biodegradable compositions and articles made from cellulose acetate29 Sep 2026US 12,747,333 B2Eastman Chemical Company
- Composition for Use in the Sulphur Based Vulcanization of Rubber8 Oct 2026US 2026/0308354 A1Rubber Nano Products (Proprietary) Limited
- Compositions and Methods for Reduction of Odors in Petroleum-Based Products and Bituminous Materials8 Oct 2026US 2026/0308361 A1
- Hot-Melt, Pressure-Sensitive Adhesive With A Wide Range Of Application-Temperature8 Oct 2026US 2026/0308424 A1Henry Company, LLC
- Thermally conductive member, thermally conductive composition, structure, and method for reworking structure8 Oct 2026US 2026/0308435 A1Sekisui Chemical Co., Ltd.
- Treatment agent for acrylic fibers and use of the same8 Oct 2026US 2026/0308815 A1Matsumoto Yushi-Seiyaku Co., Ltd.
Most cited
By later US patents
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Blends of polyactic acid312US 5,216,050 ABioPak Technology, Ltd. · 1993
- Degradable polymer composition271US 5,502,158 AEcopol, LLC · 1996
- Water-soluble pressure-sensitive mucoadhesive and devices provided therewith for emplacement in a mucosa-lined body cavity240US 5,700,478 ACygnus, Inc. · 1997
- Degradable polymer composition231US 5,834,582 AChronopol, Inc. · 1998