C08K 5/04
Oxygen-containing compounds
Official title: Oxygen-containing compounds {(C08K5/0091 takes precedence)}
C08K5/04 (Oxygen-containing compounds) appears on 15,653 US grants and 17,171 published applications in this corpus.
Search patents in C08K- Granted patents
- 15,653
- Published applications
- 17,171
- Assignees
- 4,857
- Inventors
- 36,804
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 335 | 0 |
| 1977 | 280 | 0 |
| 1978 | 325 | 0 |
| 1979 | 183 | 0 |
| 1980 | 172 | 0 |
| 1981 | 213 | 0 |
| 1982 | 157 | 0 |
| 1983 | 162 | 0 |
| 1984 | 172 | 0 |
| 1985 | 161 | 0 |
| 1986 | 144 | 0 |
| 1987 | 156 | 0 |
| 1988 | 164 | 0 |
| 1989 | 181 | 0 |
| 1990 | 176 | 0 |
| 1991 | 220 | 0 |
| 1992 | 196 | 0 |
| 1993 | 220 | 0 |
| 1994 | 202 | 0 |
| 1995 | 170 | 0 |
| 1996 | 164 | 0 |
| 1997 | 154 | 0 |
| 1998 | 179 | 0 |
| 1999 | 207 | 0 |
| 2000 | 180 | 0 |
| 2001 | 189 | 66 |
| 2002 | 226 | 218 |
| 2003 | 207 | 324 |
| 2004 | 213 | 329 |
| 2005 | 161 | 355 |
| 2006 | 175 | 380 |
| 2007 | 169 | 380 |
| 2008 | 140 | 421 |
| 2009 | 167 | 472 |
| 2010 | 218 | 595 |
| 2011 | 287 | 574 |
| 2012 | 309 | 578 |
| 2013 | 369 | 725 |
| 2014 | 474 | 732 |
| 2015 | 511 | 919 |
| 2016 | 654 | 924 |
| 2017 | 621 | 891 |
| 2018 | 602 | 931 |
| 2019 | 671 | 1064 |
| 2020 | 777 | 1186 |
| 2021 | 717 | 1052 |
| 2022 | 655 | 990 |
| 2023 | 673 | 936 |
| 2024 | 648 | 825 |
| 2025 | 563 | 692 |
| 2026 | 384 | 612 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coating composition comprising bacteriophage and antibacterial film formed by using same6 Oct 2026US 12,751,458 B2Kookmin University Industry Academy Cooperation Foundation
- Preparation method of superabsorbent polymer6 Oct 2026US 12,752,255 B2LG Chem.Ltd.
- Blow-molded article and method for producing the same6 Oct 2026US 12,752,469 B2Kaneka Corporation
- 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
- Composite material containing wood-based fibers and having high impact strength8 Oct 2026US 2026/0307303 A1
- Tire Comprising a Sidewall with at Least One High-Contrast Sidewall Element8 Oct 2026US 2026/0307434 A1Compagnie Generale Des Etablissements Michelin
- Acetoacetylated Alcohols8 Oct 2026US 2026/0308135 A1Arxada AG
- Polymerizable composition, ion exchange resin, ion exchange membrane, membrane electrode assembly, and hydrogen production device8 Oct 2026US 2026/0308295 A1Tokuyama Corporation
- Recycleable bioplastics, methods of manufacture thereof and articles comprising the same8 Oct 2026US 2026/0308306 A1University of Connecticut
Most cited
By later US patents
- End use applications of biodegradable polymers1,525US 5,444,113 AEcopol, LLC · 1995
- Pelletization of metal soap powders514US 5,997,768 ACiba Specialty Chemicals Corporation · 1999
- Three-piece solid golf ball354US 5,482,285 ASumitomo Rubber Industries, Ltd. · 1996
- Blends of polyactic acid312US 5,216,050 ABioPak Technology, Ltd. · 1993
- Improved golf ball cover compositions containing high levels of fatty acid salts288US 5,306,760 ALisco, Inc. · 1994