C08K 5/49
Phosphorus-containing compounds
Official title: Phosphorus-containing compounds {(C08K5/0091 takes precedence)}
C08K5/49 (Phosphorus-containing compounds) appears on 5,234 US grants and 5,660 published applications in this corpus.
Search patents in C08K- Granted patents
- 5,234
- Published applications
- 5,660
- Assignees
- 1,699
- Inventors
- 12,472
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 142 | 0 |
| 1977 | 104 | 0 |
| 1978 | 131 | 0 |
| 1979 | 70 | 0 |
| 1980 | 85 | 0 |
| 1981 | 89 | 0 |
| 1982 | 54 | 0 |
| 1983 | 57 | 0 |
| 1984 | 55 | 0 |
| 1985 | 58 | 0 |
| 1986 | 48 | 0 |
| 1987 | 54 | 0 |
| 1988 | 45 | 0 |
| 1989 | 66 | 0 |
| 1990 | 55 | 0 |
| 1991 | 81 | 0 |
| 1992 | 74 | 0 |
| 1993 | 59 | 0 |
| 1994 | 78 | 0 |
| 1995 | 59 | 0 |
| 1996 | 53 | 0 |
| 1997 | 65 | 0 |
| 1998 | 57 | 0 |
| 1999 | 66 | 0 |
| 2000 | 61 | 0 |
| 2001 | 78 | 25 |
| 2002 | 77 | 86 |
| 2003 | 87 | 132 |
| 2004 | 98 | 143 |
| 2005 | 60 | 139 |
| 2006 | 68 | 183 |
| 2007 | 70 | 162 |
| 2008 | 73 | 151 |
| 2009 | 81 | 189 |
| 2010 | 109 | 215 |
| 2011 | 133 | 257 |
| 2012 | 120 | 201 |
| 2013 | 142 | 255 |
| 2014 | 169 | 269 |
| 2015 | 170 | 288 |
| 2016 | 182 | 289 |
| 2017 | 195 | 248 |
| 2018 | 181 | 279 |
| 2019 | 194 | 298 |
| 2020 | 205 | 319 |
| 2021 | 204 | 290 |
| 2022 | 178 | 278 |
| 2023 | 172 | 280 |
| 2024 | 182 | 272 |
| 2025 | 134 | 226 |
| 2026 | 106 | 186 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Resin composition, prepreg using same, film provided with resin, metal foil provided with resin, metal-clad laminate, and wiring board6 Oct 2026US 12,753,254 B2Panasonic Intellectual Property Management Co., Ltd.
- Transparent flame retardant ductile compositions and thin-wall articles thereof6 Oct 2026US 12,753,304 B2Shpp Global Technologies B.V.
- Image sensor with in-pixel background subtraction and motion detection29 Sep 2026US 12,747,338 B2OmniVision Technologies, Inc.
- Nucleating agent composition, olefin-based resin composition, molded article thereof, and method for producing olefin-based resin composition15 Sep 2026US 12,735,514 B2Adeka Corporation
- Resin composition and prepreg, film with resin, metal foil with resin, metal-clad laminated plate, and wiring board using same15 Sep 2026US 12,735,543 B2Panasonic Intellectual Property Management Co., Ltd.
- Composite material containing wood-based fibers and having high impact strength8 Oct 2026US 2026/0307303 A1
- Compound for use as anti-aging agent in rubber blends, and vehicle tire8 Oct 2026US 2026/0308187 A1Continental Reifen Deutschland GmbH
- Foamable Polyurethane Composition Comprising a Fatty Amide8 Oct 2026US 2026/0308307 A1Henkel AG & Co. KGaA
- 3d printing composition for biomaterials8 Oct 2026US 2026/0308309 A1Tissium
- Polycarbonate-based resin composition and molded article8 Oct 2026US 2026/0308318 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Bisacylphosphine oxides, the preparation and use thereof183US 4,737,593 AFabrik Pharmazeutischer Praparate · 1988
- Hydrophilic, highly swellable hydrogels173US 5,331,059 ACassella Aktiengesellschaft · 1994
- Method of post-polymerization stabilization of high activity catalysts in continuous polyethylene terephthalate production155US 5,898,058 AWellman, Inc. · 1999
- Flame-retardant combination152US 6,255,371 B1Clariant GmbH · 2001
- Polymer mixture having aromatic polycarbonate, styrene I containing copolymer and/or graft polymer and a flame-retardant, articles formed therefrom120US 5,204,394 AGeneral Electric Company · 1993