C08K 5/51
Phosphorus bound to oxygen
C08K5/51 (Phosphorus bound to oxygen) appears on 4,393 US grants and 4,785 published applications in this corpus.
Search patents in C08K- Granted patents
- 4,393
- Published applications
- 4,785
- Assignees
- 1,511
- Inventors
- 10,607
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 114 | 0 |
| 1977 | 89 | 0 |
| 1978 | 113 | 0 |
| 1979 | 61 | 0 |
| 1980 | 73 | 0 |
| 1981 | 80 | 0 |
| 1982 | 46 | 0 |
| 1983 | 47 | 0 |
| 1984 | 47 | 0 |
| 1985 | 50 | 0 |
| 1986 | 38 | 0 |
| 1987 | 44 | 0 |
| 1988 | 37 | 0 |
| 1989 | 50 | 0 |
| 1990 | 42 | 0 |
| 1991 | 69 | 0 |
| 1992 | 65 | 0 |
| 1993 | 54 | 0 |
| 1994 | 73 | 0 |
| 1995 | 54 | 0 |
| 1996 | 44 | 0 |
| 1997 | 57 | 0 |
| 1998 | 50 | 0 |
| 1999 | 56 | 0 |
| 2000 | 49 | 0 |
| 2001 | 59 | 19 |
| 2002 | 63 | 72 |
| 2003 | 65 | 87 |
| 2004 | 76 | 104 |
| 2005 | 51 | 115 |
| 2006 | 47 | 162 |
| 2007 | 54 | 133 |
| 2008 | 58 | 118 |
| 2009 | 66 | 157 |
| 2010 | 88 | 178 |
| 2011 | 113 | 215 |
| 2012 | 97 | 160 |
| 2013 | 119 | 219 |
| 2014 | 137 | 234 |
| 2015 | 139 | 246 |
| 2016 | 157 | 243 |
| 2017 | 170 | 217 |
| 2018 | 155 | 238 |
| 2019 | 163 | 247 |
| 2020 | 179 | 289 |
| 2021 | 176 | 249 |
| 2022 | 153 | 238 |
| 2023 | 144 | 246 |
| 2024 | 160 | 242 |
| 2025 | 110 | 195 |
| 2026 | 92 | 162 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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.
- Processing of weatherable poly(carbonate-co-monoarylate)s with balanced flow and impact properties15 Sep 2026US 12,735,566 B2Shpp Global Technologies B.V.
- Additive composition and use thereof, condensation polymer composition, molding compound and molding compounds produced therefrom, and molded parts and use thereof8 Sep 2026US 12,729,283 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- 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