C08F 8/40
Introducing phosphorus atoms or phosphorus-containing groups
C08F8/40 (Introducing phosphorus atoms or phosphorus-containing groups) appears on 271 US grants and 208 published applications in this corpus.
Search patents in C08F- Granted patents
- 271
- Published applications
- 208
- Assignees
- 186
- Inventors
- 676
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 6 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 5 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 1 |
| 2002 | 5 | 11 |
| 2003 | 9 | 7 |
| 2004 | 6 | 4 |
| 2005 | 2 | 3 |
| 2006 | 7 | 11 |
| 2007 | 2 | 3 |
| 2008 | 1 | 3 |
| 2009 | 4 | 5 |
| 2010 | 4 | 6 |
| 2011 | 2 | 10 |
| 2012 | 5 | 8 |
| 2013 | 10 | 19 |
| 2014 | 8 | 7 |
| 2015 | 10 | 10 |
| 2016 | 10 | 12 |
| 2017 | 7 | 13 |
| 2018 | 14 | 12 |
| 2019 | 8 | 14 |
| 2020 | 14 | 11 |
| 2021 | 10 | 6 |
| 2022 | 7 | 8 |
| 2023 | 3 | 4 |
| 2024 | 4 | 7 |
| 2025 | 4 | 5 |
| 2026 | 2 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Phosphorylated vinyl acetate copolymer, separator, and non-aqueous electrolyte battery including the same21 Apr 2026US 12,609,363 B2LG Energy Solution, Ltd.
- Composition, method of producing substrate, and polymer20 Jan 2026US 12,529,144 B2Jsr Corporation
- Brush polymer terminated with phosphonate for DSA29 Apr 2025US 12,286,503 B2Merck Patent GmbH
- Flame retardant pressure-sensitive adhesive and method of making29 Apr 2025US 12,286,507 B23M Innovative Properties Company
- Complex compound and method for manufacturing the same22 Apr 2025US 12,280,364 B2Maruzen Petrochemical Co., Ltd.
- Resin for extracting lithium from lithium precipitation mother liquor, and preparation method and application thereof17 Sep 2026US 2026/0273509 A1Xi'an Lanshen New Material Technology Co., Ltd.
- Reactive flame retardant containing benzocyclobutene group-bearing cyclophosphazene, and preparation method and use thereof23 Jul 2026US 2026/0209400 A1Wuhan Desytek Environmental Protection & New Materials Co., Ltd.
- Functionalized and non-functionalized amphiphilic polymers based on polyacrylic acid for the solubilization, isolation and molecular labelling of membrane proteins in aqueous media16 Jul 2026US 2026/0201090 A1CUBE BIOTECH GmbH
- Phosphonium-based anion exchange polymers for moisture swing direct air capture of carbon dioxide25 Jun 2026US 2026/0175162 A1Arizona Board of Regents on behalf of Arizona State University
- Composition and polymer25 Jun 2026US 2026/0176389 A1Tokyo Ohka Kogyo.Co., Ltd.
Most cited
By later US patents
- Proton conducting polymers used as membranes200US 5,525,436 ACase Western Reserve University · 1996
- Solid-phase synthesis of polynucleotides187US 4,401,796 ACity of Hope Research Institute · 1983
- Hydrophilic, highly swellable hydrogels173US 5,331,059 ACassella Aktiengesellschaft · 1994
- Polymer treatments76US 5,453,467 ABiocompatibles Limited · 1995
- Phosphonomethylated polyvinylamines and preparation and use thereof74US 6,264,839 B1BASF SE · 2001