C08K 5/5317
Phosphonic compounds
Official title: Phosphonic compounds, e.g. R—P(:O)(OR')2
C08K5/5317 (Phosphonic compounds) appears on 728 US grants and 630 published applications in this corpus.
Search patents in C08K- Granted patents
- 728
- Published applications
- 630
- Assignees
- 381
- Inventors
- 1,739
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 27 | 0 |
| 1977 | 31 | 0 |
| 1978 | 27 | 0 |
| 1979 | 11 | 0 |
| 1980 | 15 | 0 |
| 1981 | 21 | 0 |
| 1982 | 5 | 0 |
| 1983 | 13 | 0 |
| 1984 | 15 | 0 |
| 1985 | 6 | 0 |
| 1986 | 8 | 0 |
| 1987 | 8 | 0 |
| 1988 | 7 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 10 | 0 |
| 1992 | 11 | 0 |
| 1993 | 9 | 0 |
| 1994 | 17 | 0 |
| 1995 | 9 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 13 | 0 |
| 2000 | 6 | 0 |
| 2001 | 9 | 5 |
| 2002 | 7 | 10 |
| 2003 | 10 | 7 |
| 2004 | 8 | 5 |
| 2005 | 3 | 10 |
| 2006 | 4 | 17 |
| 2007 | 5 | 16 |
| 2008 | 8 | 15 |
| 2009 | 0 | 17 |
| 2010 | 17 | 22 |
| 2011 | 12 | 28 |
| 2012 | 18 | 20 |
| 2013 | 10 | 30 |
| 2014 | 17 | 29 |
| 2015 | 18 | 43 |
| 2016 | 23 | 33 |
| 2017 | 28 | 35 |
| 2018 | 24 | 37 |
| 2019 | 28 | 46 |
| 2020 | 33 | 42 |
| 2021 | 30 | 28 |
| 2022 | 20 | 42 |
| 2023 | 21 | 25 |
| 2024 | 30 | 31 |
| 2025 | 16 | 22 |
| 2026 | 14 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Polymeric particles28 Jul 2026US 12,692,326 B2Life Technologies Corporation
- Method for preparing a copolyester28 Jul 2026US 12,692,345 B2Hanwha Solutions Corporation
- Polymer, flame-retardant composition, and method of producing polymer21 Jul 2026US 12,686,735 B2Kuraray Co., Ltd.
- Antifouling coatings and methods for coating substrates9 Jun 2026US 12,649,169 B2InnoTech Alberta Inc.
- High crystalline olefin polymer for high speed spinning26 May 2026US 12,637,557 B2W. R. Grace & Co.-Conn.
- Flame retardant, composition, and molded article1 Oct 2026US 2026/0297296 A1Adeka Corporation
- Expanded beads of polypropylene-based resin, and expanded bead molded body20 Aug 2026US 2026/0242557 A1Jsp Corporation
- Aqueous coating composition and method of preparing coating6 Aug 2026US 2026/0226281 A1Dow Global Technologies LLC
- Polyamide composition23 Jul 2026US 2026/0209474 A1BASF SE
- Sprayable pressure sensitive adhesive composition with improved flame retarding properties23 Jul 2026US 2026/0209579 A1Sika Technology AG
Most cited
By later US patents
- Hydrophilic, highly swellable hydrogels173US 5,331,059 ACassella Aktiengesellschaft · 1994
- Flame-retardant, high-impact polycarbonate molding compounds102US 5,061,745 ABayer Aktiengesellschaft · 1991
- Flexible fire retardant multi-layer structures comprising polyolefin and polyamide layers and process for making the same89US 6,114,036 AAlliedSignal Inc. · 2000
- Encrustation and bacterial resistant coatings for medical applications70US 5,877,243 AICET, Inc. · 1999
- Ion sensitive polymeric materials60US 6,194,517 B1Kimberly-Clark Worldwide, Inc. · 2001