C08K 5/50
Phosphorus bound to carbon only
C08K5/50 (Phosphorus bound to carbon only) appears on 262 US grants and 320 published applications in this corpus.
Search patents in C08K- Granted patents
- 262
- Published applications
- 320
- Assignees
- 227
- Inventors
- 975
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 6 | 6 |
| 2003 | 6 | 10 |
| 2004 | 3 | 11 |
| 2005 | 6 | 12 |
| 2006 | 6 | 8 |
| 2007 | 8 | 13 |
| 2008 | 5 | 11 |
| 2009 | 10 | 17 |
| 2010 | 3 | 11 |
| 2011 | 9 | 18 |
| 2012 | 9 | 14 |
| 2013 | 3 | 4 |
| 2014 | 10 | 7 |
| 2015 | 6 | 9 |
| 2016 | 6 | 15 |
| 2017 | 11 | 5 |
| 2018 | 5 | 14 |
| 2019 | 5 | 19 |
| 2020 | 3 | 10 |
| 2021 | 11 | 27 |
| 2022 | 18 | 24 |
| 2023 | 9 | 12 |
| 2024 | 11 | 16 |
| 2025 | 10 | 16 |
| 2026 | 5 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Infrared cut-off filter, solid-state image sensor filter, solid-state image sensor, and method for producing solid-state image sensor filter19 May 2026US 12,630,656 B2Toppan Inc.
- Fireproof coating material28 Apr 2026US 12,612,523 B2Weifang Jia Cheng Digital Materials Co., Ltd.
- Monomer mixture, resin composition, resin molded article, panel for aquariums, illuminated sign, building component, method for producing resin composition, and method for manufacturing resin cast board24 Mar 2026US 12,583,951 B2Mitsubishi Chemical Corporation
- Fluorinated copolymer composition and crosslinked rubber article24 Feb 2026US 12,559,614 B2AGC Inc.
- Glycidyl-containing polymers, polymer compositions comprising them and their use in electrochemical cells3 Feb 2026US 12,540,207 B2Hydro-Quebec
- Cyclic olefin copolymer and curable composition17 Sep 2026US 2026/0275017 A1CPC Corporation, Taiwan
- Polycarbonate resin composition and molded article thereof13 Aug 2026US 2026/0233441 A1Teijin Limited
- Polycarbonate resin composition13 Aug 2026US 2026/0234369 A1Mitsubishi Engineering-Plastics Corporation
- Ionic liquids as flame-retardant synergists for polyamide polymers25 Jun 2026US 2026/0176449 A1
- Thermoplastic polymer composition and method for producing the same21 May 2026US 2026/0139136 A1Daikin Industries, Ltd.
Most cited
By later US patents
- Epoxy resin composition, and resin-sealed semiconductor device in which this composition is used35US 4,719,502 AKabushiki Kaisha Toshiba · 1988
- Fluoropolymers34US 6,593,416 B23M Innovative Properties Company · 2003
- Polyester resins flame retarded by poly(metal phosphinate)s31US 4,180,495 APennwalt Corporation · 1979
- Fluoroelastomer composition with improved bonding properties29US 5,284,611 AMinnesota Mining and Manufacturing Company · 1994
- Process for production of stabilized polycarbonate28US 5,668,202 ATeijin Limited · 1997