C08J 5/248
Using pre-treated fibres
Official title: {using pre-treated fibres}
C08J5/248 (Using pre-treated fibres) appears on 217 US grants and 268 published applications in this corpus.
Search patents in C08J- Granted patents
- 217
- Published applications
- 268
- Assignees
- 162
- Inventors
- 701
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 6 |
| 2009 | 1 | 4 |
| 2010 | 3 | 6 |
| 2011 | 3 | 7 |
| 2012 | 3 | 9 |
| 2013 | 2 | 11 |
| 2014 | 2 | 13 |
| 2015 | 7 | 16 |
| 2016 | 9 | 22 |
| 2017 | 18 | 15 |
| 2018 | 11 | 18 |
| 2019 | 19 | 24 |
| 2020 | 17 | 21 |
| 2021 | 8 | 21 |
| 2022 | 17 | 19 |
| 2023 | 14 | 19 |
| 2024 | 13 | 11 |
| 2025 | 14 | 11 |
| 2026 | 6 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Prepreg and method for manufacturing same25 Aug 2026US 12,715,969 B2The Yokohama Rubber Co., Ltd.
- Composite material and molded composite material21 Jul 2026US 12,686,736 B2Rimtec Corporation
- Sizing agent, sizing agent-adhered carbon fibers and method for producing same, aqueous dispersion of sizing agent, prepreg and method for producing same, and method for producing carbon fiber-reinforced composite material16 Jun 2026US 12,655,261 B2Mitsubishi Chemical Corporation
- Extraction of delignified, cellulose-based fibers from natural plant material, and materials incorporating such fibers12 May 2026US 12,624,500 B2University of Maryland, College Park
- Fluoroplastic substrate for high-speed communications and copper-clad fluoroplastic substrate for high-speed communications3 Feb 2026US 12,540,222 B2Shin-Etsu Chemical Co., Ltd.
- Production of composite material with a low composite porosity fraction1 Oct 2026US 2026/0297273 A1Luxembourg Institute of Science and Technology (List)
- Prepreg, metal-clad laminate, and wiring board10 Sep 2026US 2026/0264370 A1Panasonic Intellectual Property Management Co., Ltd.
- Catechol Polymer Coatings for High-Performance Polymeric Fiber Surface Functionalization23 Jul 2026US 2026/0210034 A1Mussel Polymers, Inc
- Carboxylate salts of amine compounds as sizing agents16 Jul 2026US 2026/0201634 A1Hexcel Corporation
- Carbon fiber bundle, and carbon fiber-reinforced composite material using same14 May 2026US 2026/0132550 A1Toray Industries, Inc.
Most cited
By later US patents
- Thermoplastic interleafed resin matrix composites with improved impact strength and toughness94US 4,604,319 AAmerican Cyanamid Company · 1986
- Flame retardant, low dielectric constant microsphere filled laminate87US 5,126,192 AInternational Business Machines Corporation · 1992
- Prepreg for printed circuit board and substrate for printed circuit using said prepreg82US 5,733,823 AIdemitsu Petrochemical Co., Ltd. · 1998
- Fiber-resin-carbon composites and method of fabrication42US 4,215,161 AMcDonnell Douglas Corporation · 1980
- Prepreg for printed circuit board39US 5,965,245 AHitachi Chemical Company, Ltd. · 1999