C08L 2205/04
Containing interpenetrating networks
Official title: containing interpenetrating networks
C08L2205/04 (Containing interpenetrating networks) appears on 202 US grants and 198 published applications in this corpus.
Search patents in C08L- Granted patents
- 202
- Published applications
- 198
- Assignees
- 172
- Inventors
- 608
- Latest grant
- 10 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 19 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 7 |
| 2011 | 3 | 3 |
| 2012 | 6 | 6 |
| 2013 | 4 | 6 |
| 2014 | 2 | 9 |
| 2015 | 2 | 16 |
| 2016 | 8 | 12 |
| 2017 | 4 | 14 |
| 2018 | 11 | 22 |
| 2019 | 9 | 19 |
| 2020 | 23 | 16 |
| 2021 | 13 | 16 |
| 2022 | 9 | 8 |
| 2023 | 10 | 7 |
| 2024 | 9 | 11 |
| 2025 | 4 | 9 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Network toughening of additively manufactured, high glass transition temperature materials via sequentially cured, interpenetrating polymers10 Feb 2026US 12,545,755 B2Rowan University
- Photo-curable polyimide-like materials, and method of making3 Feb 2026US 12,540,240 B2Intrnls, Inc.
- Polymer materials27 Jan 2026US 12,533,055 B2Smith & Nephew, Inc.
- Method for preparing styrene-acrylate siloxane interpenetrating polymer network composite emulsion27 May 2025US 12,312,431 B1Qingdao University of Technology
- Coating method of long-chain entangled PDMS gel with sustainable self-replenishment of lubricating layer27 May 2025US 12,312,493 B2Postech Research and Business Development Foundation
- Rubber composition for pneumatic tyre and pneumatic tyre produced therefrom17 Sep 2026US 2026/0275088 A1
- Easily dismantlable thermosetting resin composition and dismantling method27 Aug 2026US 2026/0250508 A1Sumitomo Bakelite Co., Ltd.
- Polymer processing aids based on polymeric phosphite, polydimethylsiloxane, and polyalkylene glycol13 Aug 2026US 2026/0234377 A1Dow Global Technologies LLC
- Hybrid polyurethane-epoxy waterborne primer and coatings system formed therefrom4 Dec 2025US 2025/0368831 A1Swimc LLC
- Polyurethane composite material with embedded liquid healing network and preparation method therefor11 Sep 2025US 2025/0282950 A1China Academy of Machinery Wuhan Research Institute of Materials Protection Co. Ltd.
Most cited
By later US patents
- Lubricous polymer network175US 5,693,034 ASciMed Life Systems, Inc. · 1997
- Membrane modified hydrogels147US 4,423,099 ACiba-Geigy Corporation · 1983
- Biomaterial comprising hyaluronic acid and derivatives thereof in interpenetrating polymer networks (IPN)109US 5,644,049 AM.U.R.S.T. Italian Ministry for Universitites and Scientific and Technology Research · 1997
- Interpenetrating polymeric networks102US 4,302,553 A1981
- Polymer gel composition and uses therefor96US 6,030,634 AThe Chinese University of Hong Kong · 2000