C08J 2203/22
Expandable microspheres
Official title: Expandable microspheres, e.g. Expancel®
C08J2203/22 (Expandable microspheres) appears on 331 US grants and 553 published applications in this corpus.
Search patents in C08J- Granted patents
- 331
- Published applications
- 553
- Assignees
- 264
- Inventors
- 1,178
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 12 | 8 |
| 2002 | 7 | 9 |
| 2003 | 9 | 16 |
| 2004 | 4 | 9 |
| 2005 | 8 | 12 |
| 2006 | 2 | 9 |
| 2007 | 3 | 10 |
| 2008 | 3 | 4 |
| 2009 | 3 | 12 |
| 2010 | 5 | 9 |
| 2011 | 7 | 6 |
| 2012 | 3 | 9 |
| 2013 | 3 | 9 |
| 2014 | 3 | 12 |
| 2015 | 7 | 16 |
| 2016 | 11 | 20 |
| 2017 | 13 | 22 |
| 2018 | 10 | 24 |
| 2019 | 15 | 53 |
| 2020 | 16 | 50 |
| 2021 | 26 | 34 |
| 2022 | 25 | 50 |
| 2023 | 41 | 44 |
| 2024 | 27 | 41 |
| 2025 | 26 | 40 |
| 2026 | 22 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Process for foaming using carbon dioxide solution15 Sep 2026US 12,735,544 B2Dmn Material Technology (Jiangsu) Limited
- Foamable polypropylene composition, and foamed polypropylene and preparation method therefor1 Sep 2026US 12,723,141 B2China Energy Investment Corporation Limited
- Method for producing product, adhesive composition and foaming adhesive sheet11 Aug 2026US 12,703,809 B2Dai Nippon Printing Co.Ltd.
- Method of producing an aluminosilicate reinforced silicone syntactic thermal protection system16 Jun 2026US 12,654,885 B2Blue Origin Manufacturing, LLC
- Thermally expandable cellulose-based microspheres having low expansion temperatures16 Jun 2026US 12,655,263 B2Nouryon Chemicals International B. V.
- Method for producing polyolefin-based resin expanded beads and polyolefin-based resin expanded beads1 Oct 2026US 2026/0297276 A1Jsp Corporation
- Method for producing polyolefin-based resin expanded beads and polyolefin-based resin expanded beads1 Oct 2026US 2026/0297277 A1Jsp Corporation
- Polymeric materials comprising disulfide bridges, articles, and methods of making and using same24 Sep 2026US 2026/0286071 A13M Innovative Properties Company
- Coating material, coating layer, and spring27 Aug 2026US 2026/0251196 A1NHK Spring Co., Ltd.
- Heat-expandable microspheres and use thereof13 Aug 2026US 2026/0233442 A1Matsumoto Yushi-Seiyaku Co., Ltd.
Most cited
By later US patents
- Modified low-density polyurethane foam body89US 5,418,257 A1995
- Skived foam article containing energy absorbing phase change material86US 5,851,338 AOutlast Technologies, Inc. · 1998
- Foamed thermoplastic polyurethanes85US 7,202,284 B1Huntsman International LLC · 2007
- Articles that include a polymer foam and method for preparing same84US 6,103,152 A3M Innovative Properties Company · 2000
- Foaming compositions and methods for making and using the compositions69US 6,444,713 B1Denovus LLC · 2002