C08L 2205/20
Hollow spheres
C08L2205/20 (Hollow spheres) appears on 105 US grants and 162 published applications in this corpus.
Search patents in C08L- Granted patents
- 105
- Published applications
- 162
- Assignees
- 130
- Inventors
- 427
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 4 | 3 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 1 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 5 |
| 2008 | 0 | 3 |
| 2009 | 1 | 3 |
| 2010 | 0 | 5 |
| 2011 | 2 | 7 |
| 2012 | 1 | 2 |
| 2013 | 5 | 4 |
| 2014 | 3 | 7 |
| 2015 | 4 | 5 |
| 2016 | 4 | 3 |
| 2017 | 3 | 5 |
| 2018 | 0 | 11 |
| 2019 | 6 | 12 |
| 2020 | 6 | 13 |
| 2021 | 3 | 8 |
| 2022 | 8 | 14 |
| 2023 | 8 | 8 |
| 2024 | 4 | 4 |
| 2025 | 5 | 19 |
| 2026 | 3 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Resin composition comprising thermoplastic plastomer and hollow resin particles and molded product thereof22 Sep 2026US 12,742,070 B2Zeon Corporation
- Fabrication of aquaporin-based biomimetic membrane12 May 2026US 12,623,190 B2Nanyang Technological University
- Articles of manufacture with polyurea capsules cross-linked with chitosan24 Mar 2026US 12,582,956 B2
- Resin composition, method for producing resin composition, and insulated electrical wire30 Dec 2025US 12,509,553 B2Sumitomo Electric Industries, Ltd.
- Bulk diffuser30 Sep 2025US 12,427,755 B23M Innovative Properties Company
- Photocurable resin composition and cured product thereof1 Oct 2026US 2026/0297278 A1Threebond Co., Ltd.
- Hollow particles, elastomer composition and elastomer crosslinked molded body30 Jul 2026US 2026/0216682 A1Zeon Corporation
- Curable resin composition30 Jul 2026US 2026/0217965 A1Threebond Co., Ltd.
- Coating material, coating layer, and spring16 Jul 2026US 2026/0201206 A1NHK Spring Co., Ltd.
- Resin composition, prepreg, metal foil-clad laminate and printed circuit board16 Jul 2026US 2026/0206133 A1Zeon Corporation
Most cited
By later US patents
- Hollow acrylate polymer microspheres178US 5,045,569 AMinnesota Mining and Manufacturing Company · 1991
- Pressure-sensitive adhesive comprising hollow tacky microspheres and macromonomer-containing binder copolymer122US 4,994,322 AMinnesota Mining and Manufacturing Company · 1991
- Method and apparatus for preventing unauthorized recycling of single-use camera and permitting authorized reuse of the camera96US 5,534,962 AEastman Kodak Company · 1996
- Hollow acrylate polymer microspheres86US 5,053,436 AMinnesota Mining and Manufacturing Company · 1991
- Hollow acid-free acrylate polymeric microspheres having multiple small voids80US 4,968,562 AMinnesota Mining and Manufacturing Company · 1990