B01J 35/52
Hollow spheres
B01J35/52 (Hollow spheres) appears on 63 US grants and 68 published applications in this corpus.
Search patents in B01J- Granted patents
- 63
- Published applications
- 68
- Assignees
- 67
- Inventors
- 235
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 3 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 0 | 3 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 5 |
| 2011 | 1 | 4 |
| 2012 | 0 | 4 |
| 2013 | 4 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 1 |
| 2016 | 3 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 8 |
| 2019 | 4 | 3 |
| 2020 | 4 | 7 |
| 2021 | 4 | 1 |
| 2022 | 1 | 3 |
| 2023 | 5 | 5 |
| 2024 | 1 | 3 |
| 2025 | 2 | 2 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Catalyst medium comprising hollow microspheres22 Sep 2026US 12,741,267 B2Axens
- Catalyst for production of carboxylic acid ester, method for producing catalyst for production of carboxylic acid ester, and method for producing carboxylic acid ester18 Aug 2026US 12,708,895 B2Asahi Kasei Kabushiki Kaisha
- Bismuth/bismuth titanate heterojunction hollow nanospheres and method for preparing the same and application thereof28 Jul 2026US 12,691,437 B2Qilu University of Technology Shandong Academy
- Solid heat carrier catalyst for thermal desorption of organic matter-contaminated soil and method for preparing same14 Apr 2026US 12,599,896 B2Nanjing Gekof Institute of Environmental Protection Technology & Equipment Co., Ltd.
- Hollow spherical catalyst for fixed bed with internal fluidization of particles, and method for preparing same7 Apr 2026US 12,594,542 B2Beijing University of Chemical Technology
- Self-healing surface coating systems for passive pollutant degradation1 Oct 2026US 2026/0295562 A1
- Methods of using and preparing metal sulfide catalyst27 Aug 2026US 2026/0250126 A1King Abdullah University of Science and Technology
- 3d structure-functional design of biomass-derived solar photocatalyst for antimicrobial efficacy and chemical degradation at ambient conditions16 Apr 2026US 2026/0102758 A1The Texas A&M University System
- Method of manufacturing porous silica support and catalyst for dry methane reforming reaction26 Feb 2026US 2026/0054252 A1Gwangju Institute of Science and Technology
- Bismuth/bismuth titanate heterojunction hollow nanospheres and method for preparing the same and application thereof17 Apr 2025US 2025/0121358 A1Qilu University of Technology (Shandong Academy of Sciences)
Most cited
By later US patents
- Method for making hollow porous microspheres166US 4,671,909 A1987
- Hollow porous microspheres made from dispersed particle compositions150US 5,397,759 A1995
- Hollow porous microspheres as substrates and containers for catalyst136US 4,793,980 A1988
- Hollow porous microspheres made from dispersed particle compositions128US 5,212,143 A1993
- Hollow porous microspheres as substrates and containers for catalysts and method of making same124US 4,637,990 A1987