B01J 37/32
Freeze drying, i.e. lyophilisation
B01J37/32 (Freeze drying, i.e. lyophilisation) appears on 69 US grants and 97 published applications in this corpus.
Search patents in B01J- Granted patents
- 69
- Published applications
- 97
- Assignees
- 77
- Inventors
- 262
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 7 |
| 2003 | 4 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 4 |
| 2006 | 1 | 2 |
| 2007 | 2 | 4 |
| 2008 | 0 | 2 |
| 2009 | 2 | 1 |
| 2010 | 1 | 5 |
| 2011 | 0 | 6 |
| 2012 | 2 | 1 |
| 2013 | 1 | 4 |
| 2014 | 3 | 6 |
| 2015 | 6 | 4 |
| 2016 | 4 | 6 |
| 2017 | 3 | 7 |
| 2018 | 2 | 1 |
| 2019 | 5 | 9 |
| 2020 | 3 | 2 |
| 2021 | 5 | 4 |
| 2022 | 2 | 3 |
| 2023 | 4 | 6 |
| 2024 | 3 | 4 |
| 2025 | 6 | 5 |
| 2026 | 4 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Alloy nanoparticles, method for forming the alloy nanoparticles, and alloy nanocatalyst comprising the alloy nanoparticles14 Jul 2026US 12,678,858 B2Institute for Basic Science
- Method of preparing FeMnCeOx biomaterial and method of treating antibiotic wastewater7 Jul 2026US 12,673,885 B2Qingdao University of Technology
- Ultrathin layer photocatalysts28 Apr 2026US 12,611,661 B2National Technology & Engineering Solutions of Sandia, LLC
- Materials comprising carbon-embedded nickel nanoparticles, processes for their manufacture, and use as heterogeneous catalysts10 Feb 2026US 12,544,741 B2Evonik Operations GmbH
- Hydrogenation catalyst, and preparation method therefor and use thereof16 Dec 2025US 12,496,572 B2Huaneng Clean Energy Research Institute
- Metal phosphide-graphene aerogel catalyst for hydrolysis of ammonia borane, method for preparing the same, and hydrogen production system for hydrolysis of ammonia borane comprising the same10 Sep 2026US 2026/0264069 A1The Hong Kong Polytechnic University
- Polycrystalline-iron-loaded porous biochar aerogel catalyst and preparation method and application thereof16 Apr 2026US 2026/0102759 A1Wenzhou University
- Method for forming a hetergeneous biocatalyst27 Nov 2025US 2025/0360497 A1The Regents of the University of Michigan
- Process of synthesis of graphene oxide quantum dots-iron phthalocyanine (fepc-goqds) nanocomposite composition30 Oct 2025US 2025/0332576 A1Princess Nourah Bint Abdulrahman University
- Iron-Ruthenium Dual Atom Catalyst and Method for Synthesizing the Same5 Jun 2025US 2025/0177958 A1Hong Kong Quantum AI Lab Limited
Most cited
By later US patents
- Method of forming a catalyst with inhibited mobility of nano-active material45US 8,557,727 B2SDCmaterials, Inc. · 2013
- Pinning and affixing nano-active material34US 8,652,992 B2SDCmaterials, Inc. · 2014
- Process of making fine ceramic powders from aqueous suspensions33US 5,981,445 ACorporation de I'Ecole Polytechnique · 1999
- Advanced catalysts for automotive applications27US 9,126,191 B2SDCmaterials, Inc. · 2015
- Reticulated ceramic foam catalysts for synthesis gas production24US 6,630,078 B2ConocoPhillips Company · 2003