B01J 2220/4837
Lignin
B01J2220/4837 (Lignin) appears on 26 US grants and 41 published applications in this corpus.
Search patents in B01J- Granted patents
- 26
- Published applications
- 41
- Assignees
- 29
- Inventors
- 98
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 2 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 4 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 3 |
| 2017 | 2 | 0 |
| 2018 | 1 | 3 |
| 2019 | 3 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 3 |
| 2023 | 1 | 2 |
| 2024 | 2 | 11 |
| 2025 | 2 | 2 |
| 2026 | 4 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Mineral fiber product28 Apr 2026US 12,612,782 B2Rockwool A/S
- Insulation products7 Apr 2026US 12,595,655 B2Rockwool A/S
- Acoustic products7 Apr 2026US 12,595,656 B2Rockwool A/S
- Bio-based carbon foam31 Mar 2026US 12,590,197 B2Stora Enso OYJ
- Recovery method of organic molecules from a complex matrix9 Dec 2025US 12,492,348 B2Centre National De La Recherche Scientifique
- Mineral fiber product6 Aug 2026US 2026/0226734 A1Rockwool A/S
- Sports field with shock pad6 Nov 2025US 2025/0341062 A1Rockwool A/S
- Sorbents having high volumetric iodine and molasses values for removal of pfas from fluids and methods of making and using the same30 Oct 2025US 2025/0333331 A1Calgon Carbon Corporation
- Insulation products5 Dec 2024US 2024/0399716 A1Rockwool Internatonal A/S
- Method of draining water26 Sep 2024US 2024/0316533 A1Rockwool A/S
Most cited
By later US patents
- Biochar products and method of manufacture thereof23US 8,986,581 B2Carbron Basis Company Ltd. · 2015
- Biochar products and method of manufacture thereof23US 9,968,911 B22018
- Filters and filter materials for the removal of microorganisms and processes for using the same13US 6,827,854 B2The Procter & Gamble Company · 2004
- Processes for manufacturing particles coated with activated lignosulfonate12US 6,733,827 B2The Procter & Gamble Company · 2004
- Mercury adsorbents compatible as cement additives10US 8,329,614 B2Praxair Technology, Inc. · 2012