B01J 39/22
Cellulose or wood
Official title: Cellulose or wood; Derivatives thereof
B01J39/22 (Cellulose or wood) appears on 44 US grants and 16 published applications in this corpus.
Search patents in B01J- Granted patents
- 44
- Published applications
- 16
- Assignees
- 32
- Inventors
- 110
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 5 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 2 |
| 2017 | 0 | 3 |
| 2018 | 0 | 0 |
| 2019 | 0 | 3 |
| 2020 | 1 | 0 |
| 2021 | 3 | 2 |
| 2022 | 0 | 0 |
| 2023 | 2 | 1 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cation exchange resins12 Dec 2023US 11,840,554 B2Bristol-Myers Squibb Company
- Method for producing porous cellulose particles, and porous cellulose particles27 Jun 2023US 11,685,793 B2Jnc Corporation
- Phosphorylated lignocellulosic fibers, uses and processes of preparation thereof1 Jun 2021US 11,021,577 B23R Valo, S.E.C.
- Modified biopolymers and methods of producing and using the same20 Apr 2021US 10,982,013 B2
- Methods of purifying proteins16 Mar 2021US 10,947,268 B2Bristol-Myers Squibb Company
- Novel materials and methods for refining processes17 Sep 2026US 2026/0273436 A1Lihme Protein Solutions ApS
- Bee Product Extracts, Methods of Production, and Uses Thereof5 Sep 2024US 2024/0293472 A1Quantum Technologies, Inc.
- Method of purifying proteins15 Feb 2024US 2024/0051989 A1Bristol-Myers Squibb Company
- Separation media and purification methods for nucleotides and nucleotide components using the same26 Jan 2023US 2023/0028254 A1
- Methods of purifying proteins12 Aug 2021US 2021/0246161 A1Bristol-Myers Squibb Company
Most cited
By later US patents
- Affinity matrices of modified polysaccharide supports427US 5,059,654 ACuno Incorporated · 1991
- Modified polysaccharide supports88US 4,663,163 A1987
- Hydroxyalkylated cross-linked regenerated cellulose and method of preparation thereof46US 4,175,183 ADevelopment Finance Corporation of New Zealand · 1979
- Cationically modified, cellulose-containing materials41US 4,178,438 ACiba-Geigy Corporation · 1979
- Heavy metal removal process41US 5,045,210 ACuno Incorporated · 1991