C08B 5/02
Cellulose nitrate , i.e. nitrocellulose
Official title: Cellulose nitrate {, i.e. nitrocellulose (rendering cellulose suitable for the preparation of cellulose nitrate C08B1/04)}
C08B5/02 (Cellulose nitrate , i.e. nitrocellulose) appears on 41 US grants and 30 published applications in this corpus.
Search patents in C08B- Granted patents
- 41
- Published applications
- 30
- Assignees
- 31
- Inventors
- 110
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 3 |
| 2004 | 1 | 2 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 1 | 2 |
| 2012 | 0 | 0 |
| 2013 | 2 | 2 |
| 2014 | 2 | 1 |
| 2015 | 0 | 3 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 2 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Nanostructures from laser-ablated nanohole templates8 Oct 2024US 12,109,737 B2Ultra Small Fibers, LLC
- Nanostructures from laser-ablated nanohole templates6 Jun 2023US 11,667,062 B2Ultra Small Fibers, LLC
- Production and use of phosphoethanolamine cellulose and derivatives6 Jun 2023US 11,667,898 B2The Board of Trustees of the Leland Stanford Junior University
- Nanostructures from laser-ablated nanohole templates26 Oct 2021US 11,155,007 B2Ultra Small Fibers, LLC
- Methods for modifying nitrocellulose having lyophobic properties2 Jan 2018US 9,856,328 B1The United States of America as represented by the Secretary of the Army
- Solvent-based oxygen barrier coating composition17 Apr 2025US 2025/0122385 A1Siegwerk Druckfarben AG & Co. KGaA
- Bacterial cellulose suspensions12 Sep 2024US 2024/0301230 A1Cellugy Aps
- Nanostructures from laser-ablated nanohole templates21 Dec 2023US 2023/0405885 A1Ultra Small Fibers, LLC
- Nanostructures from laser-ablated nanohole templates27 Jan 2022US 2022/0024084 A1Ultra Small Fibers, LLC
- Production and use of phosphoethanolamine cellulose and derivatives26 Aug 2021US 2021/0261926 A1The Board of Trustees of the Leland Stanford Junior University
Most cited
By later US patents
- Continuous process for the nitration of cellulose and apparatus therefor15US 4,206,302 ASociete Nationole des Poudres et Explosifs · 1980
- Nitrite esters of polyhydroxy polymers12US 4,138,535 A1979
- Cellulose sulfate esters11US 4,141,746 A1979
- Agent for separation11US 4,714,555 ADaicel Chemical Industries, Ltd. · 1987
- Preparation of cellulose nitrite8US 4,035,569 A1977