D21C 9/1063
With compounds not otherwise provided for
Official title: {with compounds not otherwise provided for, e.g. activated gases}
D21C9/1063 (With compounds not otherwise provided for) appears on 46 US grants and 48 published applications in this corpus.
Search patents in D21C- Granted patents
- 46
- Published applications
- 48
- Assignees
- 26
- Inventors
- 81
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 1 | 0 |
| 2013 | 3 | 2 |
| 2014 | 1 | 2 |
| 2015 | 3 | 2 |
| 2016 | 2 | 5 |
| 2017 | 3 | 5 |
| 2018 | 2 | 5 |
| 2019 | 2 | 2 |
| 2020 | 2 | 4 |
| 2021 | 3 | 4 |
| 2022 | 2 | 1 |
| 2023 | 5 | 4 |
| 2024 | 2 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Crystalline cellulose reinforced cement8 Sep 2026US 12,729,158 B2
- Collapsible engagement mechanism13 Jan 2026US 12,522,537 B2
- High brightness non-wood pulp18 Feb 2025US 12,227,900 B2Kimberly-Clark Worldwide, Inc.
- Methods of microbial control4 Feb 2025US 12,215,460 B2Clean Chemistry, Inc.
- Non-wood pulp having high brightness and low debris19 Nov 2024US 12,146,262 B2Kimberly-Clark Worldwide, Inc.
- Pulp mixture6 Aug 2026US 2026/0226680 A1SöDra SkogsäGarna Ekonomisk FöRening
- Collapsible engagement mechanism23 Apr 2026US 2026/0109646 A1
- High brightness non-wood pulp8 May 2025US 2025/0146219 A1Kimberly-Clark Worldwide, Inc.
- Non-wood pulp having high brightness and low debris9 Jan 2025US 2025/0012010 A1Kimberly-Clark Worldwide, Inc.
- Crystalline Cellulose Reinforced Cement10 Oct 2024US 2024/0336526 A1Nano-Green Biorefineries Inc.
Most cited
By later US patents
- Delignification of wood pulp by vanadium-substituted polyoxometalates37US 5,302,248 AThe United States of America as represented by the Secretary of Agriculture · 1994
- Oxidative delignification of wood or wood pulp by transition metal-substituted polyoxometalates37US 5,552,019 AEmory University · 1996
- Oxidation of lignin and polysaccharides mediated by polyoxometalate treatment of wood pulp17US 5,549,789 AEmory University · 1996
- Pulping process employing nascent oxygen14US 5,770,010 AR-J Holding Company · 1998
- Product and processes from an integrated forest biorefinery10US 8,317,975 B2The Research Foundation of State University of New York · 2012