D21H 11/22
Cationised
Official title: cationised
D21H11/22 (Cationised) appears on 17 US grants and 12 published applications in this corpus.
Search patents in D21H- Granted patents
- 17
- Published applications
- 12
- Assignees
- 16
- Inventors
- 49
- Latest grant
- 5 Mar 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 3 |
| 2004 | 1 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 1 |
| 2019 | 0 | 3 |
| 2020 | 2 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Preparation method and application of multifunctional intelligent cellulose-based visual label5 Mar 2024US 11,920,305 B1Northeast Forestry University
- Method and treatment system for making of paper8 Sep 2020US 10,767,317 B2Kemira Oyj
- Method for preparing nanofibrillar cellulose25 Feb 2020US 10,570,564 B2Upm-Kymmene Corporation
- Soft tissue having reduced hydrogen bonding17 Mar 2015US 8,980,054 B2Kimberly-Clark Worldwide, Inc.
- Cationic microfibrillated plant fibre and manufacturing method for same3 Mar 2015US 8,969,441 B2Kyoto University
- An efficient green process for the preparation of nanocelluloses, novel modified nanocelluloses and their application12 Oct 2023US 2023/0322962 A1Max-Planck-Gesellschaft Zur FöRderung Der Wissenschaften E. V.
- Method for storing chemically modified cellulose fibers and method for producing chemically modified cellulose nanofibers5 Mar 2020US 2020/0071426 A1Nippon Paper Industries Co., Ltd.
- Method and treatment system for making of paper25 Apr 2019US 2019/0119857 A1Kemira Oyj
- Method for dehydrating dispersion of chemically modified pulp21 Feb 2019US 2019/0055694 A1Nippon Paper Industries Co., Ltd.
- Use of DIPA-Esterquat Debonder For Tissue And Fluff Pulp Manufacturing7 Feb 2019US 2019/0040584 A1Evonik Degussa GmbH
Most cited
By later US patents
- Filter and method of making same79US 4,305,782 AAMF Incorporated · 1981
- Filter and method of making same76US 4,309,247 AAMF Incorporated · 1982
- Filter and method of making same51US 4,366,068 AAMF Incorporated · 1982
- Filter sheet50US 4,859,340 ACuno Incorporated · 1989
- Cationic fibers35US 6,849,156 B22005