D21C 9/083
With inorganic compounds
Official title: {with inorganic compounds (D21C9/086 takes precedence)}
D21C9/083 (With inorganic compounds) appears on 20 US grants and 20 published applications in this corpus.
Search patents in D21C- Granted patents
- 20
- Published applications
- 20
- Assignees
- 28
- Inventors
- 51
- Latest grant
- 29 Nov 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 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 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 1 |
| 2015 | 0 | 3 |
| 2016 | 2 | 5 |
| 2017 | 2 | 1 |
| 2018 | 3 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 0 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Selectively depolymerizing cellulosic materials for use as thermal and acoustic insulators29 Nov 2022US 11,512,427 B2DTE Materials Incorporated
- Drying/transportation and releasing MFC16 Mar 2021US 10,947,670 B2Stora Enso OYJ
- Compositions for bleaching pulps and their use16 Jun 2020US 10,683,613 B2ImerTech SAS
- Adsorbing and/or reduction of the amount of organic materials in an aqueous medium by using colloidal precipitated calcium carbonate14 Aug 2018US 10,046,984 B2Omya International AG
- Pile delignification26 Jun 2018US 10,006,167 B2Istanbul Teknik Universitesi
- Method and device for sterilizing raw material for producing at least part of a container comprising fibers, method for producing a container comprising fibers using the sterilized raw material, and container treatment plant20 Jun 2024US 2024/0200267 A1Krones AG
- Selectively depolymerizing cellulosic materials for use as thermal and acoustic insulators19 Oct 2023US 2023/0332352 A1DTE Materials Incorporated
- Volatile fatty acid control29 Sep 2022US 2022/0307198 A1Ecolab USA Inc.
- Selectively depolymerizing cellulosic materials for use as thermal and acoustic insulators20 Aug 2020US 2020/0263356 A1DTE Materials Incorporated
- Method for producing recycled fibers, and recycled fibers14 May 2020US 2020/0149220 A1Unicharm Corporation
Most cited
By later US patents
- Method for removing stickies from secondary fibers using supercritical CO.sub.2 solvent extraction27US 5,009,746 AKimberly-Clark Corporation · 1991
- Method for eliminating stickies from treatment of waste paper using hydrophobized minerals20US 6,210,526 B12001
- Process for producing very low COD unbleached pulp13US 7,226,525 B2Weyehaeuser Company · 2007
- Method of degumming cellulosic fibres11US 7,892,397 B2Alberta Innovates - Technology Futures · 2011
- Oxygen alkali detackification in secondary fiber recovery9US 5,213,661 AAir Products and Chemicals, Inc. · 1993