D06L 4/22
Using inorganic agents
Official title: using inorganic agents
D06L4/22 (Using inorganic agents) appears on 73 US grants and 39 published applications in this corpus.
Search patents in D06L- Granted patents
- 73
- Published applications
- 39
- Assignees
- 53
- Inventors
- 150
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 5 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 0 |
| 2003 | 2 | 1 |
| 2004 | 0 | 4 |
| 2005 | 0 | 0 |
| 2006 | 2 | 2 |
| 2007 | 1 | 3 |
| 2008 | 0 | 1 |
| 2009 | 0 | 2 |
| 2010 | 0 | 2 |
| 2011 | 2 | 3 |
| 2012 | 0 | 1 |
| 2013 | 2 | 1 |
| 2014 | 2 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 2 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 0 | 1 |
| 2021 | 1 | 4 |
| 2022 | 2 | 0 |
| 2023 | 1 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Decolorization method of polyester fabric1 Jul 2025US 12,344,991 B2Nan Ya Plastics Corporation
- Cross-linked cellulosic fibers4 Jun 2024US 12,000,066 B2
- Flame-retardant treatment of lignocellulosic materials, resulting flame-retarded lignocellulosic materials and uses thereof23 Apr 2024US 11,964,407 B2Institut Mines-Telecom
- Method for delivering proper amounts of bleach and mill dye to discolored regions of a carpet using a roller-ball applicator19 Dec 2023US 11,846,065 B2
- Process for the preparation of essential oils modified nanocellulose and application thereof30 Aug 2022US 11,427,651 B2Council of Scientific and Industrial Research
- A method of treating regenerated cellulose fiber for textile and non-woven applications20 Aug 2026US 2026/0243016 A1Asia Pacific Rayon Limited
- Cross-linked cellulosic fibers22 Aug 2024US 2024/0279846 A1Kimberly-Clark Worldwide, Inc.
- Flame-retardant treatment of lignocellulosic materials, resulting flame-retarded lignocellulosic materials and uses thereof15 Jun 2023US 2023/0182342 A1Institut Mines-Telecom
- Decolorization method of polyester fabric16 Mar 2023US 2023/0082495 A1Nan Ya Plastics Corporation
- Treatment of textile material20 May 2021US 2021/0148041 A1Acticell GmbH
Most cited
By later US patents
- Bleach compositions containing perfume oils54US 4,113,645 APolak's Frutal Works B.V. · 1978
- Low temperature bleaching with positive bromine ions (Br.sup.+)49US 4,382,799 AGlyco Chemicals, Inc. · 1983
- Method of producing a random faded effect on cloth or made-up garments, and the end-product obtained by implementation of such a method46US 4,740,213 AGolden Trade S.r.l. · 1988
- Bleaching articles32US 4,011,172 AThe Procter & Gamble Company · 1977
- Activation of hypochlorite bleaching of dyes31US 4,353,866 AThe Procter & Gamble Company · 1982