D06L 4/13
Using inorganic agents
Official title: using inorganic agents
D06L4/13 (Using inorganic agents) appears on 81 US grants and 87 published applications in this corpus.
Search patents in D06L- Granted patents
- 81
- Published applications
- 87
- Assignees
- 76
- Inventors
- 254
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 0 | 4 |
| 2003 | 7 | 9 |
| 2004 | 2 | 2 |
| 2005 | 1 | 5 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 0 | 2 |
| 2010 | 1 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 2 |
| 2013 | 1 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 8 |
| 2016 | 1 | 2 |
| 2017 | 1 | 5 |
| 2018 | 1 | 3 |
| 2019 | 2 | 2 |
| 2020 | 6 | 4 |
| 2021 | 1 | 6 |
| 2022 | 2 | 5 |
| 2023 | 1 | 3 |
| 2024 | 3 | 8 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fabric and method for obtaining said fabric6 Oct 2026US 12,753,538 B2Siretessile S.R.L.
- Disposal method for waste fabric containing polyester, nylon, and dye9 Sep 2025US 12,410,298 B2Nan Ya Plastics Corporation
- Decolorization method of polyester fabric1 Jul 2025US 12,344,991 B2Nan Ya Plastics Corporation
- Method and apparatus for treating a textile fabric29 Apr 2025US 12,286,740 B2Jeanologia, S. L.
- Method of decolorizing fabrics15 Apr 2025US 12,276,064 B2Soko Chimica Srl
- Process and plant for recycling textiles12 Feb 2026US 2026/0042892 A1Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Method for preparing carbamated cellulose fibers and method for preparing carbamated cellulose fine fibers25 Dec 2025US 2025/0389085 A1Daio Paper Corporation
- Method and apparatus for treating a textile fabric24 Jul 2025US 2025/0236997 A1Jeanologia, S. L.
- A process for decolouring textiles28 Nov 2024US 2024/0392495 A1Textile Change Aps
- Fabric and method for obtaining said fabric24 Oct 2024US 2024/0352637 A1Siretessile S.R.L.
Most cited
By later US patents
- Bleach compositions comprising manganese-containing bleach catalysts65US 5,686,014 AThe Procter & Gamble Company · 1997
- Removal of excess dye from new textiles29US 5,356,437 ANovo Nordisk A/S · 1994
- Method of bleaching dyed cotton garments19US 4,961,751 ACarus Corporation · 1990
- Method of treating a textile15US 6,245,115 B1Unilever Home & Personal Care USA, Division of Conopco, Inc. · 2001
- Method of fiber scouring with supercritical carbon dioxide13US 6,183,521 B2Industrial Technology Research Institute · 2001