D06L 4/00
Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods
Official title: Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods; Bleaching leather or furs
D06L4/00 (Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods) appears on 953 US grants and 540 published applications in this corpus.
Search patents in D06L- Granted patents
- 953
- Published applications
- 540
- Assignees
- 358
- Inventors
- 1,980
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 49 | 0 |
| 1977 | 41 | 0 |
| 1978 | 39 | 0 |
| 1979 | 25 | 0 |
| 1980 | 26 | 0 |
| 1981 | 19 | 0 |
| 1982 | 26 | 0 |
| 1983 | 26 | 0 |
| 1984 | 19 | 0 |
| 1985 | 22 | 0 |
| 1986 | 12 | 0 |
| 1987 | 6 | 0 |
| 1988 | 14 | 0 |
| 1989 | 9 | 0 |
| 1990 | 16 | 0 |
| 1991 | 23 | 0 |
| 1992 | 8 | 0 |
| 1993 | 18 | 0 |
| 1994 | 19 | 0 |
| 1995 | 16 | 0 |
| 1996 | 26 | 0 |
| 1997 | 28 | 0 |
| 1998 | 35 | 0 |
| 1999 | 25 | 0 |
| 2000 | 39 | 0 |
| 2001 | 23 | 16 |
| 2002 | 19 | 32 |
| 2003 | 25 | 29 |
| 2004 | 23 | 31 |
| 2005 | 17 | 32 |
| 2006 | 23 | 28 |
| 2007 | 8 | 18 |
| 2008 | 7 | 17 |
| 2009 | 9 | 29 |
| 2010 | 13 | 24 |
| 2011 | 23 | 19 |
| 2012 | 11 | 17 |
| 2013 | 17 | 21 |
| 2014 | 16 | 20 |
| 2015 | 11 | 24 |
| 2016 | 11 | 14 |
| 2017 | 14 | 20 |
| 2018 | 8 | 30 |
| 2019 | 13 | 14 |
| 2020 | 21 | 22 |
| 2021 | 8 | 20 |
| 2022 | 9 | 16 |
| 2023 | 12 | 16 |
| 2024 | 12 | 18 |
| 2025 | 11 | 10 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- D06L 4/10Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods: using400
- D06L 4/60Optical bleaching or brightening350
- D06L 4/20Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods: using94
- D06L 4/40Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods: using86
- D06L 4/50Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods: by46
- D06L 4/30Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods: using43
- D06L 4/70Multi-step processes42
Recent patents
- Fabric and method for obtaining said fabric6 Oct 2026US 12,753,538 B2Siretessile S.R.L.
- Decolorization method of polyester fabric28 Jul 2026US 12,692,636 B2Nan Ya Plastics Corporation
- Extractant and extraction method for removing color-expressing foreign substances from colored polymer containing ester functional group, and method for chemically selecting polymer containing ester functional group from colored polymer mixture2 Jun 2026US 12,643,987 B2Korea Research Institute of Chemical Technology
- Durable thermoregulating textile structures and methods of manufacture16 Sep 2025US 12,416,115 B2Sysco Guest Supply, LLC
- Disposal method for waste fabric containing polyester, nylon, and dye9 Sep 2025US 12,410,298 B2Nan Ya Plastics Corporation
- A method of treating regenerated cellulose fiber for textile and non-woven applications20 Aug 2026US 2026/0243016 A1Asia Pacific Rayon Limited
- Process and plant for recycling textiles12 Feb 2026US 2026/0042892 A1Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Durable thermoregulating textile structures and methods of manufacture8 Jan 2026US 2026/0009176 A1Sysco Guest Supply, LLC
- Method for preparing carbamated cellulose fibers and method for preparing carbamated cellulose fine fibers25 Dec 2025US 2025/0389085 A1Daio Paper Corporation
- Clean industrial wash recipes for wet and dry processes for denim, and garments produced by the processes18 Dec 2025US 2025/0382741 A1CleanKore, LLC
Most cited
By later US patents
- Color-safe bleach boosters, compositions and laundry methods employing same297US 5,576,282 AThe Procter & Gamble Company · 1996
- Dry cleaning system using densified carbon dioxide and a surfactant adjunct164US 5,683,977 ALever Brothers Company, Division of Conopco, Inc. · 1997
- Alkoxylated cationic detergency ingredients164US 6,136,769 AThe Procter & Gamble Company · 2000
- Aerosol package136US 7,021,499 B2BISSELL Homecare, Inc. · 2006
- Method of dry cleaning fabrics using densified carbon dioxide130US 5,676,705 ALever Brothers Company, Division of Conopco, Inc. · 1997