D06L 4/30
Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods: using
Official title: using reducing agents
D06L4/30 (Bleaching fibres, filaments, threads, yarns, fabrics, feathers or made-up fibrous goods: using) appears on 43 US grants and 23 published applications in this corpus.
Search patents in D06L- Granted patents
- 43
- Published applications
- 23
- Assignees
- 37
- Inventors
- 92
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 3 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 0 | 1 |
| 2020 | 5 | 2 |
| 2021 | 0 | 3 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Decolorization method of polyester fabric1 Jul 2025US 12,344,991 B2Nan Ya Plastics Corporation
- Bleaching apparatus and bleaching method of clothes23 Apr 2024US 11,965,146 B2Kuwahara Co., Ltd
- Synergistically active composition12 Sep 2023US 11,753,526 B2L. BrüGgemann GmbH & Co. KG
- Stabilization of sodium dithionite by means of various additives1 Dec 2020US 10,850,982 B2BASF SE
- Bleaching and shive reduction process for non-wood fibers24 Nov 2020US 10,844,538 B2GPCP IP Holdings LLC
- A method of treating regenerated cellulose fiber for textile and non-woven applications20 Aug 2026US 2026/0243016 A1Asia Pacific Rayon Limited
- Methods and systems for vapor-based decolorization of polyester textiles27 Nov 2025US 2025/0361671 A1Yangzhou Fu Wei Er Composite Material Co., Ltd.
- A process for decolouring textiles28 Nov 2024US 2024/0392495 A1Textile Change Aps
- Decolorization method of polyester fabric16 Mar 2023US 2023/0082495 A1Nan Ya Plastics Corporation
- Bleaching apparatus and bleaching method of clothes27 May 2021US 2021/0156063 A1Kuwahara Co., Ltd
Most cited
By later US patents
- Compositions, methods and kits for reductively removing color from dyed hair112US 6,171,347 B2Wella Aktiengesellschaft · 2001
- Use of glycine-N,N-diacetic acid derivatives as biodegradable complexing agents for alkaline earth metal ions and heavy metal ions and process for the preparation thereof59US 5,786,313 ABASF SE · 1998
- Method for permanganate bleaching of fabric and garments18US 4,795,476 AGeneral Chemical Corporation · 1989
- Composition and method for removal of stains from fibers17US 5,002,684 AHarris Research, Inc. · 1991
- Copolymerizates of unsaturated carboxylic acids, process for the preparation thereof and use thereof15US 5,760,150 ACHT R. Beitlich GmbH · 1998