C09B 67/0078
Preparations of vat, sulfur or indigo dyes in liquid form
Official title: {Preparations of vat, sulfur or indigo dyes in liquid form}
C09B67/0078 (Preparations of vat, sulfur or indigo dyes in liquid form) appears on 30 US grants and 28 published applications in this corpus.
Search patents in C09B- Granted patents
- 30
- Published applications
- 28
- Assignees
- 29
- Inventors
- 94
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 2 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 3 | 2 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 3 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 2 |
| 2022 | 3 | 2 |
| 2023 | 1 | 3 |
| 2024 | 3 | 2 |
| 2025 | 2 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Composition for wet indicator17 Mar 2026US 12,575,977 B2Henkel AG & Co. KGaA
- Colorant composition comprising leucoindigo for coloring fibers and fabrics10 Feb 2026US 12,545,787 B2Laboratoire Biosthétique Kosmetik GmbH & Co. KG
- Process for dyeing textiles and enzymes used therein26 Aug 2025US 12,398,509 B2Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Process and apparatus for dyeing textiles11 Mar 2025US 12,247,350 B2Rijksuniversiteit Groningen
- Process for purifying leucoindigo salt solutions using an inert gas2 Jul 2024US 12,024,633 B2Bann Quimica Ltda.
- Photocleavage of indican5 Mar 2026US 2026/0062863 A1Danmarks Tekniske Universitet
- Process for dyeing textiles22 Jan 2026US 2026/0022515 A2Rijksuniversiteit Groningen
- Process for dyeing textiles and enzymes used therein30 Oct 2025US 2025/0333903 A1Sanko Tekstil Isletmeleri San. Ve Tic. A. S.
- Colorant composition comprising leucoindigo for coloring fibers and fabrics15 May 2025US 2025/0154359 A1Laboratoire Biosthétique Kosmetik GmbH & Co. KG
- Process for dyeing textiles7 Nov 2024US 2024/0368831 A1Rijksuniversiteit Groningen
Most cited
By later US patents
- Coloring material and color filter28US 7,175,948 B2Dai Nippon Printing Co.Ltd. · 2007
- Sulfur dyes and method of preparing same: membrane process25US 4,992,078 ASandoz Ltd. · 1991
- Heat sensitive recording materials23US 4,820,682 AFuji Photo Film Co., Ltd. · 1989
- Polymer microspheres containing latent colorants and method of preparation16US 6,914,106 B2Eastman Kodak Company · 2005
- Sulfur dye compositions and their production15US 5,470,356 A1995