C09B 67/0071
Process features in the making of dyestuff preparations
Official title: {Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions}
C09B67/0071 (Process features in the making of dyestuff preparations) appears on 1,873 US grants and 1,351 published applications in this corpus.
Search patents in C09B- Granted patents
- 1,873
- Published applications
- 1,351
- Assignees
- 675
- Inventors
- 4,334
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 49 | 0 |
| 1977 | 47 | 0 |
| 1978 | 62 | 0 |
| 1979 | 36 | 0 |
| 1980 | 49 | 0 |
| 1981 | 52 | 0 |
| 1982 | 38 | 0 |
| 1983 | 34 | 0 |
| 1984 | 36 | 0 |
| 1985 | 33 | 0 |
| 1986 | 19 | 0 |
| 1987 | 29 | 0 |
| 1988 | 27 | 0 |
| 1989 | 26 | 0 |
| 1990 | 25 | 0 |
| 1991 | 22 | 0 |
| 1992 | 27 | 0 |
| 1993 | 18 | 0 |
| 1994 | 23 | 0 |
| 1995 | 18 | 0 |
| 1996 | 23 | 0 |
| 1997 | 35 | 0 |
| 1998 | 32 | 0 |
| 1999 | 53 | 0 |
| 2000 | 44 | 0 |
| 2001 | 43 | 17 |
| 2002 | 46 | 33 |
| 2003 | 41 | 35 |
| 2004 | 30 | 48 |
| 2005 | 13 | 62 |
| 2006 | 35 | 50 |
| 2007 | 31 | 58 |
| 2008 | 27 | 66 |
| 2009 | 32 | 79 |
| 2010 | 50 | 74 |
| 2011 | 36 | 59 |
| 2012 | 50 | 44 |
| 2013 | 49 | 52 |
| 2014 | 73 | 61 |
| 2015 | 38 | 58 |
| 2016 | 34 | 47 |
| 2017 | 53 | 46 |
| 2018 | 38 | 59 |
| 2019 | 40 | 45 |
| 2020 | 43 | 76 |
| 2021 | 32 | 75 |
| 2022 | 37 | 63 |
| 2023 | 31 | 57 |
| 2024 | 59 | 42 |
| 2025 | 35 | 23 |
| 2026 | 20 | 22 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C09B 67/0084Dispersions of dyes939
- C09B 67/0072Preparations with anionic dyes or reactive dyes280
- C09B 67/0092Dyes in solid form240
- C09B 67/0083Solutions of dyes199
- C09B 67/008Preparations of disperse dyes or solvent dyes103
- C09B 67/0077Preparations with possibly reduced vat, sulfur or indigo dyes95
- C09B 67/0075Preparations with cationic dyes87
- C09B 67/0079Azoic dyestuff preparations26
Recent patents
- Method for producing fluorenone25 Aug 2026US 12,715,831 B2Mitsubishi Gas Chemical Company, Inc.
- Polyalkyleneimine-based polymer as dispersants11 Aug 2026US 12,703,773 B2BASF SE
- Colour-stable preparation of a magnesium chlorophyllin alkali metal salt or alkali earth metal salt from natural sources of chlorophyll4 Aug 2026US 12,698,397 B2Givaudan SA
- Fluorescent microspheres evenly coated with magnetic particles and methods of use2 Jun 2026US 12,644,885 B2Emission Inc.
- Pigment composition, coloring composition, paint, ink, ink set, printed article, and packaging material21 Apr 2026US 12,606,707 B2artience Co., Ltd.
- Insoluble product, in particular coloring agent, and method for the production thereof3 Sep 2026US 2026/0258250 A1Döhler GmbH
- Novel indoline derivative and use thereof27 Aug 2026US 2026/0250247 A1Ck Regeon Inc.
- Process of preparation of residue free solvent blue 67 dye20 Aug 2026US 2026/0242606 A1Rathi Dye Chem (P) Ltd
- Near-infrared-transmitting black particles, ink, and molded body20 Aug 2026US 2026/0242623 A1Sekisui Chemical Co., Ltd.
- Biodegradable dye compositions and applications thereof13 Aug 2026US 2026/0234405 A1
Most cited
By later US patents
- Process for electrodepositing cationic compositions143US 3,984,299 APPG Industries, Inc. · 1976
- Treatment of deagglomerated particles with plasma-activated species115US 6,156,114 AE. I. Du Pont de Nemours and Company · 2000
- Photocurable compositions and methods105US 4,026,705 AGeneral Electric Company · 1977
- Surfactant enhanced dyeing95US 5,593,459 A1997
- Biodegradable dry cleaning solvent88US 5,888,250 ARynex Holdings Ltd. · 1999