C09B 67/0097
Dye preparations of special physical nature
Official title: {Dye preparations of special physical nature; Tablets, films, extrusion, microcapsules, sheets, pads, bags with dyes}
C09B67/0097 (Dye preparations of special physical nature) appears on 453 US grants and 599 published applications in this corpus.
Search patents in C09B- Granted patents
- 453
- Published applications
- 599
- Assignees
- 362
- Inventors
- 1,445
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 2 |
| 2002 | 4 | 5 |
| 2003 | 6 | 16 |
| 2004 | 4 | 9 |
| 2005 | 4 | 11 |
| 2006 | 9 | 10 |
| 2007 | 4 | 12 |
| 2008 | 5 | 12 |
| 2009 | 3 | 16 |
| 2010 | 7 | 10 |
| 2011 | 6 | 31 |
| 2012 | 8 | 25 |
| 2013 | 20 | 22 |
| 2014 | 17 | 29 |
| 2015 | 18 | 37 |
| 2016 | 24 | 33 |
| 2017 | 27 | 36 |
| 2018 | 26 | 45 |
| 2019 | 26 | 29 |
| 2020 | 30 | 42 |
| 2021 | 27 | 34 |
| 2022 | 23 | 37 |
| 2023 | 26 | 44 |
| 2024 | 28 | 24 |
| 2025 | 20 | 11 |
| 2026 | 13 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cosmetic and dermatological compositions6 Oct 2026US 12,751,904 B2Northeastern University
- Dye-containing water-soluble receptacle and method for producing a coloured aqueous alkali metal cyanide solution15 Sep 2026US 12,735,575 B2CyPlus GmbH
- Fluorescent microspheres evenly coated with magnetic particles and methods of use2 Jun 2026US 12,644,885 B2Emission Inc.
- Bis-azo dyes for thin film polarizers and synthesis method12 May 2026US 12,624,212 B2The Hong Kong University of Science and Technology
- Nanoparticles encapsulating soluble biologics, therapeutics, and imaging agents21 Apr 2026US 12,605,344 B2The Trustees of Princeton University
- Encapsulated colorant3 Sep 2026US 2026/0256171 A1Givaudan SA
- Novel indoline derivative and use thereof27 Aug 2026US 2026/0250247 A1Ck Regeon Inc.
- Nanoparticles encapsulating soluble biologics, therapeutics, and imaging agents30 Jul 2026US 2026/0216090 A1The Trustees of Princeton University
- Fluorescent microspheres evenly coated with magnetic particles and methods of use23 Jul 2026US 2026/0210950 A1Emission Inc.
- Reversibly thermochromic microcapsule pigment11 Jun 2026US 2026/0159693 A1KABUSHIKI KAISHA PILOT CORPORATION (also trading as PILOT CORPORATION)
Most cited
By later US patents
- Electrophoretic particles, and processes for the production thereof510US 7,002,728 B2E Ink Corporation · 2006
- Electrophoretic particles, and processes for the production thereof180US 7,247,379 B2E Ink Corporation · 2007
- Hybrid phthalocyanine derivatives and their uses126US 5,824,799 ABiosite Diagnostics, Inc. · 1998
- Delivery particle81US 9,186,642 B2The Procter & Gamble Company · 2015
- Fluorescence energy transfer and intramolecular energy transfer in particles using novel compounds77US 5,763,189 ABiosite Diagnostics, Inc. · 1998