A61K 2800/45
Colour indicators
Official title: Colour indicators, e.g. pH- or Redox indicators
A61K2800/45 (Colour indicators) appears on 86 US grants and 112 published applications in this corpus.
Search patents in A61K- Granted patents
- 86
- Published applications
- 112
- Assignees
- 54
- Inventors
- 222
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 1 |
| 2003 | 0 | 5 |
| 2004 | 2 | 2 |
| 2005 | 0 | 8 |
| 2006 | 3 | 11 |
| 2007 | 1 | 2 |
| 2008 | 0 | 8 |
| 2009 | 0 | 6 |
| 2010 | 4 | 3 |
| 2011 | 2 | 4 |
| 2012 | 2 | 5 |
| 2013 | 2 | 4 |
| 2014 | 3 | 6 |
| 2015 | 1 | 5 |
| 2016 | 3 | 6 |
| 2017 | 8 | 5 |
| 2018 | 2 | 2 |
| 2019 | 2 | 4 |
| 2020 | 2 | 8 |
| 2021 | 2 | 4 |
| 2022 | 4 | 2 |
| 2023 | 0 | 3 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
| 2026 | 5 | 5 |
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
- Color-changing sanitizing compositions and methods of use16 Jun 2026US 12,653,188 B2Kimberly-Clark Worldwide, Inc.
- Device for separately dispensing materials for use together on human skin16 Jun 2026US 12,653,294 B2SunFly Brands, Inc.
- Multifunctional facial patch product10 Mar 2026US 12,569,413 B1Aso LLC
- Cosmetic and dermatological compositions6 Jan 2026US 12,514,797 B2Northeastern University
- Method of using color changing compounds in light based treatments8 Oct 2026US 2026/0306389 A1The Gillette Company
- Personal Care Product that Detects the Presence of Controlled Substances, and Methods of Use Thereof10 Sep 2026US 2026/0263345 A1Larik Biotech
- Cosmetic and Dermatological Compositions30 Apr 2026US 2026/0115110 A1Northeastern University
- Xanthommatin as Color Additive for Food, Beverage and Drug Compositions2 Apr 2026US 2026/0090963 A1Northeastern University
- Stimuli-responsive chromogenic materials, methods of making and methods of use19 Feb 2026US 2026/0047991 A1
Most cited
By later US patents
- Dental composition system and method for bleaching teeth159US 5,032,178 ADemetron Research Corporation · 1991
- Lotion which is temporarily colored upon application134US 5,567,420 A1996
- Dental bleaching system and method70US 6,036,493 AAd Dent Inc. · 2000
- Color change mouthrinse64US 5,154,917 ABeecham Inc. · 1992
- Process and composition for high efficacy teeth whitening64US 6,365,134 B1Scientific Pharmaceuticals, Inc. · 2002