A61K 2800/26
Optical properties
A61K2800/26 (Optical properties) appears on 730 US grants and 921 published applications in this corpus.
Search patents in A61K- Granted patents
- 730
- Published applications
- 921
- Assignees
- 356
- Inventors
- 2,079
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 2 | 0 |
| 1979 | 6 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 13 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 5 | 0 |
| 1992 | 8 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 15 | 0 |
| 1996 | 15 | 0 |
| 1997 | 18 | 0 |
| 1998 | 21 | 0 |
| 1999 | 18 | 0 |
| 2000 | 22 | 0 |
| 2001 | 13 | 10 |
| 2002 | 28 | 15 |
| 2003 | 19 | 24 |
| 2004 | 7 | 31 |
| 2005 | 6 | 20 |
| 2006 | 5 | 15 |
| 2007 | 10 | 14 |
| 2008 | 7 | 29 |
| 2009 | 4 | 18 |
| 2010 | 9 | 31 |
| 2011 | 8 | 22 |
| 2012 | 12 | 20 |
| 2013 | 18 | 23 |
| 2014 | 22 | 41 |
| 2015 | 15 | 46 |
| 2016 | 19 | 71 |
| 2017 | 34 | 78 |
| 2018 | 41 | 41 |
| 2019 | 43 | 56 |
| 2020 | 30 | 54 |
| 2021 | 35 | 54 |
| 2022 | 35 | 35 |
| 2023 | 29 | 54 |
| 2024 | 30 | 38 |
| 2025 | 19 | 39 |
| 2026 | 25 | 42 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Anhydrous hair treatment composition comprising mono-alcohols and fatty compounds6 Oct 2026US 12,751,905 B2L'oreal
- Mixed surfactant for preparing transparent microemulsion and fine nanoemulsion, and cosmetic composition prepared using the same22 Sep 2026US 12,740,927 B2Biobeautech Co., Ltd.
- Free standing film8 Sep 2026US 12,728,088 B2Dow Silicones Corporation
- Sulfate free personal cleansing composition comprising low inorganic salt18 Aug 2026US 12,708,594 B2The Procter & Gamble Company
- Cosmetic cleansing composition18 Aug 2026US 12,708,596 B2Shiseido Company, Ltd.
- Method of using color changing compounds in light based treatments8 Oct 2026US 2026/0306389 A1The Gillette Company
- Cosmetic or dermatological gel preparation8 Oct 2026US 2026/0306394 A1Beiersdorf AG
- Resin particles and cosmetic24 Sep 2026US 2026/0283928 A1FUJIFILM Business Innovation Corp.
- Cosmetic24 Sep 2026US 2026/0283934 A1Shin-Etsu Chemical Co., Ltd.
- Transparent and Mild Surfactant Wash Composition17 Sep 2026US 2026/0272796 A1Conopco, Inc., d/b/a UNILEVER
Most cited
By later US patents
- Ester-terminated polyamides of polymerized fatty acids useful in formulating transparent gels in low polarity liquids271US 5,783,657 AUnion Camp Corporation · 1998
- Light activated tooth whitening composition and method of using same174US 6,162,055 ABriteSmile, Inc. · 2000
- Light-activated tooth whitening composition and method of using same155US 6,343,933 B12002
- Transparent nanoemulsion less than 100 NM based on fluid non-ionic amphiphilic lipids and use in cosmetic or in dermopharmaceuticals148US 5,753,241 AL'oreal · 1998
- Delivery system for an oral care substance using a strip of material having low flexural stiffness139US 6,096,328 AThe Procter & Gamble Company · 2000