A61K 2800/33
Free of surfactant
A61K2800/33 (Free of surfactant) appears on 193 US grants and 342 published applications in this corpus.
Search patents in A61K- Granted patents
- 193
- Published applications
- 342
- Assignees
- 120
- Inventors
- 639
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 7 | 11 |
| 2003 | 6 | 9 |
| 2004 | 10 | 7 |
| 2005 | 2 | 2 |
| 2006 | 2 | 1 |
| 2007 | 2 | 2 |
| 2008 | 1 | 5 |
| 2009 | 0 | 5 |
| 2010 | 1 | 6 |
| 2011 | 4 | 7 |
| 2012 | 7 | 6 |
| 2013 | 4 | 15 |
| 2014 | 10 | 19 |
| 2015 | 9 | 21 |
| 2016 | 9 | 15 |
| 2017 | 9 | 14 |
| 2018 | 11 | 12 |
| 2019 | 10 | 22 |
| 2020 | 15 | 26 |
| 2021 | 14 | 35 |
| 2022 | 9 | 29 |
| 2023 | 10 | 20 |
| 2024 | 13 | 18 |
| 2025 | 9 | 15 |
| 2026 | 6 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- DMS (derma membrane structure) in foam creams21 Jul 2026US 12,685,697 B2Nsc Pharma GmbH & Co. KG
- Compositions, gels and foams with rheology modulators and uses thereof23 Jun 2026US 12,661,407 B2Journey Medical Corporation
- Shell-free stable dispersion16 Jun 2026US 12,653,763 B2Capsum
- Sphingolipid containing salicylic acid derivative and composition comprising same7 Apr 2026US 12,594,230 B2Croda Korea Ltd
- Emulsified composition and cosmetic material7 Apr 2026US 12,594,231 B2Shin-Etsu Chemical Co., Ltd.
- Hair fiber strengthening compositions8 Oct 2026US 2026/0306376 A1
- Moisturizing Cleansing Composition With Nanoemulsion1 Oct 2026US 2026/0294752 A1Conopco, Inc., d/b/a UNILEVER
- Sulfate-free and peg-free foaming cleansing compositionwith stabilized cationic conditioning polymers polyquaternium-22, 39, 47, 67 and natural thickener lauryl lactate1 Oct 2026US 2026/0294761 A1L'oreal
- Compositions containing retinoic esters having extended storage stability and cosmetic compositions containing the same1 Oct 2026US 2026/0294777 A1Grant Industries, Inc.
- Method for demi-permanent hair coloring17 Sep 2026US 2026/0272800 A1BEAUTY & BUSINESS S.p.A.
Most cited
By later US patents
- Self-foaming cream120US 6,033,647 AL'oreal · 2000
- Self-foaming cream108US 6,210,656 B1L'oreal · 2001
- Compositions, gels and foams with rheology modulators and uses thereof72US 8,618,081 B2Foamix Ltd. · 2013
- Topical tetracycline compositions57US 8,871,184 B2Foamix Ltd. · 2014
- Topical tetracycline compositions52US 8,865,139 B1Foamix Pharmaceuticals Ltd. · 2014