A61K 2800/524
Preservatives
A61K2800/524 (Preservatives) appears on 544 US grants and 906 published applications in this corpus.
Search patents in A61K- Granted patents
- 544
- Published applications
- 906
- Assignees
- 401
- Inventors
- 1,832
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 4 | 4 |
| 2002 | 5 | 5 |
| 2003 | 5 | 9 |
| 2004 | 2 | 10 |
| 2005 | 3 | 10 |
| 2006 | 2 | 6 |
| 2007 | 4 | 9 |
| 2008 | 1 | 13 |
| 2009 | 4 | 19 |
| 2010 | 2 | 25 |
| 2011 | 3 | 15 |
| 2012 | 10 | 29 |
| 2013 | 13 | 17 |
| 2014 | 17 | 24 |
| 2015 | 18 | 47 |
| 2016 | 31 | 52 |
| 2017 | 28 | 80 |
| 2018 | 34 | 40 |
| 2019 | 33 | 63 |
| 2020 | 28 | 50 |
| 2021 | 33 | 93 |
| 2022 | 40 | 82 |
| 2023 | 50 | 67 |
| 2024 | 30 | 57 |
| 2025 | 36 | 40 |
| 2026 | 25 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Water-in-oil cosmetic composition with maximized feeling of moisture6 Oct 2026US 12,751,903 B2Kolmar Korea Co., Ltd.
- Hair conditioner8 Sep 2026US 12,728,087 B2Dow Global Technologies LLC
- Hair oil formulation4 Aug 2026US 12,697,294 B2Dow Global Technologies LLC
- Rheological solid composition for use in shaving28 Jul 2026US 12,691,045 B2The Procter & Gamble Company
- Skin care composition21 Jul 2026US 12,685,708 B2Beiersdorf AG
- Antimicrobial compositions containing a cationic antimicrobial and an acidic glycolopid8 Oct 2026US 2026/0306377 A1LANXESS Corporation
- Composition comprising biosurfactant and manganese8 Oct 2026US 2026/0306388 A1Evonik Operations GmbH
- Alkenone-based formulations for topical applications1 Oct 2026US 2026/0294759 A1Western Washington University
- Formulations of naringenin1 Oct 2026US 2026/0294770 A1Debut Biotechnology, Inc.
- Dehydrated soap and cleaner tablet composition24 Sep 2026US 2026/0283912 A1Happy Go Lucky LLC
Most cited
By later US patents
- Preservative systems comprising cationic surfactants878US 10,130,830 B2Laboratorios Miret, S. A. · 2018
- Disinfecting and preserving systems and methods of use134US 4,758,595 ABausch & Lomb Incorporated · 1988
- Skin care compositions129US 5,968,528 AThe Procter & Gamble Company · 1999
- Glycine anhydride dimethylol as a biocide and preservative105US 5,244,653 AISP Chemicals Inc. · 1993
- Silicone elastomer emulsions stabilized with pentylene glycol100US 6,548,074 B1Elizabeth Arden Co., Division of Conopco, Inc. · 2003