A61L 9/042
With the help of a macromolecular compound as a carrier or diluent
Official title: {with the help of a macromolecular compound as a carrier or diluent (A61L9/048 takes precedence)}
A61L9/042 (With the help of a macromolecular compound as a carrier or diluent) appears on 420 US grants and 479 published applications in this corpus.
Search patents in A61L- Granted patents
- 420
- Published applications
- 479
- Assignees
- 255
- Inventors
- 1,048
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 4 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 11 | 0 |
| 1986 | 8 | 0 |
| 1987 | 6 | 0 |
| 1988 | 8 | 0 |
| 1989 | 12 | 0 |
| 1990 | 17 | 0 |
| 1991 | 13 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 3 |
| 2002 | 12 | 19 |
| 2003 | 14 | 23 |
| 2004 | 14 | 32 |
| 2005 | 7 | 27 |
| 2006 | 5 | 31 |
| 2007 | 11 | 26 |
| 2008 | 3 | 27 |
| 2009 | 5 | 16 |
| 2010 | 13 | 16 |
| 2011 | 11 | 15 |
| 2012 | 9 | 14 |
| 2013 | 12 | 9 |
| 2014 | 14 | 17 |
| 2015 | 1 | 7 |
| 2016 | 8 | 13 |
| 2017 | 7 | 14 |
| 2018 | 7 | 21 |
| 2019 | 17 | 36 |
| 2020 | 12 | 20 |
| 2021 | 16 | 18 |
| 2022 | 11 | 17 |
| 2023 | 5 | 22 |
| 2024 | 11 | 12 |
| 2025 | 13 | 12 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for diffusing volatile substances and method for its manufacturing6 Oct 2026US 12,752,030 B2Zobele Holding SPA
- Air freshener with hinged and channeled frame12 May 2026US 12,622,992 B2Energizer Auto, Inc.
- Device to release water and antimicrobial vapor into an enclosed or partially enclosed space7 Apr 2026US 12,595,109 B2Arkema Inc.
- Acidic gas separation device, air purifier, air conditioner, and acidic gas concentration device31 Mar 2026US 12,589,354 B2Kuraray Co., Ltd.
- Dispenser and method of use thereof17 Feb 2026US 12,550,895 B2S. C. Johnson & Son, Inc.
- Channeled air freshener with multiple release modes8 Oct 2026US 2026/0306694 A1Energizer Auto, Inc.
- Foldable support bracket8 Oct 2026US 2026/0309267 A1
- Air Freshener With Detachable Collectible Portion20 Aug 2026US 2026/0241058 A1New Faction Inc d/b/a Xyrena
- Method for Controlling the Crosslinking Time for a Silicone Gel That Gives Off a Volatile Organic Substance13 Aug 2026US 2026/0234341 A1V. Mane Fils
- Scent Pad With Service Life Indicator for Arranging in a Ventilation Device in an Interior of a Vehicle, and Ventilation Device23 Jul 2026US 2026/0208563 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Foam substrate and micropackaged active ingredient particle composite dispensing materials1,078US 4,828,542 ATwin Rivers Engineering · 1989
- Orientied microporous film214US 4,867,881 AMinnesota Minning and Manufacturing Company · 1989
- Encapsulation of active agents as microdispersions in homogeneous natural polymeric matrices155US 4,230,687 AGriffith Laboratories U.S.A., Inc. · 1980
- Membrane modified hydrogels147US 4,423,099 ACiba-Geigy Corporation · 1983
- Controlled fragrance releasing crystal beads123US 4,020,156 ANorda S.p.A. · 1977