C11D 3/2093
Esters
Official title: {Esters; Carbonates}
C11D3/2093 (Esters) appears on 806 US grants and 934 published applications in this corpus.
Search patents in C11D- Granted patents
- 806
- Published applications
- 934
- Assignees
- 350
- Inventors
- 2,176
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 9 | 0 |
| 1994 | 13 | 0 |
| 1995 | 13 | 0 |
| 1996 | 11 | 0 |
| 1997 | 13 | 0 |
| 1998 | 32 | 0 |
| 1999 | 26 | 0 |
| 2000 | 31 | 0 |
| 2001 | 35 | 5 |
| 2002 | 37 | 22 |
| 2003 | 20 | 26 |
| 2004 | 15 | 27 |
| 2005 | 14 | 37 |
| 2006 | 14 | 25 |
| 2007 | 9 | 53 |
| 2008 | 14 | 30 |
| 2009 | 14 | 29 |
| 2010 | 16 | 40 |
| 2011 | 27 | 52 |
| 2012 | 27 | 44 |
| 2013 | 40 | 41 |
| 2014 | 34 | 35 |
| 2015 | 23 | 46 |
| 2016 | 23 | 54 |
| 2017 | 32 | 46 |
| 2018 | 24 | 50 |
| 2019 | 24 | 25 |
| 2020 | 18 | 35 |
| 2021 | 24 | 45 |
| 2022 | 25 | 30 |
| 2023 | 17 | 29 |
| 2024 | 25 | 39 |
| 2025 | 22 | 38 |
| 2026 | 14 | 31 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning booster6 Oct 2026US 12,753,369 B2Dow Global Technologies LLC
- Unit dose tablet composition28 Jul 2026US 12,692,460 B2Conopco, Inc.
- Solid dissolvable compositions14 Jul 2026US 12,680,056 B2The Procter & Gamble Company
- Fabric treatment compositions with antioxidant multimers2 Jun 2026US 12,644,075 B2The Procter & Gamble Company
- Metal surface treatment composition26 May 2026US 12,637,637 B2
- Treatment compositions containing particles having certain resins8 Oct 2026US 2026/0308488 A1The Procter & Gamble Company
- Method of producing bio-derived ester compound, bio-derived ester compound produced thereby, cosmetic or detergent containing bio-derived ester compound, and method of reducing odor of ester compound17 Sep 2026US 2026/0274783 A1Adeka Corporation
- Composition17 Sep 2026US 2026/0275241 A1Conopco, Inc., d/b/a UNILEVER
- Phosphonate-free chelating agents and methods for fabric care17 Sep 2026US 2026/0275242 A1The Procter & Gamble Company
- Fragrance or flavour mixture10 Sep 2026US 2026/0265640 A1Symrise AG
Most cited
By later US patents
- Solvent soaps and methods employing same152US 5,723,423 AUnion Oil Company of California, dba UNOCAL · 1998
- Detergent-compatible fabric softening and antistatic compositions107US 3,936,537 AThe Procter & Gamble Company · 1976
- Enzymatic perhydrolysis system and method of use for bleaching94US 5,296,161 AThe Clorox Company · 1994
- Enzymatic peracid bleaching system90US 5,030,240 AThe Clorox Company · 1991
- Proteolytic perhydrolysis system and method of use for bleaching86US 5,364,554 AThe Clorox Company · 1994