C11D 1/667
Neutral esters
Official title: {Neutral esters, e.g. sorbitan esters}
C11D1/667 (Neutral esters) appears on 473 US grants and 412 published applications in this corpus.
Search patents in C11D- Granted patents
- 473
- Published applications
- 412
- Assignees
- 237
- Inventors
- 1,191
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 21 | 0 |
| 1996 | 23 | 0 |
| 1997 | 18 | 0 |
| 1998 | 33 | 0 |
| 1999 | 30 | 0 |
| 2000 | 19 | 0 |
| 2001 | 23 | 10 |
| 2002 | 19 | 20 |
| 2003 | 17 | 18 |
| 2004 | 8 | 17 |
| 2005 | 9 | 16 |
| 2006 | 9 | 21 |
| 2007 | 7 | 29 |
| 2008 | 6 | 16 |
| 2009 | 11 | 12 |
| 2010 | 13 | 9 |
| 2011 | 8 | 14 |
| 2012 | 4 | 14 |
| 2013 | 13 | 21 |
| 2014 | 12 | 19 |
| 2015 | 15 | 10 |
| 2016 | 10 | 11 |
| 2017 | 8 | 13 |
| 2018 | 5 | 11 |
| 2019 | 7 | 9 |
| 2020 | 2 | 17 |
| 2021 | 12 | 23 |
| 2022 | 15 | 16 |
| 2023 | 11 | 13 |
| 2024 | 12 | 16 |
| 2025 | 10 | 19 |
| 2026 | 7 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biosurfactant based micellar cleansing composition15 Sep 2026US 12,735,656 B2L'oreal
- Multifunctional cleaner comprising a mixture of biochelants and methods of making and using same12 May 2026US 12,624,311 B2Solugen, Inc.
- Water-soluble cleaning agent sheet and preparation method and application method thereof5 May 2026US 12,618,020 B2Guangzhou Joyson Cleaning Products Co., Ltd.
- Firearm cleaning fluids14 Apr 2026US 12,601,558 B1Fiske Brothers Refining Company
- Epoxidized oil-based surfactant and compositions comprising the same31 Mar 2026US 12,588,676 B2Nouryon Chemicals International B. V.
- Detergent compositions based on biosurfactants27 Aug 2026US 2026/0250605 A1Novozymes A/S
- Composition20 Aug 2026US 2026/0242694 A1Conopco, Inc., d/b/a UNILEVER
- Compositions containing biosurfactants and desferrioxamines20 Aug 2026US 2026/0242698 A1Evonik Operations GmbH
- Emulsifiers formed from polyol esters of fatty acids6 Aug 2026US 2026/0225991 A1
- Dilution thickening surfactant concentrates16 Jul 2026US 2026/0201274 A1Lubrizol Advanced Materials, Inc.
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
- Low foaming rinse agents comprising ethylene oxide/propylene oxide block copolymer93US 5,589,099 AEcolab Inc. · 1996
- Soft contact lens preserving solutions88US 4,029,817 AAllergan Pharmaceuticals, Inc. · 1977
- Detergent compositions containing an organic silver coating agent to minimize silver training in ADW washing methods78US 5,695,679 AThe Procter & Gamble Company · 1997