C11D 1/721
End blocked ethers
Official title: {End blocked ethers}
C11D1/721 (End blocked ethers) appears on 268 US grants and 232 published applications in this corpus.
Search patents in C11D- Granted patents
- 268
- Published applications
- 232
- Assignees
- 101
- Inventors
- 746
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 11 | 0 |
| 1999 | 17 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 2 |
| 2002 | 12 | 8 |
| 2003 | 9 | 25 |
| 2004 | 15 | 6 |
| 2005 | 11 | 9 |
| 2006 | 9 | 5 |
| 2007 | 2 | 6 |
| 2008 | 1 | 3 |
| 2009 | 4 | 7 |
| 2010 | 5 | 15 |
| 2011 | 6 | 2 |
| 2012 | 6 | 8 |
| 2013 | 3 | 2 |
| 2014 | 5 | 9 |
| 2015 | 5 | 6 |
| 2016 | 7 | 10 |
| 2017 | 5 | 9 |
| 2018 | 8 | 5 |
| 2019 | 4 | 10 |
| 2020 | 5 | 8 |
| 2021 | 2 | 16 |
| 2022 | 10 | 19 |
| 2023 | 8 | 15 |
| 2024 | 5 | 11 |
| 2025 | 11 | 10 |
| 2026 | 8 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detergent compositions for machine dishwashing comprising ethoxylated glycerol esters and modified fatty alcohol alkoxylates29 Sep 2026US 12,747,413 B2Clariant International Ltd.
- Cleaning or hydrophilizing agent composition1 Sep 2026US 12,723,220 B2Kao Corporation
- Soil removal on cotton via treatment in the rinse step for enhanced cleaning in the subsequent wash1 Sep 2026US 12,723,221 B2Ecolab USA Inc.
- Method for producing treatment liquid4 Aug 2026US 12,698,454 B2FUJIFILM Corporation
- Tableware detergent tablet, and methods for preparing and using the same30 Jun 2026US 12,668,759 B2Guangzhou Joyson Cleaning Products Co., Ltd.
- Liquid laundry detergent compositions containing cucurbiturils16 Jul 2026US 2026/0201273 A1Clariant International Ltd.
- Alkaline cleaning agent for aluminum surfaces23 Apr 2026US 2026/0109916 A1Henkel AG & Co. KGaA
- Automatic Dishwashing Composition9 Apr 2026US 2026/0098230 A1Reckitt Benckiser Finish B.V.
- Washing machine and washing method26 Mar 2026US 2026/0085260 A1Conopco, Inc., d/b/a UNILEVER
- Microelectronic device cleaning composition12 Mar 2026US 2026/0071149 A1Entegris, Inc.
Most cited
By later US patents
- Hydroxypolyethers as low-foam surfactants86US 5,294,365 ABASF SE · 1994
- Random polyether foam control agents72US 4,836,951 AUnion Carbide Corporation · 1989
- Terpene-base microemulsion cleaning composition72US 5,213,624 APPG Industries, Inc. · 1993
- Proteolytic enzyme cleaner71US 5,858,117 AEcolab Inc. · 1999
- Ether-capped poly(oxyalkylated) alcohol surfactants60US 6,482,994 B2The Procter & Gamble Company · 2002