C11D 1/29
Sulfates of polyoxyalkylene ethers
C11D1/29 (Sulfates of polyoxyalkylene ethers) appears on 1,436 US grants and 1,278 published applications in this corpus.
Search patents in C11D- Granted patents
- 1,436
- Published applications
- 1,278
- Assignees
- 296
- Inventors
- 2,942
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 13 | 0 |
| 1978 | 13 | 0 |
| 1979 | 5 | 0 |
| 1980 | 10 | 0 |
| 1981 | 9 | 0 |
| 1982 | 3 | 0 |
| 1983 | 10 | 0 |
| 1984 | 14 | 0 |
| 1985 | 13 | 0 |
| 1986 | 12 | 0 |
| 1987 | 11 | 0 |
| 1988 | 19 | 0 |
| 1989 | 16 | 0 |
| 1990 | 13 | 0 |
| 1991 | 16 | 0 |
| 1992 | 16 | 0 |
| 1993 | 17 | 0 |
| 1994 | 18 | 0 |
| 1995 | 39 | 0 |
| 1996 | 44 | 0 |
| 1997 | 41 | 0 |
| 1998 | 75 | 0 |
| 1999 | 98 | 0 |
| 2000 | 67 | 0 |
| 2001 | 57 | 6 |
| 2002 | 49 | 38 |
| 2003 | 61 | 52 |
| 2004 | 34 | 53 |
| 2005 | 24 | 50 |
| 2006 | 22 | 42 |
| 2007 | 11 | 19 |
| 2008 | 14 | 31 |
| 2009 | 17 | 36 |
| 2010 | 23 | 24 |
| 2011 | 23 | 36 |
| 2012 | 22 | 21 |
| 2013 | 11 | 24 |
| 2014 | 25 | 35 |
| 2015 | 20 | 49 |
| 2016 | 21 | 56 |
| 2017 | 35 | 91 |
| 2018 | 44 | 83 |
| 2019 | 40 | 63 |
| 2020 | 37 | 66 |
| 2021 | 44 | 72 |
| 2022 | 52 | 69 |
| 2023 | 43 | 65 |
| 2024 | 31 | 61 |
| 2025 | 40 | 78 |
| 2026 | 20 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cleaning composition comprising an engineered fatty acid alpha-dioxygenase15 Sep 2026US 12,735,658 B2The Procter & Gamble Company
- Solar panel cleaning formulation28 Jul 2026US 12,692,457 B2Hindustan Petroleum Corporation Limited
- Microbial cleaning compositions9 Jun 2026US 12,649,893 B2Novozymes A/S
- High performance low viscoelasticity foaming detergent compositions employing extended chain anionic surfactants2 Jun 2026US 12,644,074 B2Ecolab USA Inc.
- Composition26 May 2026US 12,637,633 B2Conopco, Inc.
- Cleaning composition and cleaning method1 Oct 2026US 2026/0297457 A1Novozymes A/S
- Method of laundering fabrics1 Oct 2026US 2026/0297470 A1The Procter & Gamble Company
- Liquid composition with perfume capsules1 Oct 2026US 2026/0297474 A1The Procter & Gamble Company
- Composition17 Sep 2026US 2026/0275233 A1Conopco, Inc., d/b/a UNILEVER
- Liquid detergents with improved mildness for sensitive skin at low ph and methods of manufacture17 Sep 2026US 2026/0275235 A1Henkel AG & Co. KGaA
Most cited
By later US patents
- Foaming surfactant compositions383US 4,565,647 AThe Procter & Gamble Company · 1986
- Mid-chain branched surfactants193US 6,020,303 AThe Procter & Gamble Company · 2000
- Mid-chain branched alkyl sulfate surfactants175US 6,060,443 AThe Procter & Gamble Company · 2000
- Detergent compositions containing selected mid-chain branched surfactants167US 6,326,348 B1The Procter & Gamble Company · 2001
- Alkoxylated cationic detergency ingredients164US 6,136,769 AThe Procter & Gamble Company · 2000