C11D 1/66
Non-ionic compounds
Official title: Non-ionic compounds {(C11D1/002, C11D1/004, C11D1/008 take precedence)}
C11D1/66 (Non-ionic compounds) appears on 5,500 US grants and 4,656 published applications in this corpus.
Search patents in C11D- Granted patents
- 5,500
- Published applications
- 4,656
- Assignees
- 1,248
- Inventors
- 9,399
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 73 | 0 |
| 1977 | 40 | 0 |
| 1978 | 57 | 0 |
| 1979 | 35 | 0 |
| 1980 | 52 | 0 |
| 1981 | 57 | 0 |
| 1982 | 44 | 0 |
| 1983 | 47 | 0 |
| 1984 | 53 | 0 |
| 1985 | 48 | 0 |
| 1986 | 45 | 0 |
| 1987 | 42 | 0 |
| 1988 | 52 | 0 |
| 1989 | 61 | 0 |
| 1990 | 53 | 0 |
| 1991 | 62 | 0 |
| 1992 | 66 | 0 |
| 1993 | 69 | 0 |
| 1994 | 87 | 0 |
| 1995 | 135 | 0 |
| 1996 | 159 | 0 |
| 1997 | 136 | 0 |
| 1998 | 223 | 0 |
| 1999 | 301 | 0 |
| 2000 | 235 | 0 |
| 2001 | 217 | 42 |
| 2002 | 211 | 151 |
| 2003 | 180 | 219 |
| 2004 | 128 | 178 |
| 2005 | 100 | 164 |
| 2006 | 105 | 175 |
| 2007 | 81 | 147 |
| 2008 | 77 | 128 |
| 2009 | 79 | 121 |
| 2010 | 85 | 165 |
| 2011 | 96 | 121 |
| 2012 | 92 | 122 |
| 2013 | 85 | 130 |
| 2014 | 110 | 155 |
| 2015 | 117 | 163 |
| 2016 | 106 | 170 |
| 2017 | 128 | 241 |
| 2018 | 106 | 209 |
| 2019 | 137 | 228 |
| 2020 | 140 | 220 |
| 2021 | 169 | 256 |
| 2022 | 153 | 250 |
| 2023 | 145 | 235 |
| 2024 | 156 | 246 |
| 2025 | 152 | 247 |
| 2026 | 113 | 173 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C11D 1/72Ethers of polyoxyalkylene glycols2,986
- C11D 1/83Mixtures of non-ionic with anionic compounds1,762
- C11D 1/662Carbohydrates or derivatives1,037
- C11D 1/75Amino oxides1,037
- C11D 1/722Ethers of polyoxyalkylene glycols having mixed oxyalkylene groups771
- C11D 1/835Mixtures of non-ionic with cationic compounds650
- C11D 1/825Mixtures of compounds all of which are non-ionic638
- C11D 1/74Carboxylates or sulfonates esters of polyoxyalkylene glycols477
All 16 subgroupsShow fewer
- C11D 1/667Neutral esters473
- C11D 1/82Compounds containing silicon118
- C11D 1/755Sulfoxides52
- C11D 1/78Neutral esters of acids of phosphorus36
- C11D 1/79Phosphine oxides31
- C11D 1/76Synthetic resins containing no nitrogen14
- C11D 1/665Arsine oxides1
- C11D 1/80Derivatives of lignin containing no sulfo- or sulfate groups0
Recent patents
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Most cited
By later US patents
- Foaming surfactant compositions383US 4,565,647 AThe Procter & Gamble Company · 1986
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- Viscoelastic surfactant fluids and related methods of use217US 6,258,859 B1Rhodia Inc. · 2001
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