C11D 1/02
Anionic compounds
Official title: Anionic compounds {(C11D1/002, C11D1/004, C11D1/008 take precedence)}
C11D1/02 (Anionic compounds) appears on 4,417 US grants and 3,648 published applications in this corpus.
Search patents in C11D- Granted patents
- 4,417
- Published applications
- 3,648
- Assignees
- 1,019
- Inventors
- 7,900
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 84 | 0 |
| 1977 | 43 | 0 |
| 1978 | 48 | 0 |
| 1979 | 32 | 0 |
| 1980 | 29 | 0 |
| 1981 | 45 | 0 |
| 1982 | 35 | 0 |
| 1983 | 58 | 0 |
| 1984 | 48 | 0 |
| 1985 | 37 | 0 |
| 1986 | 33 | 0 |
| 1987 | 39 | 0 |
| 1988 | 43 | 0 |
| 1989 | 63 | 0 |
| 1990 | 37 | 0 |
| 1991 | 54 | 0 |
| 1992 | 50 | 0 |
| 1993 | 62 | 0 |
| 1994 | 80 | 0 |
| 1995 | 124 | 0 |
| 1996 | 120 | 0 |
| 1997 | 102 | 0 |
| 1998 | 181 | 0 |
| 1999 | 265 | 0 |
| 2000 | 179 | 0 |
| 2001 | 179 | 28 |
| 2002 | 157 | 95 |
| 2003 | 161 | 151 |
| 2004 | 104 | 135 |
| 2005 | 69 | 123 |
| 2006 | 68 | 107 |
| 2007 | 53 | 84 |
| 2008 | 38 | 90 |
| 2009 | 47 | 75 |
| 2010 | 62 | 93 |
| 2011 | 68 | 107 |
| 2012 | 73 | 77 |
| 2013 | 56 | 81 |
| 2014 | 64 | 105 |
| 2015 | 67 | 146 |
| 2016 | 75 | 160 |
| 2017 | 103 | 201 |
| 2018 | 103 | 208 |
| 2019 | 108 | 192 |
| 2020 | 119 | 203 |
| 2021 | 129 | 191 |
| 2022 | 122 | 213 |
| 2023 | 145 | 211 |
| 2024 | 127 | 217 |
| 2025 | 129 | 215 |
| 2026 | 100 | 140 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dry-wash aerospace cleaning composition6 Oct 2026US 12,753,367 B2Henkel AG & Co. KGaA
- Cleansing composition6 Oct 2026US 12,753,376 B2Conopco, Inc.
- Liquid compositions containing datem ingredients for preparation of detergent compositions29 Sep 2026US 12,747,408 B2International N&H Denmark Aps
- Solid dissolvable compositions29 Sep 2026US 12,747,409 B2The Procter & Gamble Company
- Low-water compositions comprising capsules29 Sep 2026US 12,747,410 B2The Procter & Gamble Company
- Composition comprising biosurfactant and manganese8 Oct 2026US 2026/0306388 A1Evonik Operations GmbH
- Process for preparing chemical formulations comprising a neutralized component8 Oct 2026US 2026/0308478 A1Base SE
- Self-adhesive sanitary product comprising alkyl polyglycoside8 Oct 2026US 2026/0308489 A1Henkel AG & Co. KGaA
- Cleaning product8 Oct 2026US 2026/0308490 A1The Procter & Gamble Company
- Dissolvable drinkware cleaning formulation1 Oct 2026US 2026/0297455 A1Savior Products, Inc.
Most cited
By later US patents
- Cleaning solution for photoresist and method for forming pattern using the same470US 7,238,653 B2Hynix Semiconductor Inc. · 2007
- Foaming surfactant compositions383US 4,565,647 AThe Procter & Gamble Company · 1986
- Viscoelastic surfactant fluids and related methods of use217US 6,258,859 B1Rhodia Inc. · 2001
- Disinfecting compositions and processes for disinfecting surfaces217US 6,693,069 B2Ecolab GmbH & Co. OHG · 2004
- Mid-chain branched surfactants193US 6,020,303 AThe Procter & Gamble Company · 2000