C11D 1/002
Surface-active compounds containing sulfur
Official title: {Surface-active compounds containing sulfur (SO3 and SO4, C11D1/12; sulfonium compounds C11D1/60; sulfoxides C11D1/755; sulfobetaines C11D1/92)}
C11D1/002 (Surface-active compounds containing sulfur) appears on 93 US grants and 87 published applications in this corpus.
Search patents in C11D- Granted patents
- 93
- Published applications
- 87
- Assignees
- 45
- Inventors
- 218
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 3 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 5 |
| 2013 | 2 | 13 |
| 2014 | 2 | 8 |
| 2015 | 13 | 6 |
| 2016 | 11 | 8 |
| 2017 | 6 | 9 |
| 2018 | 3 | 3 |
| 2019 | 7 | 4 |
| 2020 | 3 | 6 |
| 2021 | 3 | 3 |
| 2022 | 2 | 2 |
| 2023 | 1 | 3 |
| 2024 | 5 | 5 |
| 2025 | 2 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High performance low viscoelasticity foaming detergent compositions employing extended chain anionic surfactants2 Jun 2026US 12,644,074 B2Ecolab USA Inc.
- Solid composition comprising benzyloxide, sulfonate carrier, and non-hygroscopic acid, and its use in cleaning compositions19 May 2026US 12,630,786 B2Ecolab USA Inc.
- Low pH detergent composition24 Jun 2025US 12,338,412 B2The Procter & Gamble Company
- Stable aqueous surfactant compositions6 May 2025US 12,291,693 B2The Procter & Gamble Company
- Composition for dissolving abrasive particles and cleaning method using the same17 Sep 2024US 12,091,636 B2Kctech Co., Ltd.
- Water-soluble unit dose article comprising a metalloprotease5 Mar 2026US 2026/0062650 A1The Procter & Gamble Company
- Stable aqueous surfactant compositions17 Jul 2025US 2025/0230382 A1The Procter & Gamble Company
- Sulfonate compounds28 Nov 2024US 2024/0391868 A1Karl-Franzens-Universität Graz
- High performance low viscoelasticity foaming detergent compositions employing extended chain anionic surfactants17 Oct 2024US 2024/0344000 A1Ecolab USA Inc.
- Solid benzyloxide compositions, methods of making, and use in cleaning26 Sep 2024US 2024/0318100 A1Ecolab USA Inc.
Most cited
By later US patents
- Heavy oil remover34US 5,863,881 ACitra Science Ltd. · 1999
- Heavy oil remover29US 5,985,816 ADotolo Research Corporation · 1999
- Metal cleaner with novel anti-corrosion system26US 5,614,027 AChurch & Dwight Co., Inc. · 1997
- Low sudsing detergent compositions25US 4,088,598 AThe Procter & Gamble Company · 1978
- Heavy oil remover22US 5,814,594 ACitra Science Ltd. · 1998