C11D 1/92
Sulfobetaines
Official title: Sulfobetaines {; Sulfitobetaines}
C11D1/92 (Sulfobetaines) appears on 266 US grants and 196 published applications in this corpus.
Search patents in C11D- Granted patents
- 266
- Published applications
- 196
- Assignees
- 108
- Inventors
- 640
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 7 | 0 |
| 1995 | 7 | 0 |
| 1996 | 13 | 0 |
| 1997 | 9 | 0 |
| 1998 | 17 | 0 |
| 1999 | 20 | 0 |
| 2000 | 11 | 0 |
| 2001 | 15 | 0 |
| 2002 | 10 | 9 |
| 2003 | 8 | 11 |
| 2004 | 6 | 7 |
| 2005 | 1 | 4 |
| 2006 | 2 | 8 |
| 2007 | 2 | 2 |
| 2008 | 3 | 4 |
| 2009 | 3 | 3 |
| 2010 | 1 | 5 |
| 2011 | 3 | 3 |
| 2012 | 3 | 7 |
| 2013 | 1 | 18 |
| 2014 | 5 | 7 |
| 2015 | 11 | 7 |
| 2016 | 10 | 10 |
| 2017 | 8 | 7 |
| 2018 | 4 | 7 |
| 2019 | 8 | 12 |
| 2020 | 5 | 5 |
| 2021 | 5 | 10 |
| 2022 | 4 | 7 |
| 2023 | 7 | 11 |
| 2024 | 10 | 16 |
| 2025 | 6 | 4 |
| 2026 | 5 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hard surface cleaning compositions with reduced surface tension2 Jun 2026US 12,644,072 B2Ecolab USA Inc.
- Multifunctional cleaner comprising a mixture of biochelants and methods of making and using same12 May 2026US 12,624,311 B2Solugen, Inc.
- Hydrophobic finish car wash compositions comprising an aminosilicone and amphoteric/nonionic surfactant mixture31 Mar 2026US 12,590,272 B2Energizer Auto, Inc.
- Cleansing and care composition, preparation method thereof, and cleansing and care tablet10 Mar 2026US 12,570,927 B1Guangzhou Joyson Cleaning Products Co., Ltd.
- Detergent compositions comprising secondary alkane sultanate, a second anionic surfactant, and alkyl hydroxysultaine cosurfactant10 Feb 2026US 12,545,856 B2Conopco, Inc.
- Hydrophobic finish car wash compositions and methods of use thereof16 Jul 2026US 2026/0201278 A1Energizer Auto, Inc.
- Particulate detergent composition9 Jul 2026US 2026/0193566 A1The Procter & Gamble Company
- Detergent composition9 Jul 2026US 2026/0193574 A1The Procter & Gamble Company
- Surfactant and cleaning compositions2 Jul 2026US 2026/0185013 A1DeLaval Holding AB
- Detergents and Cleaning Compositions with Improved Bleaching Performance2 Jul 2026US 2026/0185019 A1Symrise AG
Most cited
By later US patents
- Mild thickened shampoo compositions with conditioning properties137US 3,962,418 AThe Procter & Gamble Company · 1976
- Detergent composition104US 5,415,810 ALever Brothers Company, Division of Conopco, Inc. · 1995
- Surfactant blends for generating a stable wet foam104US 5,911,981 ARita Corporation · 1999
- Cleaning wafer substrates of metal contamination while maintaining wafer smoothness86US 5,498,293 AMallinckrodt Baker, Inc. · 1996
- Quaternary ammonium compounds, compositions containing them, and uses thereof84US 6,376,455 B1Goldschmidt Rewo GmbH & Co. KG · 2002