C11D 3/34
Containing sulfur
Official title: containing sulfur {(C11D3/162, C11D3/164, C11D3/166, C11D3/168 take precedence)}
C11D3/34 (Containing sulfur) appears on 996 US grants and 1,002 published applications in this corpus.
Search patents in C11D- Granted patents
- 996
- Published applications
- 1,002
- Assignees
- 342
- Inventors
- 2,240
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 9 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 8 | 0 |
| 1993 | 6 | 0 |
| 1994 | 16 | 0 |
| 1995 | 19 | 0 |
| 1996 | 13 | 0 |
| 1997 | 16 | 0 |
| 1998 | 23 | 0 |
| 1999 | 33 | 0 |
| 2000 | 34 | 0 |
| 2001 | 37 | 6 |
| 2002 | 38 | 22 |
| 2003 | 33 | 29 |
| 2004 | 21 | 30 |
| 2005 | 17 | 26 |
| 2006 | 13 | 22 |
| 2007 | 10 | 41 |
| 2008 | 13 | 24 |
| 2009 | 15 | 25 |
| 2010 | 16 | 38 |
| 2011 | 16 | 29 |
| 2012 | 24 | 29 |
| 2013 | 29 | 43 |
| 2014 | 27 | 28 |
| 2015 | 42 | 56 |
| 2016 | 36 | 46 |
| 2017 | 32 | 44 |
| 2018 | 28 | 64 |
| 2019 | 25 | 40 |
| 2020 | 36 | 42 |
| 2021 | 41 | 69 |
| 2022 | 33 | 60 |
| 2023 | 44 | 55 |
| 2024 | 38 | 58 |
| 2025 | 37 | 44 |
| 2026 | 35 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C11D 3/3418Toluene -, xylene -, cumene -, benzene - or naphthalene sulfonates or361
- C11D 3/349Additionally containing nitrogen atoms314
- C11D 3/3409Alkyl -, alkenyl -, cycloalkyl - or terpene sulfates or sulfonates172
- C11D 3/3472Additionally containing -cooh groups or derivatives thereof154
- C11D 3/3427Containing thiol, mercapto or sulfide groups100
- C11D 3/3481Containing sulfur in a heterocyclic ring70
- C11D 3/3454Containing sulfone groups51
- C11D 3/3445Containing sulfino groups45
All 10 subgroupsShow fewer
Recent patents
- System and method for impurity removal from cargo tanks of vessels that store and transport hydrocarbons6 Oct 2026US 12,753,373 B2Chevron U.S.A.Inc.
- Stabilized enzymatic detergent compositions15 Sep 2026US 12,735,657 B2Ecolab USA Inc.
- Surfactant blends in unit dose packages for improved mildness15 Sep 2026US 12,735,660 B2Henkel AG & Co. KGaA
- Liquid enzyme composition with sulfite scavenger25 Aug 2026US 12,716,042 B2Novozymes A/S
- Solid fast draining/drying rinse aid for high total dissolved solid water conditions25 Aug 2026US 12,716,044 B2Ecolab USA Inc.
- Bleach Catalyst and Composition Comprising Said Catalyst24 Sep 2026US 2026/0286254 A1Reckitt Benckiser Vanish B.V.
- Composition17 Sep 2026US 2026/0275241 A1Conopco, Inc., d/b/a UNILEVER
- Cleaning Compositions17 Sep 2026US 2026/0275243 A1Fujifilm Electronic Materials U.S.A., Inc.
- Bleach Catalyst With Improved Performance, Granule Comprising The Bleach Catalyst, And Composition Comprising Said Catalyst Or Said Granule17 Sep 2026US 2026/0275249 A1Reckitt Benckiser Vanish B.V.
- Compositions Containing Guanidine and 1,2-Benzisothiazoline-3-On10 Sep 2026US 2026/0262642 A1Thor GmbH
Most cited
By later US patents
- Color-safe bleach boosters, compositions and laundry methods employing same297US 5,576,282 AThe Procter & Gamble Company · 1996
- 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
- Viscoelastic surfactant fluids and related methods of use173US 6,703,352 B2Schlumberger Technology Corporation · 2004
- Peracids with good adhesion to surfaces172US 6,683,040 B2Ecolab GmbH & Co. OHG · 2004