C11D 1/30
Sulfonation products derived from lignin
C11D1/30 (Sulfonation products derived from lignin) appears on 7 US grants and 7 published applications in this corpus.
Search patents in C11D- Granted patents
- 7
- Published applications
- 7
- Assignees
- 7
- Inventors
- 27
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Biobased dispersants for laundry cleaning applications12 May 2026US 12,624,314 B2Borregaard AS
- Cleaning solution8 Apr 2008US 7,354,485 B2Earth Alive Resources Inc.
- Cleaning solution to remove hydrocarbons from a substrate5 Nov 2002US 6,475,290 B2Earth Alive Resources Inc.
- Multiphase cleaning composition containing lignin sulfonate11 Sep 2001US 6,288,015 B1Henkel Kommanditgesellschaft auf Aktien
- Microemulsion or non-microemulsion glass cleaning compositions18 Aug 1998US 5,795,853 AColgate-Palmolive Company
- Detergent composition27 Mar 2025US 2025/0101341 A1Conopco, Inc., d/b/a UNILEVER
- Biobased dispersants for laundry cleaning applications13 Jun 2024US 2024/0191157 A1Borregaard AS
- Incorporation of dye into granular laundry detergent10 Nov 2011US 2011/0275551 A1
- Use of polymers in dishwashing compositions for the removal of grease and oil from plastic dishware, and dishwashing compositions29 Nov 2007US 2007/0272277 A1
- Synergistic acidic ternary biocidal compositions28 Dec 2006US 2006/0293214 A1
Most cited
By later US patents
- Composition and method for fabric encrustation prevention comprising a lignin derivative15US 5,104,584 AThe Clorox Company · 1992
- Multiphase cleaning composition containing lignin sulfonate8US 6,288,015 B1Henkel Kommanditgesellschaft auf Aktien · 2001
- Microemulsion or non-microemulsion glass cleaning compositions5US 5,795,853 AColgate-Palmolive Company · 1998
- Cleaning solution to remove hydrocarbons from a substrate3US 6,475,290 B2Earth Alive Resources Inc. · 2002
- Enzymatic composition1US 5,782,932 ALever Brothers Company, Division of Conopco, Inc. · 1998