C11D 3/3796
Amphoteric polymers or zwitterionic polymers
Official title: {Amphoteric polymers or zwitterionic polymers}
C11D3/3796 (Amphoteric polymers or zwitterionic polymers) appears on 110 US grants and 146 published applications in this corpus.
Search patents in C11D- Granted patents
- 110
- Published applications
- 146
- Assignees
- 53
- Inventors
- 321
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 0 |
| 2002 | 3 | 6 |
| 2003 | 8 | 10 |
| 2004 | 4 | 4 |
| 2005 | 2 | 4 |
| 2006 | 2 | 9 |
| 2007 | 1 | 6 |
| 2008 | 0 | 2 |
| 2009 | 5 | 9 |
| 2010 | 9 | 11 |
| 2011 | 5 | 5 |
| 2012 | 5 | 7 |
| 2013 | 7 | 6 |
| 2014 | 3 | 8 |
| 2015 | 5 | 4 |
| 2016 | 1 | 2 |
| 2017 | 2 | 5 |
| 2018 | 0 | 4 |
| 2019 | 5 | 7 |
| 2020 | 3 | 10 |
| 2021 | 5 | 3 |
| 2022 | 8 | 8 |
| 2023 | 3 | 6 |
| 2024 | 3 | 4 |
| 2025 | 6 | 3 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fabric and home care product10 Mar 2026US 12,570,926 B2The Procter & Gamble Company
- Detergent tablet30 Dec 2025US 12,509,647 B2Guangzhou Joyson Cleaning Products Co., Ltd.
- Detergent compositions comprising ultra-low molecular weight polysaccharides23 Dec 2025US 12,503,669 B2Nouryon Chemicals International B. V.
- Structuring premixes and liquid compositions comprising them18 Nov 2025US 12,473,512 B2The Procter & Gamble Company
- Sulfobetaine monomers, process for preparing same, and uses thereof4 Nov 2025US 12,459,889 B2Snf Group
- Method of laundering fabrics1 Oct 2026US 2026/0297470 A1The Procter & Gamble Company
- Amphoterically-modified trialkylene tetramine ethoxylates for improved stain removal of laundry detergents7 May 2026US 2026/0125620 A1BASF SE
- Novel sulfobetaine monomers, process for preparing same, and uses thereof5 Feb 2026US 2026/0035343 A1Snf Group
- Composition13 Nov 2025US 2025/0346830 A1Conopco, Inc., d/b/a UNILEVER
- Concentrated 2 in 1 dishmachine detergent and rinse aid26 Jun 2025US 2025/0207061 A1Ecolab USA Inc.
Most cited
By later US patents
- Polymer-fluorosurfactant associative complexes51US 7,288,514 B2The Clorox Company · 2007
- Liquid detergent compositions comprising polymeric suds enhancers46US 6,372,708 B1The Procter & Gamble Company · 2002
- Polymer-fluorosurfactant associative complexes39US 7,511,008 B2The Clorox Company · 2009
- Liquid detergent compositions comprising polymeric suds enhancers38US 6,528,477 B2The Procter & Gamble Company · 2003
- Liquid aqueous cleaning preparations for hard surfaces37US 4,784,789 AHenkel Kommanditgesellschaft auf Aktien · 1988