C11D 3/06
Phosphates, including polyphosphates
C11D3/06 (Phosphates, including polyphosphates) appears on 518 US grants and 336 published applications in this corpus.
Search patents in C11D- Granted patents
- 518
- Published applications
- 336
- Assignees
- 170
- Inventors
- 1,041
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 17 | 0 |
| 1978 | 14 | 0 |
| 1979 | 8 | 0 |
| 1980 | 11 | 0 |
| 1981 | 10 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 9 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 10 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 7 | 0 |
| 1995 | 8 | 0 |
| 1996 | 12 | 0 |
| 1997 | 9 | 0 |
| 1998 | 15 | 0 |
| 1999 | 29 | 0 |
| 2000 | 21 | 0 |
| 2001 | 32 | 4 |
| 2002 | 24 | 16 |
| 2003 | 17 | 21 |
| 2004 | 14 | 19 |
| 2005 | 9 | 21 |
| 2006 | 11 | 19 |
| 2007 | 10 | 16 |
| 2008 | 4 | 17 |
| 2009 | 8 | 14 |
| 2010 | 7 | 23 |
| 2011 | 8 | 12 |
| 2012 | 16 | 14 |
| 2013 | 6 | 9 |
| 2014 | 11 | 11 |
| 2015 | 8 | 15 |
| 2016 | 13 | 9 |
| 2017 | 13 | 13 |
| 2018 | 4 | 12 |
| 2019 | 6 | 9 |
| 2020 | 10 | 13 |
| 2021 | 6 | 8 |
| 2022 | 7 | 10 |
| 2023 | 6 | 5 |
| 2024 | 6 | 16 |
| 2025 | 5 | 8 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Industrial cleaning systems, including solutions for removing various types of deposits, and cognitive cleaning16 Jun 2026US 12,656,070 B2Angara Global Ltd.
- Degreasing composition comprising an anionic surfactant mixture5 May 2026US 12,618,021 B2
- Reducing agent as corrosion inhibitor for neutral or low alkaline warewash detergent28 Apr 2026US 12,612,579 B2Ecolab USA Inc.
- Composition and method for road film removal in a touchless vehicle wash comprising a sodium hypochlorite/anionic surfactant cleaning solution4 Nov 2025US 12,460,158 B1
- Stain removal through novel oxidizer and chelant combination7 Oct 2025US 12,435,298 B2Ecolab USA Inc.
- Degreasing composition comprising an anionic surfactant mixture23 Jul 2026US 2026/0209632 A1
- Composition for cleaning and assessing cleanliness in real-time8 Jan 2026US 2026/0008978 A1Medivators Inc.
- Cleaning agent composition and cleaning method16 Oct 2025US 2025/0320435 A1Shikoku Chemicals Corporation
- Compositions and Methods for Removing Sludge from Oil Storage Tanks21 Aug 2025US 2025/0263637 A1Locus Solutions Ipco, LLC
- Two-in-one solid detergent composition and preparation method thereof10 Jul 2025US 2025/0223519 A1Guangzhou Joyson Cleaning Products Co., Ltd.
Most cited
By later US patents
- Solid cleaning compositions based on hydrated salts141US 5,670,473 ASunburst Chemicals, Inc. · 1997
- Method for forming solid detergent compositions130US 4,595,520 AEconomics Laboratory, Inc. · 1986
- Binding agent for solid block functional material128US 6,258,765 B1Ecolab Inc. · 2001
- Clay-containing fabric softening detergent compositions117US 4,062,647 AThe Procter & Gamble Company · 1977
- Method for forming solid detergent compositions114US 4,680,134 AEcolab Inc. · 1987