C11D 3/3953
Inorganic bleaching agents
Official title: {Inorganic bleaching agents (C11D3/3951 takes precedence)}
C11D3/3953 (Inorganic bleaching agents) appears on 228 US grants and 215 published applications in this corpus.
Search patents in C11D- Granted patents
- 228
- Published applications
- 215
- Assignees
- 104
- Inventors
- 568
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 9 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 4 | 7 |
| 2003 | 8 | 5 |
| 2004 | 4 | 3 |
| 2005 | 3 | 5 |
| 2006 | 2 | 7 |
| 2007 | 0 | 7 |
| 2008 | 4 | 4 |
| 2009 | 0 | 5 |
| 2010 | 2 | 3 |
| 2011 | 2 | 9 |
| 2012 | 4 | 5 |
| 2013 | 9 | 11 |
| 2014 | 6 | 9 |
| 2015 | 15 | 17 |
| 2016 | 8 | 6 |
| 2017 | 6 | 12 |
| 2018 | 6 | 11 |
| 2019 | 11 | 19 |
| 2020 | 7 | 10 |
| 2021 | 11 | 13 |
| 2022 | 6 | 11 |
| 2023 | 14 | 13 |
| 2024 | 5 | 11 |
| 2025 | 8 | 6 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Washing agent portion unit23 Jun 2026US 12,662,652 B2Henkel AG & Co. KGaA
- Multilayer hollow container, method for manufacturing same, and method for manufacturing regenerated polyester19 May 2026US 12,629,923 B2Mitsubishi Gas Chemical Company, Inc.
- Water disintegrable, foam producing article for use as a toilet bowl cleaner12 May 2026US 12,624,319 B2The Procter & Gamble Company
- Granules comprising protonated triazacyclic compounds and bleaching agent and cleaning agent comprising the same17 Mar 2026US 12,577,505 B2Catexel Limited
- Powders and granules and process for making such powders and granules10 Feb 2026US 12,545,868 B2BASF SE
- Granules comprising bleaching catalyst or precursor thereof, bleaching agent and cleaning agent comprising same and use thereof3 Sep 2026US 2026/0258324 A1Catexel Limited
- Detergents and Cleaning Compositions with Improved Bleaching Performance2 Jul 2026US 2026/0185019 A1Symrise AG
- Dual chamber hypohalite concentrate and dilution system30 Apr 2026US 2026/0117149 A1The Clorox Company
- Method of washing textile articles13 Nov 2025US 2025/0346833 A1
- Cleaning agent composition and cleaning method16 Oct 2025US 2025/0320435 A1Shikoku Chemicals Corporation
Most cited
By later US patents
- Encapsulated bleaches201US 4,830,773 AEcolab Inc. · 1989
- Lavatory cleansing blocks95US 4,460,490 AJeyes Group Limited · 1984
- Chlorine dioxide generator89US 5,126,070 AThe Drackett Company · 1992
- Chlorinated solid rinse aid83US 5,358,653 AEcolab Inc. · 1994
- Polymer sheet for delivering laundry care additive and laundry care product formed from same81US 4,557,852 AS. C. Johnson & Son, Inc. · 1985