C11D 3/044
Hydroxides or bases
Official title: {Hydroxides or bases}
C11D3/044 (Hydroxides or bases) appears on 737 US grants and 836 published applications in this corpus.
Search patents in C11D- Granted patents
- 737
- Published applications
- 836
- Assignees
- 296
- Inventors
- 1,544
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 10 | 0 |
| 1997 | 6 | 0 |
| 1998 | 19 | 0 |
| 1999 | 30 | 0 |
| 2000 | 14 | 0 |
| 2001 | 20 | 5 |
| 2002 | 23 | 15 |
| 2003 | 21 | 23 |
| 2004 | 22 | 29 |
| 2005 | 11 | 39 |
| 2006 | 13 | 30 |
| 2007 | 11 | 15 |
| 2008 | 15 | 36 |
| 2009 | 12 | 21 |
| 2010 | 16 | 33 |
| 2011 | 18 | 25 |
| 2012 | 25 | 24 |
| 2013 | 15 | 33 |
| 2014 | 41 | 40 |
| 2015 | 27 | 46 |
| 2016 | 32 | 43 |
| 2017 | 38 | 43 |
| 2018 | 18 | 50 |
| 2019 | 39 | 44 |
| 2020 | 29 | 39 |
| 2021 | 37 | 35 |
| 2022 | 23 | 35 |
| 2023 | 29 | 37 |
| 2024 | 26 | 40 |
| 2025 | 32 | 32 |
| 2026 | 18 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Solid dissolvable compositions29 Sep 2026US 12,747,409 B2The Procter & Gamble Company
- Low-water compositions comprising capsules29 Sep 2026US 12,747,410 B2The Procter & Gamble Company
- Solid controlled release caustic detergent compositions22 Sep 2026US 12,742,136 B2Ecolab USA Inc.
- Stabilized enzymatic detergent compositions15 Sep 2026US 12,735,657 B2Ecolab USA Inc.
- Self preserved mild liquid laundry detergent formulas with low ph17 Sep 2026US 2026/0275236 A1Henkel AG & Co. KGaA
- Composition20 Aug 2026US 2026/0242694 A1Conopco, Inc., d/b/a UNILEVER
- Reducing agent as corrosion inhibitor for machine warewash6 Aug 2026US 2026/0226370 A1Ecolab USA Inc.
- Multi-layer low-foam laundry sheet and preparation method thereof23 Jul 2026US 2026/0209634 A1Guangzhou Joyson Cleaning Products Co., Ltd.
- Wafer cleaning method and apparatus16 Jul 2026US 2026/0206516 A1ACM Research (Shanghai) Inc.
Most cited
By later US patents
- Compact cleaner containing surfactants167US 6,331,518 B2Henkel-Ecolab GmbH & Co. OHG · 2001
- Dishwashing method and detergent composition therefor116US 5,879,469 ADeeay Technologies Ltd. · 1999
- Warewashing system containing nonionic surfactant that performs both a cleaning and sheeting function and a method of warewashing111US 5,876,514 AEcolab Inc. · 1999
- PH adjusted nonionic surfactant-containing alkaline cleaner composition for cleaning microelectronics substrates107US 5,466,389 AJ. T. Baker Inc. · 1995
- Silicate-containing alkaline compositions for cleaning microelectronic substrates102US 6,465,403 B12002