C11D 3/042
Acids
Official title: {Acids}
C11D3/042 (Acids) appears on 570 US grants and 586 published applications in this corpus.
Search patents in C11D- Granted patents
- 570
- Published applications
- 586
- Assignees
- 267
- Inventors
- 1,359
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 10 | 0 |
| 1997 | 14 | 0 |
| 1998 | 26 | 0 |
| 1999 | 30 | 0 |
| 2000 | 25 | 0 |
| 2001 | 28 | 9 |
| 2002 | 30 | 23 |
| 2003 | 23 | 15 |
| 2004 | 15 | 25 |
| 2005 | 9 | 36 |
| 2006 | 7 | 24 |
| 2007 | 7 | 13 |
| 2008 | 7 | 26 |
| 2009 | 14 | 22 |
| 2010 | 13 | 23 |
| 2011 | 10 | 26 |
| 2012 | 19 | 20 |
| 2013 | 19 | 22 |
| 2014 | 19 | 14 |
| 2015 | 16 | 23 |
| 2016 | 20 | 22 |
| 2017 | 28 | 24 |
| 2018 | 13 | 29 |
| 2019 | 16 | 26 |
| 2020 | 14 | 24 |
| 2021 | 16 | 20 |
| 2022 | 19 | 30 |
| 2023 | 9 | 25 |
| 2024 | 21 | 25 |
| 2025 | 19 | 16 |
| 2026 | 15 | 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.
- Cleaning liquid and method for cleaning semiconductor substrate8 Sep 2026US 12,733,424 B2FUJIFILM Corporation
- Solid fast draining/drying rinse aid for high total dissolved solid water conditions25 Aug 2026US 12,716,044 B2Ecolab USA Inc.
- Solar panel cleaning formulation28 Jul 2026US 12,692,457 B2Hindustan Petroleum Corporation Limited
- Transport media for clinical specimen collection and molecular diagnostic applications and methods of production and use thereof7 Jul 2026US 12,674,157 B2Siemens Healthcare Diagnostics Inc.
- Dissolvable drinkware cleaning formulation1 Oct 2026US 2026/0297455 A1Savior Products, Inc.
- Engine combustion chamber cleaning solution composition and cleaning method using the same1 Oct 2026US 2026/0297461 A1Kd Finechem Co., Ltd.
- Transport media for clinical specimen collection and molecular diagnostic applications and methods of production and use thereof24 Sep 2026US 2026/0286337 A1Siemens Healthcare Diagnostics Inc.
- Optimizing the flow characteristics of liquid cleaning compositions17 Sep 2026US 2026/0275234 A1Reckitt & Colman (Overseas) Hygiene Home Limited
- Semiconductor substrate cleaning composition, method for cleaning semiconductor substrates, and method for producing semiconductor substrates3 Sep 2026US 2026/0258323 A1Mitsubishi Gas Chemical Company, Inc.
Most cited
By later US patents
- Germicidal, acidic hard surface cleaning compositions125US 6,221,823 B1Reckitt Benckiser N.V. · 2001
- PH adjusted nonionic surfactant-containing alkaline cleaner composition for cleaning microelectronics substrates107US 5,466,389 AJ. T. Baker Inc. · 1995
- Peracid forming system, peracid forming composition, and methods for making and using96US 6,319,888 B2Ecolab Inc. · 2001
- Reduced misting oven cleaner86US 5,364,551 AEcolab Inc. · 1994
- Cleaning composition in microemulsion, liquid crystal or aqueous solution form comprising mixture of partially esterified, full esterified and non-esterified ethoxylated polyhydric alcohols75US 5,549,840 AColgate-Palmolive Company · 1996