B01J 2219/00177
Controlling the ph
Official title: controlling the pH
B01J2219/00177 (Controlling the ph) appears on 221 US grants and 185 published applications in this corpus.
Search patents in B01J- Granted patents
- 221
- Published applications
- 185
- Assignees
- 151
- Inventors
- 487
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 4 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 11 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 2 |
| 2002 | 8 | 16 |
| 2003 | 13 | 15 |
| 2004 | 9 | 11 |
| 2005 | 5 | 6 |
| 2006 | 6 | 1 |
| 2007 | 5 | 3 |
| 2008 | 3 | 3 |
| 2009 | 2 | 4 |
| 2010 | 4 | 7 |
| 2011 | 4 | 5 |
| 2012 | 2 | 8 |
| 2013 | 3 | 0 |
| 2014 | 4 | 6 |
| 2015 | 4 | 13 |
| 2016 | 6 | 15 |
| 2017 | 13 | 11 |
| 2018 | 8 | 13 |
| 2019 | 9 | 5 |
| 2020 | 6 | 4 |
| 2021 | 6 | 12 |
| 2022 | 4 | 7 |
| 2023 | 4 | 6 |
| 2024 | 7 | 4 |
| 2025 | 4 | 2 |
| 2026 | 2 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for preparing multi-component metal hydroxide24 Mar 2026US 12,582,961 B2L&F Co., Ltd.
- Photocatalytically active support with TiO2 based materials27 Jan 2026US 12,533,668 B2Centre National De La Recherche Scientifique
- Controlled production of aqueous halogen solutions with varying compositions2 Sep 2025US 12,403,444 B2De Nora Holdings US, Inc.
- Method for preparing a catalyst support8 Jul 2025US 12,350,649 B2Ifp Energies Nouvelles
- System to convert cellulosic materials into sugar and method of using the same3 Jun 2025US 12,318,749 B2Blue Biofuels, Inc.
- System to convert cellulosic materials into sugar and method of using the same3 Sep 2026US 2026/0257187 A1Alliance Bioenergy Plus, Inc., Dba Blue Biofuels
- Neutralisation reactor and method of operating thereof23 Jul 2026US 2026/0209055 A1Yara International Asa
- Device for preparing multi-component metal hydroxide2 Jul 2026US 2026/0183737 A1L&F Co., Ltd.
- Method and apparatus for preparing isopropyl alcohol11 Jun 2026US 2026/0159464 A1LG Chem.Ltd.
- High-efficiency short-process production method and production system for carbonized silica9 Apr 2026US 2026/0097968 A1Yuanli Silicon Materials (Nanping) Co., Ltd.
Most cited
By later US patents
- Process for recovery of hydrocarbons and rejection of sand350US 5,316,664 ACanadian Occidental Petroleum Ltd. · 1994
- Process for recovery of hydrocarbons and rejection of sand346US 5,340,467 ACanadian Occidental Petroleum Ltd. · 1994
- Nanostructured fillers and carriers316US 6,228,904 B1Nanomaterials Research Corporation · 2001
- Preparation of low-viscosity improved stable crude oil transport emulsions296US 4,983,319 ACanadian Occidental Petroleum Ltd. · 1991
- Materials and products using nanostructured non-stoichiometric substances226US 6,344,271 B12002