C02F 2305/14
Additives which dissolves or releases substances when predefined environmental conditions are reached
Official title: Additives which dissolves or releases substances when predefined environmental conditions are reached, e.g. pH or temperature
C02F2305/14 (Additives which dissolves or releases substances when predefined environmental conditions are reached) appears on 82 US grants and 146 published applications in this corpus.
Search patents in C02F- Granted patents
- 82
- Published applications
- 146
- Assignees
- 106
- Inventors
- 384
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 7 |
| 2004 | 3 | 7 |
| 2005 | 4 | 9 |
| 2006 | 6 | 5 |
| 2007 | 1 | 6 |
| 2008 | 3 | 7 |
| 2009 | 1 | 4 |
| 2010 | 4 | 6 |
| 2011 | 0 | 5 |
| 2012 | 3 | 7 |
| 2013 | 5 | 8 |
| 2014 | 5 | 9 |
| 2015 | 4 | 6 |
| 2016 | 4 | 4 |
| 2017 | 4 | 3 |
| 2018 | 0 | 5 |
| 2019 | 4 | 5 |
| 2020 | 5 | 5 |
| 2021 | 2 | 8 |
| 2022 | 5 | 6 |
| 2023 | 2 | 6 |
| 2024 | 5 | 7 |
| 2025 | 3 | 4 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for modifying pH in an aqueous environment21 Apr 2026US 12,606,469 B2Genesee Valley Innovations, LLC
- Liquid pods for recirculating water systems3 Jun 2025US 12,319,599 B2Bio-Lab, Inc.
- Highway sponge-type composite side ditch carbon neutralization system and method thereof8 Apr 2025US 12,269,757 B2China Academy of Transportation Sciences
- Waste liquid treatment composition and waste liquid treatment method21 Jan 2025US 12,202,750 B2Daiken Medical Co., Ltd.
- Water management system8 Oct 2024US 12,110,239 B2
- Membrane bioreactor wastewater treatment using calcium carbonate27 Aug 2026US 2026/0250169 A1Omya International AG
- Concrete wastewater treatment device and system16 Jul 2026US 2026/0200776 A1
- System for modifying the minerality of an aqueous liquid9 Jul 2026US 2026/0193119 A1Compagnie Gervais Danone
- Method for reducing toxicity of wastewater12 Mar 2026US 2026/0070823 A1Nanjing University
- Grinding Wastewater Pretreatment Method19 Feb 2026US 2026/0049007 A1Dongguan SanRenXing Environmental Technology Co., Ltd.
Most cited
By later US patents
- Microbicidal microemulsion87US 4,954,338 ARohm and Haas Company · 1990
- Slime remover and slime preventing/removing agent containing a clathrate compound37US 6,927,199 B2Nippon Soda Co., Ltd. · 2005
- Ion exchange device with chamber having indicator means32US 5,076,912 ABrita Wasser-Filter-Systeme GmbH · 1991
- Timed-release tablets for biological degradation of organic matter31US 5,275,943 A1994
- Water treatment compositions27US 6,827,874 B2The Procter & Gamble Company · 2004