B01J 2219/00175
Optical density
B01J2219/00175 (Optical density) appears on 10 US grants and 12 published applications in this corpus.
Search patents in B01J- Granted patents
- 10
- Published applications
- 12
- Assignees
- 12
- Inventors
- 42
- Latest grant
- 29 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and systems for producing hypobromite by adding acid to reactants29 Apr 2025US 12,286,346 B2Chemtreat, Inc.
- Methods and systems for producing hypobromite by adding acid to reactants30 Jan 2024US 11,884,540 B2Chemtreat, Inc.
- Equipment and method for preparing an aldehyde-functionalised polymer10 Jan 2023US 11,547,979 B1S.P.C.M. SA
- Microwave-based thermal coupling chemical looping gasification method employing two sources, and device for same22 Nov 2022US 11,504,691 B2South China University of Technology
- System and method for monitoring and controlling a polymerization system20 Jul 2021US 11,065,595 B2Chevron Phillips Chemical Company LP
- Method for monitoring a control parameter on a substantially plastic material, relating to apparatus and pyrolysis process which uses this method13 Mar 2025US 2025/0085220 A1Versalis S.P.A.
- Methods and systems for producing hypobromite by adding acid to reactants11 Apr 2024US 2024/0116758 A1Chemtreat, Inc.
- Apparatus for polymerizing or devolatilizing a composition and method using the same22 Feb 2024US 2024/0058783 A1Avery Dennison Corporation
- Methods and systems for producing hypobromite by adding acid to reactants8 Dec 2022US 2022/0388843 A1Chemtreat, Inc.
- Microwave-Based Thermal Coupling Chemical Looping Gasification Method Employing Two Sources, and Device for Same6 Jan 2022US 2022/0001351 A1South China University of Technology
Most cited
By later US patents
- Method and means for changing characteristics of substances10US 5,824,203 ASGI International, Inc. · 1998
- Methods and systems for producing hypobromite by adding acid to reactants2US 11,884,540 B2Chemtreat, Inc. · 2024
- System and method for monitoring and controlling a polymerization system1US 10,549,251 B2Chevron Phillips Chemical Company LP · 2020
- Method for fines control1US 8,999,007 B2Ostara Nutrient Recovery Technologies Inc. · 2015