G01N 30/8668
Using retention times
Official title: {using retention times}
G01N30/8668 (Using retention times) appears on 65 US grants and 73 published applications in this corpus.
Search patents in G01N- Granted patents
- 65
- Published applications
- 73
- Assignees
- 57
- Inventors
- 163
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 2 | 2 |
| 2005 | 0 | 0 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 3 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 4 |
| 2012 | 1 | 3 |
| 2013 | 3 | 2 |
| 2014 | 4 | 5 |
| 2015 | 2 | 2 |
| 2016 | 0 | 3 |
| 2017 | 3 | 3 |
| 2018 | 0 | 4 |
| 2019 | 2 | 3 |
| 2020 | 4 | 7 |
| 2021 | 4 | 3 |
| 2022 | 5 | 6 |
| 2023 | 7 | 2 |
| 2024 | 3 | 6 |
| 2025 | 4 | 5 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Detection and identification of chemical derivatives formed from pyrotechnic smoke reactions7 Jul 2026US 12,674,785 B2
- Determination and correction of retention time and mass/charge shifts in LC-MS experiments23 Sep 2025US 12,422,417 B2Thermo Finnigan LLC
- Predictive chromatograph peak detection20 May 2025US 12,306,151 B2Halliburton Energy Services.Inc.
- Chromatography apparatus and method4 Feb 2025US 12,216,101 B2Cytiva Sweden AB
- Analysis method28 Jan 2025US 12,208,343 B2Nippon Telegraph and Telephone Corporation
- Systems and methods for predicting elution times for targeted mass spectrometry25 Jun 2026US 2026/0177533 A1Thermo Finnigan LLC
- Method and System for Processing Chromatogram Data5 Feb 2026US 2026/0036558 A1Shimadzu Corporation
- Data Processing Method, Chromatograph Mass Spectrometer, and Computer Readable Medium Having Program Stored Thereon In Non-Transitory Manner23 Oct 2025US 2025/0327782 A1Shimadzu Corporation
- Chromatography with retention time feedback control2 Oct 2025US 2025/0305999 A1
- Automated retention index calibration28 Aug 2025US 2025/0271406 A1Cerno Bioscience LLC
Most cited
By later US patents
- Method for predicting chemical or physical properties of crude oils87US 5,699,269 AExxon Research & Engineering Co. · 1997
- Methods for time-alignment of liquid chromatography-mass spectrometry data75US 6,989,100 B2PPD Biomarker Discovery Sciences, LLC · 2006
- Parallel fluid processing systems and methods71US 7,178,386 B1Nanostream, Inc. · 2007
- Methods and apparatus for analysis of complex mixtures57US 5,970,804 ATrustees of Tufts College · 1999
- Method of correlating a record of sample data with a record of reference data35US 5,119,315 AAmoco Corporation · 1992