Measuring and testing – Gas analysis – By vibration
Reexamination Certificate
2008-02-13
2010-10-05
Fitzgerald, John (Department: 2856)
Measuring and testing
Gas analysis
By vibration
Reexamination Certificate
active
07805981
ABSTRACT:
This invention relates to methods and apparatus of quantifying the portion of a gas in a specific nuclear symmetric state. Specifically, the invention is directed to the measurement of the speed of sound in an unknown sample and comparing it to astandard.
REFERENCES:
patent: 4403500 (1983-09-01), Le Baud
patent: 59119248 (1984-07-01), None
Vandat et al., “Method for Continuous Measurement of Nuclear Para State Enrichment in Hydrogen Gas with Applications to Hyperpolarized Heteronuclear Contrast Agents,” Nov. 26, 2006, RNSA LL-PH4181-B07, two pages.
Kadlecek Steve
Rizi Rahim
Cohen Mark S.
Fitzgerald John
Pearl Cohen Zedek Latzer LLP
The Trustees of the University of Pennsylvania
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