System and method for improving the analysis of polymorphic chemical substance forms and concentrations using NQR
US7999541B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 16, 2006 |
| Grant date | Aug 16, 2011 |
| Priority date | — |
| Expiry date | Aug 27, 2027 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N24/085
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for analysing a chemical substance containing quadrupolar nuclei to determine a measurable characteristic of the substance. The method includes irradiating the substance with RF energy in a prescribed manner to stimulate NQR of certain quadrupolar nuclei within the substance. Then receiving and processing a signal emitted from the substance to isolate an NQR signal therefrom. Thereafter analysing the NQR signal to obtain a measure of the characteristic of the substance; and providing an output indicative of the measure for analytical purposes. Specific methods for analysing a chemical substance during production thereof to determine a characteristic of the substance indicative of the quality thereof, and for searching for chemicals together with specific systems are also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.