Deuterated cannabinoids as standards for the analysis of tetrahydrocannabinol and its metabolites in biological fluids
Patent 5036014 Issued on July 30, 1991. Estimated Expiration Date: January 31, 2009. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
436/8, COMPOSITION FOR STANDARDIZATION, CALIBRATION, SIMULATION, STABILIZATION, PREPARATION OR PRESERVATION; PROCESSES OF USE IN PREPARATION FOR CHEMICAL TESTING436/16, Blood serum or blood plasma standard or control436/92, Diverse hetero atoms in same or different rings (e.g., alkaloids, opiates, etc.)436/173, NUCLEAR MAGNETIC RESONANCE, ELECTRON SPIN RESONANCE OR OTHER SPIN EFFECTS OR MASS SPECTROMETRY436/816, Alkaloids, amphetamines, and barbiturates436/825, PRETREATMENT FOR REMOVAL OF INTERFERING FACTORS FROM SAMPLE436/901DRUGS OF ABUSE (E.G., NARCOTICS, AMPHETAMINE, ETC.)
New internal standards for use in gas chromatography/mass spectrometry test methods, comprising deuterated cannabinoids, have been developed for the analysis of tetrahydrocannabinol and its metabolites in biological fluids.
Other References
"Standards and Controls", Sigma Product Catalog, p. 1698, 198