US Patent Issued to Schlumberger Technology on Aug. 11 for "Quality control of GC gas flow" (French Inventors)

ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,704,489, issued on Aug. 11, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Quality control of GC gas flow" was invented by Elena Borisova (Paris), Pierre Beaudy (Chaville, France) and Jean Pierre Bailly (Clamart, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for quality control checking GC apparatus including at least a main column, a sample collection loop, and a detector in fluid communication with a multiport valve includes making first and second detector measurements when the multiport valve is set in corresponding first and second positions and a carrier gas inlet is open. The first position provides fluid com...