ALEXANDRIA, Va., March 19 -- United States Patent no. 12,253,176, issued on March 18, was assigned to APALTA PATENTS OU (Tallinn, Estonia).
"Pressure valve processing" was invented by Sharon Samjitsingh (Rochester, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A valve assembly wherein the inner wall of the valve body comprises at least one opening for the entry of a liquid under pressure following output of a slurry or liquid from a tube or pipe. The valve assembly is particularly useful in maintaining a semi-continuous or continuous pressurized flow of biomass from an extruder and extending the reaction zone downstream from the extruder. An advantage of having an extended reaction zone allows for a co...