ALEXANDRIA, Va., June 12 -- United States Patent no. 12,297,719, issued on May 13, was assigned to Charm Industrial Inc. (San Francisco).

"System and process for geological sequestration of carbon-containing materials" was invented by Shaun Kinetic (San Francisco), Kelly Kinetic (San Francisco) and Peter Reinhardt (San Francisco).

According to the abstract* released by the U.S. Patent & Trademark Office: "This disclosure relates to methods and systems for injecting and/or sequestering carbon-containing materials in underground wells, and, in some examples, for using the carbon-containing materials for enhanced oil recovery and well abandonment. An example method includes: obtaining a mixture including biochar particles and a liquid; and p...