ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,409,600, issued on Sept. 9, was assigned to Align Technology Inc. (San Jose, Calif.).
"Methods of forming a dental appliance" was invented by Chunhua Li (Cupertino, Calif.) and Yan Chen (Cupertino, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Methods of forming a dental appliance. The methods may include partially curing a prepolymer mixture into a semi-solid polymer material having a first shape that is a sheet. The semi-solid polymer material may be placed over a dentition mold, wherein the semi-solid polymer material may take on a second shape corresponding to a shell having one or more cavities for receiving one or more teeth. The semi-sol...