US Patent Issued to Trustees of Dartmouth College on July 8 for "Mechanically interlocked molecules-based materials for 3-D printing" (New Hampshire Inventors)

ALEXANDRIA, Va., July 9 -- United States Patent no. 12,351,655, issued on July 8, was assigned to Trustees of Dartmouth College (Hanover, N.H.).

"Mechanically interlocked molecules-based materials for 3-D printing" was invented by Chenfeng Ke (Lebanon, N.H.) and Qianming Lin (Lebanon, N.H.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are supramolecular polypseudorotaxane hydrogel compositions and 3-D structures capable of reversible 3-D structural deformation which include (a) a solvent; (b) an at least partially linear polymer, where the polymer further comprises groups capable of covalent crosslinking between the polymers; (ii) at least one first macrocyclic ring which forms a pseudorotaxane wit...