ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,428,562, issued on Sept. 30, was assigned to Becton Dickinson and Co. (Franklin Lakes, N.J.).
"Water-soluble polymeric dyes" was invented by Glenn P. Bartholomew (San Marcos, Calif.) and Yongchao Liang (Irvine, Calif.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Water soluble polymeric dyes and polymeric tandem dyes are provided. The polymeric dyes include a water solvated light harvesting multichromophore having a conjugated segment of aryl or heteroaryl co-monomers including branched non-ionic water soluble groups (WSG) comprising two or more water soluble polymers. In some cases, the branched non-ionic water soluble groups (WSG) of the present dis...