POLYMER DERIVATIVES AND POLYETHYLENE GLYCO DERIVATIVES FOR USE IN THE MANUFACTURE LIPOSOMES TO BE USED AS THERAPEUTICS, DIAGNOSTICS, AND IMAGING AGENTS FOR DIAGNOSTIC PURPOSES; POLYMER DERIVATIVES AND POLYETHYLENE GLYCOL DERIVATIVES FOR USE IN THE MANUFACTURE OF COSMETIC AND PHARMACEUTICAL PREPARATIONS AND SUBSTANCES; POLYMER BEADS FOR USE IN MANUFACTURING; POLYALKYLENE GLYCOLS FOR USE IN THE MANUFACTURE OF LIPOSOMES TO BE USED AS THERAPEUTICS DIAGNOSTICS, AND AS IMAGING AGENTS FOR DIAGNOSTIC...