ST. PAUL, Minn.--(BUSINESS WIRE)--3M Drug Delivery Systems has signed an agreement with VaxInnate Corporation under which VaxInnate acquires the use of 3M’s patented toll-like receptor (TLR) agonists for use as vaccine adjuvants. Data suggest that 3M’s TLR agonists could enhance vaccine potency, potentially enabling VaxInnate to develop vaccines that provide faster, more robust protection.