Disclosed are immunopotentiating agents, and vaccines thereof, which enhance and/or otherwise modify immune responses, and method for their preparation and use in vivo. Immunopotentiating agents can be single agents that act directly, adjuvants added concurrently with the agents, or heteroconjugates...http://www.google.com/patents/US6143297?utm_source=gb-gplus-sharePatent US6143297 - Methods of promoting immunopotentiation and preparing antibodies with anti-CD3 antibodies