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US008980907B2 (12) United States Patent (10) Patent No.: US 8,980,907 B2 Baker, Jr. et al. (45) Date of Patent: Mar. 17, 2015 (54) DENDRIMER CONJUGATES 4,892,935 A 1/1990 Yoshida et al. 4.914,021 A 4, 1990 Toth (71) Applicant: E" of the try is of 4,921,7894,918,164 A 4,5/1990 1990 SalemHellstrom et al. et al. ichigan, Ann Arbor, MI (US) 4,921,790 A 5/1990 O’Brien 4,939,240 A 7, 1990 Chu et al. (72) Inventors: James R. Baker, Jr., Ann Arbor, MI 4.946,778 A 8, 1990 Ladner et al. (US); Xue-min Cheng, Ann Arbor, MI 4,963.484. A 10/1990 Kufe (US); Abraham F. L. Van Der Spek 4,965,128 A 10, 1990 Greidanus Ann Arbor,s MI (US);O - O Baohua Mark s 5,053.4895,041,516 A 10/19918, 1991 KifeFrechet et al. Huang, Ann Arbor, MI (US); Thommey 5,110,911. A 5/1992 Samuel et al. P. Thomas, Dexter, MI (US) 5,270,163 A 12/1993 Gold et al. 5,338,532 A 8, 1994 Tomalia et al. 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USPC .................. 514/282,237.2: 424/78.3:546/46 See application file for complete search history. (57) ABSTRACT (56) References Cited The present invention relates to novel therapeutic and diag U.S. PATENT DOCUMENTS nostic dendrimers. In particular, the present invention is directed to dendrimer-linker conjugates, methods of synthe 4,161,948 A 7, 1979 Bichon sizing the same, compositions comprising the conjugates, as 4,507,466 A 3, 1985 Tomalia et al. well as systems and methods utilizing the conjugates (e.g., in 4,558,120 A 12/1985 Tomalia et al. diagnostic and/or therapeutic settings (e.g., for the delivery of 4,568,737 A 2, 1986 Tomalia et al. 4,587,329 A 5, 1986 Tomalia et al. therapeutics, imaging, and/or targeting agents (e.g., in disease 4,631,337 A 12/1986 Tomalia et al. (e.g., cancer) diagnosis and/or therapy, pain therapy, etc.)). 4,694,064 A 9, 1987 Tomalia et al. 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