JPMorgan Chase & Co., the largest U.S. bank, sold $750 million of 30-year bonds in its first dollar-denominated benchmark issue of the maturity in 20 months. The 5.625 percent, subordinated notes yielded 190 basis points more than similar-maturity Treasuries, according to data compiled by Bloomberg. Proceeds will be used for general corporate purposes, the data show. Benchmark sales are typically at least $500 million.