Mbrane files for Chapter 11; Enters Into Definitive Sale Agreement: Purchase Includes the Assets, Customers, Employees and Technology of the Business; Operations Will Continue Out of Seattle REDWOOD SHORES, Calif., Aug. 21, 2001 (PRIMEZONE) -- Mbrane (Nasdaq:MBRNE), a global m-business software company, today filed a voluntary petition under Chapter 11 of the United States Bankruptcy...