But how can you patient a process? Apple and Mirror both wrote a process on how to back up data as a complete backup. You can patent the code behind it, but not the process.
Of course you can patent a process.
35 U.S.C. 101 Inventions patentable.
Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title.