The process was patented in 1989. See US patent 4829768, Fluid dissociation solar energy collection system, Carden, Peter O. Assignee: Anutech Pty. Ltd., Canberra, Australia.

Most easily available at Google Advanced Patent Search:

http://www.google.com/patents?q=&btnG=Search+Patents

The process was patented in 1989.

It's not the same process. The process in the patent expands the dissociated product stream in a turbine to make work. The process described here recombines the dissociated products in a reactor to make steam. The patent is by the research group at ANU. It contains references to their earlier work.