The data was published several times by Henning Serger here on APUG and on as well.
You might do a search here, just recently in his Photokina 2012 report Henning repeated what was already know about Copex Rapid.

At Carl Zeiss AG, Oberkochen lenses are tested with those super films.
Zeiss published their data in several Camera Lens Newsletters during the last decade.