Elemental Gimmick Gear RGB fix

[Slider One]

Well, I believe it's not impossible. Seems as if some guy ripped it's burned game back to CDI, but you didn't say if it's selfboot or not. First you should open the CDI in CDMage (hope you know that program). If he just ripped a non-boot CD to CDI, things are easier, since you should only find a Mode1-Track in the Image. If that's the case, you just have the wrong Image-Type to apply the patch.
The way to go would be extrakting the Images contents (you can do that with CDMage) and create a BIN out of it. AFAIK WinISO or WinImage can do that.

If the game is selfbooting, you will most likely have 2 sessions in the CDI-Image. Either one Audio- and one Mode2-Track, or just two Mode2-Tracks. If that's the case, it becomes really problematic. You will be forced to turn your selfbooter back to an non-booter first and recreate the IP.bin
There is a guide on http://xeal.cjb.net/
that explains how to.

But be warned, this just works in theory. The is no guaranty, that your final Bin-Image has the correct size for applying the patch. Most likely you will have problems.
But that's the only way I can think of, and you should give it a try.