Hi, @Googie, thank you for your support
patches 1 through 19 are for Double Dragon 2 (J) CRC(8cf69e4b), patches 20 through 30 for Double Dragon 3 (J) CRC(40759ab5) or Double Dragon 3 (U) CRC (7a6e0454).
Unfortunately, Xdegenerate is complaint about there's is a problem with this patch, example black screen, grey screen or it flashes different colors after the menu selection.
so if you have same problems too, you can pm me to get the link of the full roms without any problems.
What are the names of the hacks you ask? hmm...the name of the hack is written in chinese, most of them are hack by china ppl, so i dunno how to answer you, but you can see the detail of the hack in txt files and it was written in chinese, but you can translate it to english use google translation