g1smd - 7:59 pm on Jun 15, 2012 (gmt 0)

No. They will not remove the URLs since they already know they "exist". The robots.txt directive merely stops them being fetched by Google.

The way to remove the URLs from the index is to add the meta robots noindex tag to the HTML part of the redirect page.

Alternatively, using a 301 redirect in place of the 302 redirect would do the trick.

I'll bet the other sites are not at all impressed with your URLs appearing in the SERPs with their titles.