If you Legally purchase any of the loops or products from, www.houseofloop.com, then you can use the loops mixed in with any of your compositions. However, You Cannot claim they are yours without your incorporating other sounds to an extent to where it sounds different than the original. As long as it is altered with other instruments or sounds You are good to go! If there would ever be anything different, it will be clearly noted on the website.
You cannot use the sounds to make: another sample CD, sound effects on a website, or a multimedia production, etc. - Unless it is part of a composition with other sounds.