http://www.ct.gov/dmv/cwp/view.asp?a=816&q=244692
Note: If the vehicle is being sold to someone in another state, you must request a replacement title. Once you have received the duplicate title, complete the transfer section on the reverse side of the title and provide to the buyer of the vehicle.
The seller needs to do this:
http://www.ct.gov/dmv/lib/dmv/20/29/h-6b.pdf
Is this what the seller tried to do?