Patriot Loan Act of 2006 - Amends the Small Business Act to increase from $1.5 million to $2 million the loan limit that may be made to a small businesses that has suffered or is likely to suffer substantial economic injury as a result of an essential employee being ordered to active military duty during a period of military conflict. Limits to $25,000 any such loan that is made without collateral.
Directs the Administrator of the Small Business Administration (SBA) and the Secretary of Defense to: (1) develop a joint website and printed material providing information on such loan program; and (2) conduct a joint study on the feasibility of creating a business mobilization and interruption insurance program and a debt insurance program for mobilized Guard and reserve personnel who own or operate small businesses.