Systems, methods and computer program products are provided for anonymously buying and selling regulated goods, such as agricultural chemicals, via auctions conducted over a computer network. A seller of regulated goods submits a request to the Web site of an intermediary to list the regulated goods...http://www.google.com.au/patents/US6598027?utm_source=gb-gplus-sharePatent US6598027 - Systems, methods and computer program products for conducting regulation-compliant commercial transactions of regulated goods via a computer network