CAON Owns Patent To Change Global Construction! Chan-On International Inc. Symbol: CAON Close: $0.75 UP Among the 12 patents CAON recently acquired is a design for turning industrial plastic and ash waste into wallboard to replace drywall. it is not only a reduction in cost for developers, it is environmentally safe and longer lasting than regular drywall. This company has the edge. Get on CAON first thing Wednesday. Here is why I am starting to like the stock from the long side again on a technical perspective. The risk of not doing so may be unacceptable. In addition, the software giant now provides an advance notification on the Thursday preceding Patch Tuesday to alert customers to what should be coming down the pike. You can contact Keith about "Which Windows When? Perhaps it's an indication that Microsoft has vastly improved its patch development, patch review and patch regression testing practices.