Editorially speaking, that is. From the inbox:
When possible in writing, refer to the generic term and not the trademark name. For instance:
Tissue instead of Kleenex Table tennis balls instead of Ping-Pong balls Soft drink instead of Coke Air-filled plastic packaging material instead of Bubble Wrap Slow cooker instead of Crock-Pot Gelatin dessert instead of Jell-O
This excellent Web site lists trademark names.
This one lists alternate descriptives for trademark names.