Patent ID: 7172814

Claim:
An article of manufacture that is adapted for use as a food wrap that is both resistant to liquids and biodegradable, comprising: a fibrous sheet comprised of thin, flexible tissue paper having a weight up to 15 lb/3000 ft 2 prior to being coated or impregnated with any thermoplastic polymers, at least a portion of the fibrous sheet being coated and/or impregnated with a biodegradable composition that renders the fibrous sheet more resistant to liquids and that yields an article that is adapted for use as a food wrap such that it is sufficiently thin and flexible so as to be easily wrapped around a food item and that possesses sufficient dead-fold that it will remain wrapped around the food item absent application of an external force, the biodegradable composition comprising: at least one soft thermoplastic biodegradable polymer having a glass transition temperature less than about 0Â° C.; and at least one stiff thermoplastic biodegradable polymer having a glass transition temperature of at least about 10Â° C.