A vegetable oil-based coating and a method for applying the coating to a substrate where the coating includes the reaction product of a transesterified vegetable oil-based polyol, a catalyst, and an isocyanate; the reaction product of a vegetable oil based polyol, a cross-linker, a catalyst, and an isocyanate...http://www.google.es/patents/US6979477?utm_source=gb-gplus-sharePatente US6979477 - Vegetable oil-based coating and method for application
Vegetable oil-based coating and method for application