Biodegradable polymer chemical coatings for implants, for medical, surgical, pharmaceutical, dental and veterinary purposes; none of the aforementioned goods for use in relation to veterinary vaccines; biodegradable polymer chemical products in the nature of drug delivery agents for use in coatings, injectable, parenteral, transdermal, cutaneous, topical, implantable, and plant administered products, for the controlled release of drugs, biologics and pharmacologically active agents, for medic...