Medical wound dressings; surgical dressings; bio-active wound dressings; collagen based wound dressings; antimicrobial coatings and preparations to treat the growth of mold, mildew and bacterial and fungus on various surfaces; biological skin tissue based on dermal collagen intended for subsequent implantation; wound care products in the nature of composite wound dressings, dressings for chronic wounds, burns, surgery, and venous ulcer dressings impregnated with bioactive collagen derived pep...