TOP LAYER SURFACE MEDIA

Brand	Owner	Address	Description
BIOGRATE	MUNTERS CORPORATION	79 Monroe Street Amesbury MA 01913	top layer surface media for trickling filters used in the treatment of waste waters;
	Where the owner name is not linked, that owner no longer owns the brand

Technical Examples

The present disclosure relates to a limited play optical storage media and a method for limiting access to data thereon. This storage media includes a first substrate; a reflective layer; a data storage layer disposed between said first substrate and said reflective layer; a reactive layer comprising at least one reactive material disposed on said at least one reflective layer; an optically transparent second substrate disposed between the reactive layer and a laser incident surface of the optical storage media; and an oxygen permeable barrier layer disposed between the reactive layer and a laser incident surface of the optical storage media, said reactive layer having an initial percent reflectivity of about 50% or greater and a percent reflectivity of about 45% or less after exposure to oxygen.