Double-blind labels

Claim 2

At least one pressure sensitive label comprising a backing sheet having at least one removable, double blind self adhesive label affixed thereto, said label separable into at least two sections, said sections including a blind section comprising a blinded area having information printed thereon, a clear lacquer-like coating thereover and an opaque scratch-removable coating over said lacquer-like coating, an open section and a record keeping section which identifies the blinded information.

Claim 3

A multiplicity of pressure sensitive double-blind test labels on a carrier sheet comprising a continuous carrier sheet having a multiplicity of multisection, removable, self adhesive labels affixed to a central portion thereof, the sections of each of said labels being separable by means of vertically extending closely spaced perforations in said labels said sections including an open section for affixing to a test material dispenser and having printed matter thereon which states the test protocol number, recipient identification number and dissemination directions, but not activity information, a blind section which includes a scratch removable blinded area having printed thereunder blind test information such as whether a placebo or active material was disseminated, said blind section further including printed information as contained on said open section said blind section being for retention by test administrator and a record keeping section to be kept with the manufacturer or agency and having printed thereon information to identify the particular protocol and test material activity.

Claim 4

A multiplicity of pressure sensitive double-blind test labels on a carrier sheet comprising a continuous carrier sheet having a multiplicity of multisection, removable, self adhesive labels affixed to a central portion thereof, the sections of each of said labels being separable by means of vertically extending closely spaced perforations in said labels said sections including an open section for affixing to a test material dispenser and having printed matter thereon which states the test protocol number, recipient identification number and dissemination directions, but not activity information, a blind section which includes a scratch removable blinded area having printed thereunder blind test information such as whether a placebo or active material was disseminated, said blind section further including printed information as contained on said open section said blind section being for retention by test administrator and a record keeping section to be kept with the manufacturer or agency and having printed thereon information to identify the particular protocol and test material activity.

Claim 5

The labels recited in claim 2 further include a multiciplicity of spaced line holes adjacent the edges of said carrier sheet of such size and spacing as to adapt said carrier sheet for use with computer printers.