1
Agis F Kydonieus, Inja K Smith, Reid A Conroy, Ernest A Pedicano: Time color indicator. Herculite Protective Fabrics Corporation, Sughrue Rothwell Mion Zinn and Macpeak, July 15, 1980: US04212153 (72 worldwide citation)

A laminated indicator which changes in a visually perceptible mode with the passage of time and a method for making such an indicator. At least two layers are provided whereby the molecular migration of an agent in an interior layer to the outermost surface of the exterior layer causes a change whic ...


2
Ernest A Pedicano, Allan G Sacks: Fast-acting time color indicator. Note Worthy Products, Handal & Morofsky, April 21, 1992: US05107470 (20 worldwide citation)

A time color indicator and method are provided. The time color indicator includes a base layer segment having a transparent impermeable layer, a substantially non-curing opaque coating, and a release sheet. A portion of the uncoated surface of the transparent layer bears a printed area including a c ...


3
Ernest A Pedicano, Allan G Sacks: Hidden message indicator. Handal & Morofsky, October 26, 1999: US05974003 (11 worldwide citation)

A time color indicator and method are provided. The time color indicator includes a base layer segment having a transparent impermeable layer, a substantially non-curing opaque coating, and a release sheet. A portion of the uncoated surface of the transparent layer bears a printed area including a c ...


4
Pedicano Ernest Accuciso, Sacks Allan Gilbert: Improved time color indicator.. Note Worthy Products, October 16, 1991: EP0451888-A2 (8 worldwide citation)

A time color indicator and method are provided. The time color indicator includes a base layer segment having a transparent impermeable layer, a substantially non-curing opaque coating, and a release sheet. A portion of the uncoated surface of the transparent layer bears a printed area including a c ...