1
Gordhanbhai N Patel, Anthony F Preziosi, Ray H Baughman: Time-temperature history indicators. Allied Chemical Corporation, David W Collins, Ernest A Polin, December 28, 1976: US03999946 (146 worldwide citation)

Compositions containing at least two conjugated acetylene groups (-C.tbd.C-C.tbd.C-) are suitable as integral time-temperature history indicators. These compositions exhibit sequences of irreversible color changes at combinations of times and temperatures specific to each composition. Thus, when sup ...


2
Gordhanbhai N Patel, Anthony F Preziosi, Himangshu R Bhattacharjee, Lester T C Lee: Coloration of acetylenic monomers by gases. Allied Corporation, Alan M Doernberg, Gerhard H Fuchs, Kenneth E Stroup, October 29, 1985: US04550150 (4 worldwide citation)

Process of detecting the presence of certain gases, including certain pollutants, in small concentrations; or to cause partial polymerization of certain polyacetylene compositions for use in time/temperature history indicators or radiation dosage indicators. The process involves contacting a reactiv ...


3
Time-temperature history indicators. Allied Chem, September 16, 1977: FR2341848-A1 (3 worldwide citation)

Compositions containing at least two conjugated acetylene groups (-C 3BOND C-C 3BOND C-) are suitable as integral time-temperature history indicators. These compositions exhibit sequences of irreversible color changes at combinations of times and temperatures specific to each composition. Thus, when ...


4
Patel Gordhanbhai N, Baughman Ray H, Preziosi Anthony F: Indicateurs de degradation (duree et temperature), Time-temperature history indicators. Allied Chemical Corporation, September 11, 1979: CA1062135

INVENTION: TIME-TEMPERATURE HISTORY INDICATORS INVENTORS: G. N. PATEL, ANTHONY F . PREZIOSI andRAY H. BAUGHMAN ABSTRACT OF THE DISCLOSURE Compositions containing at least two conjugated acetylenegroups (-C?C-C?C-) are suitable as integral time-temperature historyindicators. These compositions exhibi ...