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
Kwok C Yee, Anthony F Preziosi, Gordhanbhai N Patel, Ronald R Chance, Granville G Miller, Ray H Baughman: Thermochromic polyacetylenes containing urethane groups. Allied Chemical Corporation, Gerhard H Fuchs, Robert J North, Robert A Harman, July 29, 1980: US04215208 (58 worldwide citation)

Certain polyacetylenes exhibit reversible color changes at transition temperatures in the range -180.degree. to 220.degree. C., wherein the thermochromic cycles can be repeated many times with no apparent degradation and little change in spectroscopic properties.


3
Anthony F Preziosi, Kwok C Yee, Ray H Baughman: Crystalline diacetylene polymers. Allied Chemical Corporation, Robert A Harma, September 2, 1980: US04220747 (30 worldwide citation)

Liquid phase processable crystalline diacetylene polymers are obtained by the solid state reaction of monomers having the formula


4
Anthony F Preziosi, Thaddeus Prusik, Ray H Baughman: Defrost indicator. LifeLines technology, Arthur J Plantamura, January 9, 1990: US04892677 (28 worldwide citation)

A new process is described which is useful for producing novel articles of manufacture useful for monitoring the time-temperature history of perishable items. The process initially involves forming a solution comprised of a diacetylenic monomer and a solvent. The solution is frozen, and the frozen s ...


5
Anthony F Preziosi, Thaddeus Prusik: Metal complexed acetylenic compounds useful as environmental indicating materials. LifeLines Technology, Arthur J Plantamura, November 29, 1988: US04788151 (27 worldwide citation)

Acetylenic complexes are disclosed that are useful as environmental indicating materials whereby exposure thereof to environmental stimuli induces a color change. These complexes contain at least one effective complexing metal and at least one acetylenic compound of the general formula:


6
Anthony F Preziosi, Thaddeus Prusik, Ray H Baughman: Defrost indicator. LifeLines Technology, Arthur J Plantamura, April 5, 1988: US04735745 (25 worldwide citation)

A new process is described which is useful for producing novel articles of manufacture useful for monitoring the time-temperature history of perishable items. The process initially involves forming a solution comprised of a diacetylenic monomer and a solvent. The solution is frozen, and the frozen s ...


7
Kwok C Yee, Anthony F Preziosi, Gordhanbhai N Patel, Ronald R Chance, Granville G Miller, Ray H Baughman: Thermochromic polyacetylenes used in laser beam recording method. Allied Chemical Corporation, Gerhard H Fuchs, December 30, 1980: US04242440 (25 worldwide citation)

Certain polyacetylenes exhibit reversible color changes at transition temperatures in the range -180.degree. to 220.degree. C., wherein the thermochromic cycles can be repeated many times with no apparent degradation and little change in spectroscopic properties.


8
Anthony F Preziosi, Thaddeus Prusik: Acid complexed acetylenic compounds useful as environmental indicating materials. LifeLines Technology, Arthur J Plantamura, December 6, 1988: US04789637 (22 worldwide citation)

A family of acetylenic complexes especially useful as environmental indicators is provided. The complexes include at least one complexing acid and one acetylenic compound of the formula:


9
Kwok C Yee, Anthony F Preziosi, Gordhanbhai N Patel, Ronald R Chance, Granville G Miller, Ray H Baughman: Tempeature measurement and display of indicia using thermochromic polyacetylenes. Allied Corporation, Alan M Doernberg, Gerhard H Fuchs, July 20, 1982: US04339951 (21 worldwide citation)

Certain polyacetylenes exhibit reversible color changes at transition temperatures in the range -180.degree. to 220.degree. C., wherein the thermochromic cycles can be repeated many times with no apparent degradation and little change in spectroscopic properties.


10
Ray H Baughman, Edith A Turi, Anthony F Preziosi, Kwok Chun Yee: Organic polymers with near-zero uniaxial thermal expansion coefficients. Allied Chemical Corporation, David W Collins, Arthur J Plantamura, November 30, 1976: US03994867 (13 worldwide citation)

There are provided processes and compositions for obtaining organic polymeric materials having near-zero uniaxial thermal expansion coefficients. According to one embodiment, an organic polymer having a negative uniaxial thermal expansion coefficient is treated by thermal processing under conditions ...