1
Carl Lentz, Dawn E Smith, Dene H Taylor: Freeze indicators, components therefor and preparative processes. Temptime Corporation, K&L Gates, March 6, 2012: US08128872 (42 worldwide citation)

Freeze indicators can include an indicator dispersion, a liquid medium, indicator particles dispersed in the liquid medium and a particulate inorganic nucleating agent to inhibit supercooling of the liquid medium. The inorganic nucleating agent can have an ionic surface coating which can help provid ...


2
Dawn E Smith, Thaddeus Prusik, Omar Abbassi: Color-retaining excess-temperature exposure indicator. Temptime Corporation, K&L Gates, April 14, 2009: US07517146 (18 worldwide citation)

An excess temperature indicator can provide a visual indication of past exposure of perishable, maturing and other host products to an elevated temperature exceeding a threshold temperature. The indicator can have an upper layer provided with a viewing window and a wick attached to the upper layer. ...


3
Dene H Taylor, Thaddeus Prusik, Dawn E Smith, Ray H Baughman: Freeze indicators, flexible freeze indicators and manufacturing methods. Temptime Corporation, K&L Gates, August 11, 2009: US07571695 (17 worldwide citation)

Freeze indicators providing a visual indication of exposure of the freeze indicator to a freezing or near-freezing temperature and their manufacture are disclosed. The freeze indicators employ colloidal dispersions as active elements and include flexible freeze indicators, freeze indicators protecte ...


4
Harry R Allcock, Charles G Cameron, Dawn E Smith: Photocrosslinkable polyphosphazenes and their use as microencapsulation materials. The Penn State Research Foundation, Cheryl K Kilpatrick & Cody Zalesky, November 7, 1995: US05464932 (15 worldwide citation)

Chalcone and cinnamate bearing polyphosphazenes are disclosed. The polyphusphazenes contain a sufficient number of chalcone or cinnamate groups, or a combination thereof, to achieve a photocrosslinkable material. The phosphazene backbone is transparent from the near and mid-UV to the near infrared r ...


5
Dene H Taylor, Thaddeus Prusik, Dawn E Smith, Ray H Baughman: Freeze indicators, flexible freeze indicators, combination indicators and manufacturing methods. Temptime Corporation, K&L Gates, February 22, 2011: US07891310 (13 worldwide citation)

Freeze indicators providing a visual indication of exposure of the freeze indicator to a freezing or near-freezing temperature and their manufacture are disclosed. The freeze indicators employ colloidal dispersions as active elements and include flexible freeze indicators, freeze indicators protecte ...


6
Dawn E Smith, Carl M Lentz, Dene H Taylor, Yvonne Osunga, Brian Huffman: Freeze indicators with a controlled temperature response. Temptime Corporation, K&L Gates, February 28, 2012: US08122844 (8 worldwide citation)

A freeze indicator can include an indicator dispersion having an aqueous liquid medium and organic material indicator particles dispersed in the aqueous liquid medium. The indicator dispersion can have an initial appearance before freezing and an irreversibly different appearance after freezing and ...


7
Dene H Taylor, Carl M Lentz, Dawn E Smith: Color-changing emulsions for freeze indicators. Temptime Corporation, K&L Gates, April 30, 2013: US08430053 (7 worldwide citation)

A color-changing emulsion for use in a freeze indicator can employ a dispersion medium, for example, an aqueous liquid, a first reactant phase and a second reactant phase, which two reactant phases can both be dispersed in the dispersion medium. The first reactant phase includes a hydrophobic liquid ...


8
Dene H Taylor, Thaddeus Prusik, Dawn E Smith: Freeze indicators suitable for mass production. Temptime Corporation, K&L Gates, December 1, 2009: US07624698 (7 worldwide citation)

A freeze indicator employs, as active indicator element, dispersion of solid particles in a liquid medium which can be water or aqueous and which coagulates to provide an irreversible appearance change when subject to freezing. The liquid dispersion can be contained in an indicator volume around whi ...


9
Brian S Huffman, Dawn E Smith, Carl M Lentz: Temperature-activated time-temperature indicator. Temptime Corporation, K&L Gates, March 18, 2014: US08671871 (6 worldwide citation)

A temperature-activatable time-temperature indicator that can be used to monitor the historical exposure of a host product to ambient temperatures includes an optically readable, thermally sensitive indicator element. The indicator element can be inactive below a base temperature and is intrinsicall ...


10
Thaddeus Prusik, Dawn E Smith, Ingo H Leubner, Wesley A Olmsted: Morphology control of substituted diacetylenic monomers for shelf life monitoring systems. Temptime Corporation, Kirpatrick & Lockhart Nicholson Graham, January 9, 2007: US07161023 (4 worldwide citation)

A system for recovering a diacetylenic monomer shelf life monitoring compound of reduced particle size and narrow size distribution range which comprises quenching a solution of the monomer by mixing the solution in a lower temperature quenching fluid having a base temperature which is at least abou ...