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PureTemp-powered Greenbox wins DuPont innovation award


Entropy Solutions' thermal management system wins top honors in global competition, lauded as breakthrough in sustainable packaging.

EDEN PRAIRIE, Minn. -- Entropy Solutions, Inc., a thermal technology development company, has been awarded “Diamond” honors, the highest award level, for its Greenbox thermal management system in the 22nd Annual DuPont Awards for Packaging Innovation. Greenbox was recognized for “demonstrating excellence in innovation, sustainability and cost/waste reduction.”

The DuPont Awards for Packaging Innovation is the industry’s longest running, independently judged global awards program honoring packaging materials, processes, technology and service innovations. More than 160 entries were reviewed and judged by a prestigious panel of international jurors.

“These winners demonstrate that collaborative innovation has no boundaries. It crosses disciplines, markets and geographies,” said William J. Harvey, president – DuPont Packaging & Industrial Polymers. “The collective ingenuity of these business partnerships has yielded innovative new solutions that address pressing consumer needs.”

The Greenbox system uses Entropy Solutions’ patented PureTempTM phase change technology to keep temperature-sensitive products at a consistent temperature for more than five days. Since its initial launch in 2008, Greenbox has revolutionized the cold chain-shipping industry by keeping temperature-sensitive items within a very narrow temperature range for extended durations of time, all while being 100 percent safe for humans and the environment.

Jury leader John Bernardo, president of Sustainable Innovations, spoke to the growth of sustainability in the packaging industry during a webinar announcing the competition winners May 25. “Sustainable packaging is gaining momentum,” Bernardo said. “This year’s winners represent impressive strides in improved sustainability.”

Greenbox was especially lauded for its essential thermal protection of life-saving drugs while dramatically reducing freight costs and packaging waste. Companies such as Walmart Specialty Pharmacy, Abbott Laboratories, Amgen, American Red Cross and Medtronic use Entropy’s Greenbox system to ship pharmaceuticals, biologics and blood supplies.

“PureTemp and its packaging applications like Greenbox are changing the way life science companies do business, and we are honored to receive this recognition from one of the world’s pioneers in sustainable packaging,” Entropy CEO Eric Lindquist said. “We are equally fortunate to partner with the world’s leading life science companies who utilize Pure Temp technology to save and improve lives by shipping life-saving pharmaceuticals and advancing medical discoveries.”

PureTemp – The Science Behind Greenbox

Greenbox is powered by PureTemp, the world’s first and only 100 percent bio-based, renewable phase change material. It’s a specially engineered, feedstock-based derivative that controls temperatures to extremes – used in life science-related polymerization reactors (+150C), and temperature sensitive packaging (-40C) – for extended periods of time. PureTemp’s unique formulation is used in liquid, microencapsulated and macro-encapsulated forms, but for cold-chain applications, liquid is typically used. PureTemp is a breakthrough energy-control technology that is also used in other industries, including construction, heating/cooling, textiles, health care, energy storage, and food and beverage.

To learn more PureTemp phase change technology, Greenbox or Entropy Solutions, please visit

About Entropy Solutions Inc.

Entropy Solutions Inc. is a thermal technology development company with its global headquarters in Minneapolis. Entropy’s vision is to advance the global quality of life through passive thermal energy control. Entropy Solutions strives to be the dominant provider of a broad range of renewable phase change materials to a host of targeted industries. Entropy partners with leading edge product development companies to deliver renewable, innovative and cost-effective passive thermal energy storage solutions for the shipping, construction, textile, healthcare and alternative energy industries.

Entropy Solutions’ PureTemp PCM technology is the world’s first and only 100 percent renewable-based phase change material. PureTemp innovation has received global recognition, including 2009 “Innovator of the Year” and “Top Technology of the Year” honors, in addition to the 2010 “Top Environmental Initiative” award. Using PureTemp, Entropy’s Greenbox, an innovative next-generation passive thermal shipping container, is capable of maintaining narrow temperature ranges for record durations while reducing packaging waste.

About DuPont

DuPont – one of the first companies to publicly establish environmental goals 19 years ago – has broadened its sustainability commitments beyond internal footprint reduction to include market-driven targets for both revenue and research and development investment. The goals are tied directly to business growth, specifically to the development of safer and environmentally improved new products for key global markets. DuPont is a science-based products and services company. Founded in 1802, DuPont puts science to work by creating sustainable solutions essential to a better, safer, healthier life for people everywhere. Operating in more than 70 countries, DuPont offers a wide range of innovative products and services for markets including agriculture and food; building and construction; communications; and transportation. For more information about DuPont Packaging and the Awards competition, visit