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DuPont Packaging Graphics celebrates patent milestone

January 2, 2008

DuPont Packaging Graphics has announced that it recently achieved the registration milestone of 125 patent families consisting of more than 600 patents and applications worldwide.

DuPont Packaging Graphics, Wilmington, DE, USA, has announced that it recently achieved the registration milestone of 125 patent families consisting of more than 600 patents and applications worldwide.

“Since the introduction of DuPont Cyrel photopolymer printing plates in 1974, we have been working with our customers to develop innovative technologies to advance flexography,” says Lisa DiGate, global business director, DuPont Packaging Graphics. “These patents represent our investment in flexography, the package printing industries and in the innovations that our customers value.”

“DuPont innovation has played a key role in the major technology, productivity and sustainability advances in flexography,” says Kevin Leary, global technology director. “Like the other technology leaders in the flexographic industry, we continue to make investments in order to find creative ways to serve customers and satisfy the innovation demands of the consumer packaged goods companies.”

Some of the highlights in the evolution of Cyrel and flexography are:
• Cyrel, the first photopolymer printing plate (1974)
• Automated and in-line platemaking systems (1980s)
• Capped plate technology for improved print quality (1987)
• Aqueous processible printing plates (1990s)
• The development and introduction of a fully digital photopolymer workflow for flexo including Digital Cyrel printing plates and the Cyrel Digital Imager (1995
• Cyrel FAST, the first solvent-free, dry, thermal plate processing system (2000)
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