Plastic article or earthenware shaping or treating: apparatus – Diverse distinct type shaping means – Shaping orifice and either a downstream preform reshaping...
Reexamination Certificate
2006-12-26
2006-12-26
Del Sole, Joseph S. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Diverse distinct type shaping means
Shaping orifice and either a downstream preform reshaping...
C425S363000, C425SDIG041
Reexamination Certificate
active
07153122
ABSTRACT:
A process for stretching films is described. The process preferably stretches films in a uniaxial fashion. Preferably, optical films are stretched including multilayer optical films. Other aspects of the invention include a roll of stretched film and an apparatus for stretching films.
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Weber, Michael F., et al., “Giant Birefringent Optics in Multilayer Polymer Mirrors,”Science, vol. 287, pp. 2451-2456 (Mar. 31, 2000).
Jackson Jeffery N.
Krueger Dennis L.
Merrill William Ward
Ruff Andrew T.
Thompson Desiree L.
3M Innovative Properties Company
Del Sole Joseph S.
Wetzels Anna A.
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