Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Composite having voids in a component
Reexamination Certificate
2006-08-01
2006-08-01
Chang, Victor (Department: 1771)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Composite having voids in a component
C428S316600, C428S317100, C428S317300, C428S318400, C428S343000, C428S354000, C427S208000
Reexamination Certificate
active
07083849
ABSTRACT:
A continuous method for making porous foam and the foam articles are described. The method allows for tailoring the porosity of the foam by controlling process variables including draw rate and blowing agent concentration. A method for co-extruding the foams with other materials is also described.
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Albrecht Bonnie Weiskopf
Feisel Bryan C.
Gehlsen Mark David
Hubbard Connie Lynn
Vall David Loren
3M Innovative Properties Company
Chang Victor
Edman Sean J.
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