US Patent Application No: 2004/0197,545

Number of patents in Portfolio can not be more than 2000

Articles that include a polymer foam and method for preparing same

ALSO PUBLISHED AS: 7879441

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Abstract

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Polymer foam articles prepared by melt-mixing a polymer composition and a plurality of microspheres, at least one of which is an expandable polymeric microsphere, under process conditions, including temperature and shear rate, selected to form an expandable extrudable composition; and extruding the composition through a die.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
3M INNOVATIVE PROPERTIES COMPANYST PAUL, MN8969

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gehlsen, Mark D Eagan, MN 41 297
Momchilovich, Bradley S Stillwater, MN 19 174

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
ZEPHYROS, INC. (5)
7,125,461 Activatable material for sealing, baffling or reinforcing and method of forming same 18 2003
7,199,165 Expandable material 25 2004
8,070,994 Panel structure 4 2005
7,521,093 Method of sealing an interface 10 2005
7,838,589 Sealant material 0 2007
 
3M INNOVATIVE PROPERTIES COMPANY (1)
8,652,631 Polymer foams 0 2010
 
ARKEMA INC. (1)
7,514,480 Low level radiation treatment for improving polymer properties 1 2005