US Patent No: 5,674,916

Number of patents in Portfolio can not be more than 2000

Extruded, open-cell microcellular alkenylaromatic polymer foams and process for making

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Importance

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Abstract

Disclosed is an extruded, open-cell microcellular alkenyl aromatic polymer foam useful in insulating applications. The foam has an open cell content of about 70 percent or more. The foam has an average cell size of about 70 micrometers or less. The foam is particularly useful in evacuated or vacuum insulation panels. Further disclosed is a process for making the open-cell foam.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
THE DOW CHEMICAL COMPANYMIDLAND, MI6245

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Imeokparia, Daniel D Pickerington, OH 14 138
Shmidt, Creston D Nashport, OH 17 155
Suh, Kyung W Granville, OH 54 645

Cited Art

Patent Info (Count) # Cites Year
 
SEKISUI KASEIHIN KOGYO KABUSHIKI KAISHA (1)
4,528,221 Polystyrene foamed sheet suitable for forming 41 1983
 
TENNECO PLASTICS COMPANY (1)
5,286,429 High melt index polystyrene foam and method 22 1991

Patent Citation Ranking

Forward Cites

Patent Info (Count) # Cites Year
 
KIMBERLY-CLARK WORLDWIDE, INC. (3)
7,358,282 Low-density, open-cell, soft, flexible, thermoplastic, absorbent foam and method of making foam 16 2003
7,291,382 Low density flexible resilient absorbent open-cell thermoplastic foam 0 2004
8,158,689 Hybrid absorbent foam and articles containing it 0 2005
 
THE DOW CHEMICAL COMPANY (3)
5,854,295 Microcellular foams containing an infrared attenuating agent and a method of using 10 1997
6,093,752 Open-cell foam and method of making 16 1999
6,174,471 Open-cell foam and method of making 9 2000
 
THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL (2)
6,403,663 Method of making foamed materials using surfactants and carbon dioxide 9 1999
6,790,870 Methods of making foamed materials of blended thermoplastic polymers using carbon dioxide 6 2000
 
EASTMAN KODAK COMPANY (1)
6,958,365 Manufacturing process for open celled microcellular foam 3 2003
 
INEOS FLUOR HOLDINGS LIMITED (1)
6,384,095 Closed cell polymer foam 2 1999
 
JSP CORPORATION (1)
7,166,348 Core material for vacuum heat insulation material, and vacuum heat insulation material 1 2001
 
OWENS CORNING INTELLECTUAL CAPITAL, LLC (1)
6,274,640 Extruded foam product with 134a and alcohol blowing agent 2 2000