Polystyrene foamed sheet suitable for forming

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4528221
SERIAL NO

06493290

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A polystyrene foamed sheet suitable for thermoforming and containers such as cups or trays formed therefrom, the foamed sheet comprising a polystyrene resin as the base resin which contains a specific quantity of each a rubber component and a filler, having specific bulk density, thickness, stretch ratio and residual gas quantity, and said sheet being preferably laminated with a film.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddressTotal Patents
Sekisui Kaseihin Kogyo Kabushiki KaishaNARA17

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Komatsuzaki, Nobuyuki Koga, JP 2 60
Machida, Bon Koga, JP 3 108
Tsubone, Masahiro Koga, JP 13 242

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Sekisui Kaseihin Kogyo Kabushiki Kaisha (2)
* 4426065 Continuous process for the production of polystyrene foamed articles 15 1981
* 4463861 Sheet for forming sleeve and process for producing the same 48 1983
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
* 6492012 Polymer penetrated porous substrates 4 2000
* 2005/0025,979 Livestock security tag assembly 28 2003
 
SYNBRA TECHNOLOGY B.V. (1)
* 2010/0098,928 Polymer Mixture, A Method For Producing An Extruded Product, Methods For Producing A Starting Material For A Foamed Moulded Product And Methods For Producing A Foamed Moulded Product, The Products Obtained With Said Methods And Applications Thereof 2 2008
 
PREGIS INNOVATIVE PACKAGING INC. (2)
7045556 Polyolefin foams made with isopentane-based blowing agents 10 2002
* 2004/0006,149 Polyolefin foams made with isopentane-based blowing agents 3 2002
 
DIXIE CONSUMER PRODUCTS LLC (1)
* 2009/0110,855 Filled Polystyrene Compositions and Uses Thereof 2 2007
 
GRUPO CONVERMEX, S.A. DE C.V. (5)
* 2006/0005,917 Method and apparatus for producing labeled, plastic foam containers, and product of same 19 2005
8105459 Method and apparatus for producing labeled, plastic foam containers, and product of same 11 2010
* 2011/0011,523 METHOD AND APPARATUS FOR PRODUCING LABELED, PLASTIC FOAM CONTAINERS, AND PRODUCT OF SAME 0 2010
8617681 Method and apparatus for producing labeled, plastic foam containers, and product of same 0 2012
9321557 Method and apparatus for producing labeled, plastic foam containers, and product of same 0 2013
 
STYRON EUROPE GMBH (1)
* 5364696 Polystyrene foam sheet useful for forming deep drawn articles, a process to produce those articles, and the deep drawn articles 13 1994
 
IDEMITSU KOSAN CO., LTD. (3)
* 6013726 Composition of styrene resin, thermoplastic resin and rubber 16 1995
* 5891951 Styrene-based resin composition 7 1995
* 5683801 Styrenic resin laminate and molding thereof 3 1996
 
PACTIV CORPORATION (1)
* 2006/0175,326 Polymeric containers and container assemblies with cohesive 5 2005
 
Mobil Oil Corporation (1)
* 4832775 Composite structure based on polystyrene foam and oriented polypropylene film and thermo-formed articles fabricated therefrom 37 1987
 
NOVA CHEMICALS INC. (2)
* 7252866 Thermoplastic film for a disposable container made of expandable thermoplastic particles 3 2002
* 2004/0121,101 Thermoplastic film for a disposable container made of expandable thermoplastic particles 3 2002
 
TENNECO PLASTICS COMPANY (1)
* 5356944 High melt index polystytene foam and method 16 1994
 
AVERY DENNISON CORPORATION (3)
* 6150013 Low thermal conductivity in-mold label films 33 1996
6758000 Livestock security tag assembly 15 2001
6716501 Multilayered film 11 2002
 
OWENS-ILLINOIS, INC. (1)
* 5405667 Plastic container with multilayer label applied by in-mold labeling 22 1992
 
CCL LABEL, INC. (3)
6756095 Heat-sealable laminate 30 2001
6773653 In-mold labeling method 78 2001
* 2005/0008,809 In-mold labeling method and labeled products 4 2004
 
THE DOW CHEMICAL COMPANY (5)
* 5389694 Foamable styrenic polymer gel having a carbon dioxide blowing agent and a process for making a foam structure therefrom 9 1993
* 5688832 Low molecular weight alkenyl aromatic polymer foam 6 1996
* 5674916 Extruded, open-cell microcellular alkenylaromatic polymer foams and process for making 16 1997
* 5863960 Extruded, open-cell microcellular alkenyl aromatic polymer foams, process for making and articles made therefrom 4 1997
* 5780521 Extruded, open-cell microcellular alkenyl aromatic polymer foams, process for making, and articles made therefrom 14 1997
 
TOYO SEIKAN KAISHA, LTD. (1)
* 4904512 Compression-molded article having multilayer structure 6 1987
 
PACTIV LLC (14)
* 5939463 High productivity, low fugitive VOC emission foam process 3 1997
* 6136875 High productivity, low fugitive emission foams and foam processes 12 1999
7166248 Reduced VOC emission alkenyl aromatic polymer foams and processes 9 2003
7814647 Reinforced plastic foam cup, method of and apparatus for manufacturing same 3 2005
7704347 Reinforced plastic foam cup, method of and apparatus for manufacturing same 8 2005
7694843 Reinforced plastic foam cup, method of and apparatus for manufacturing same 16 2005
7552841 Reinforced plastic foam cup, method of and apparatus for manufacturing same 35 2005
7536767 Method of manufacturing a reinforced plastic foam cup 18 2005
7818866 Method of reinforcing a plastic foam cup 14 2006
7918005 Reinforced foam cup, method of and apparatus for manufacturing same 13 2009
8828170 Apparatus and method for manufacturing reinforced containers 2 2010
8087147 Method of reinforcing a plastic foam cup 16 2010
7918016 Reinforced plastic foam cup, method of and apparatus for manufacturing same 17 2010
8622208 Reinforced cup 1 2011
 
NAGOYA OILCHEMICAL CO., LTD. (2)
* 5328723 Masking member 10 1991
* 5206069 Panel type masking member 1 1992
 
SOLO CUP OPERATING CORPORATION (1)
* 5362436 Polystyrene foam sheet useful for forming deep drawn articles, a process to produce those articles, and the deep drawn articles 38 1993
 
DAINIPPON INK AND CHEMICALS, INC. (1)
* 4835041 Biaxially stretched composite styrene resin sheet 3 1987
 
RENSSELAER POLYTECHNIC INSTITUTE (2)
* 5334450 Weatherable styrenic film structures with intermediate tie layer and laminates thereof 21 1992
* 5306548 Coextruded weatherable film structures and laminates 52 1992
 
FUJI SEAL INTERNATIONAL, INC. (1)
* 5861201 Multilayer label material 35 1997
* Cited By Examiner