Finishing of rotational molding grade resin

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4508859
SERIAL NO

06452269

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Abstract

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Rotational mold grade resin is made by subjecting polyolefin to the following process: (1) polyolefin granules are blended with additives to form a masterblend; (2) the masterblend is intensively mixed with additional resin granules to shape the granules, reduce particle size and disperse additives; (3) the intermixed material is cooled and (4) large particles are removed and recycled.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
Exxon Research and Engineering CompanyFLORHAM PARK, NJ424

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Muhle, Mike E Kingwood, TX 2 28
Stolz, Richard J LaPorte, TX 2 28
Wright, Cecil W Baytown, TX 2 28

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Patent Info (Count) # Cites Year
 
Fetherstonhaugh & Co. (1)
* 4789597 Incorporation of chemically reactive agents on resin particles 12 1987
 
Other [Check patent profile for assignment information] (1)
* 2005/0228,118 Method of producing pelletized polyolefin 0 2005
 
BOREALIS TECHNOLOGY OY (3)
6533988 Rotational moulding process of ethylene polymers or copolymers having a controlled particle size and morphology 2 2000
* 2003/0146,542 Process for addition of additives to polymer particles 3 2002
* 6894109 Method of producing pelletized polyolefin 3 2003
 
DIXIE CONSUMER PRODUCTS LLC (3)
* 2004/0185,200 Disposable food contact compatible microwaveable containers having at least one micronodular surface and process for their manufacture 4 2004
7482053 Thermoformed food containers with enhanced rigidity 13 2004
* 2005/0092,742 Thermoformed food containers with enhanced rigidity 0 2004
 
APPLIED POLYMER SCIENCES LLC (2)
* 2004/0075,194 Process for the use of polymeric materials to produce molded foam products 1 2003
* 2004/0075,193 Process for the use of polymeric materials to produce molded products 1 2003
 
LIQUI-BOX CANADA INC. (1)
* 4877840 Polyolefin concentrate 7 1988
 
IP AG (1)
* 2009/0206,517 CENTRIFUGAL CASTING METHOD FOR FORMING A FRAME AND DEFINING MOULD THEREFOR 0 2005
 
KIMBERLY-CLARK WORLDWIDE, INC. (3)
* 5213881 Nonwoven web with improved barrier properties 186 1991
* 5271883 Method of making nonwoven web with improved barrier properties 54 1992
* 5464688 Nonwoven web laminates with improved barrier properties 112 1994
 
CRODA INTERNATIONAL PLC (2)
* 5053444 Polymer additive concentrate 24 1989
* 5516814 Process for preparing a polymer concentrate 16 1994
 
BAYER MATERIALSCIENCE LLC (1)
* 5998030 Material for manufacturing plastic parts 7 1997
 
MITSUI CHEMICALS, INC. (1)
* 4891392 Production process of polyolefin resin composition containing inorganic filler 18 1988
 
The Little Tikes Company (1)
* 2005/0113,486 Molded articles having a granular or speckled appearance and process therefor 1 2003
* Cited By Examiner