Olefin packaging laminate

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4293608
SERIAL NO

06084498

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A heat sealable packaging material comprising (A) a stretched base layer formed of a propylene polymer and (B) a stretched surface layer formed of a blend of a propylene-ethylene copolymer and a C.sub.4 -C.sub.10 .alpha.-olefin-propylene copolymer in a weight proportion of 20:80 to 94:6 by weight on at least one surface of said base layer.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
TOYOBO CO., LTD.OSAKA, JP187

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Isaka, Tsutomu Inuyama, JP 30 789
Kumada, Saburoh Kawanishi, JP 1 32

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (1)
* 2007/0036,993 Films and methods of forming films having polyorganosiloxane enriched surface layers 0 2006
 
APPLIED EXTRUSION TECHNOLOGIES, INC. (5)
* 5425996 Biaxially oriented polypropylene metallized white film 18 1994
* 5489473 Biaxially and monoaxially oriented polypropylene cold seal release film 21 1994
* 5482780 Polypropylene film with cold seal release and cold seal receptive surfaces 63 1994
* 5798174 Biaxially and monoaxially oriented polypropylene cold seal release film 12 1996
* 5792549 Biaxially oriented polypropylene cold seal release films 48 1996
 
CHISSO CORPORATION (2)
* 5068155 Opaque, laminated and stretched products, and method for making them 7 1990
* 5180626 Opaque and pearlescent, laminated and stretched products, and method for making them 4 1990
 
Mobil Oil Corporation (3)
* 4961992 Laminated packaging film 30 1989
* 5057177 Laminated packaging film 21 1990
6329048 Multi-layer barrier film 1 1994
 
The Procter & Gamble Company (2)
* 5520875 Process for producing a surfactant treated, formed, polymeric web 27 1995
* 2009/0157,033 INDIVIDUALLY PACKAGED DISPOSABLE ABSORBENT ARTICLE 1 2007
 
BBA NONWOVENS SIMPSONVILLE (1)
6849324 Undirectionally cold stretched nonwoven webs of multipolymer fibers for stretch fabrics and disposable absorbent articles containing them 35 2001
 
TAGHLEEF INDUSTRIES INC. (1)
* 5443915 Biaxially oriented polypropylene metallized white film for cold seal applications 39 1994
 
BP CHEMICALS LIMITED (1)
* 4680330 Stretchable cling film composition based on polyethylene 21 1985
 
Japan Polychem Corporation (1)
6624253 Propylene type resin composition, film made thereof, and laminated resin film 9 2001
 
WOLFF WALSRODE AG (3)
* 4400428 Sealable multilayer films 33 1982
* 4692386 Sealable multilayer polyolefin films 28 1986
* 4666772 Opaque, heat sealable multilayer polyolefin films 38 1986
 
ZESTRON GMBH & CO. KG (1)
* 5626813 Process for the production of a transparent polyolefin multilayer film 1 1995
 
SUMITOMO CHEMICAL COMPANY, LIMITED (1)
* 4584239 Stretched multilayer polypropylene film 1 1985
 
THE DOW CHEMICAL COMPANY (1)
RE37248 Coextruded plastic film label for in-mold labeling 6 1994
 
Hoechst Aktiengesellschaft (8)
* 4502263 Sealable polyolefinic multilayer film 42 1983
* 4595625 Sealable multilayer film for packaging purposes 22 1984
* 4720420 Sealable, transparent polyolefinic multilayer film 45 1985
* 4652489 Sealable, opaque polyolefinic multilayer film and process therefor 60 1985
* 4786533 Transparent polypropylene film for candy twist wrapping 46 1986
* 4734318 Multilayer packaging film having superior scratch resistance 7 1986
* 5302427 Printable, biaxially oriented polyolefin multilayer film 20 1991
* 5436041 Transparent polyolefin multilayer film having a low sealing temperature on one side, process for its production and its use 14 1993
 
BAXTER INTERNATIONAL INC. (1)
6528173 Coextruded multilayer films for sterilizable fluid containers 2 1998
 
Hoechst Trespaphan GmbH (1)
* 5246659 Method of producing polyproplene films 7 1991
 
KIMBERLY-CLARK WORLDWIDE, INC. (3)
7326751 Method of thermally processing elastomeric compositions and elastomeric compositions with improved processability 3 2003
* 2005/0119,410 Method of thermally processing elastomeric compositions and elastomeric compositions with improved processability 0 2003
* 2005/0118,435 Films and methods of forming films having polyorganosiloxane enriched surface layers 151 2003
* Cited By Examiner