Keunsuk P. CHANG

Person

North Kingstown, RI, US

People

Patents Grantslast 30 patents

Information Patent Grant
Oriented polypropylene film with improved blocking resistance
- Patent number 11,370,204
- Issue date Jun 28, 2022
- Toray Plastics (America), Inc.
- Shichen Dou
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Oriented polypropylene film with improved blocking resistance
- Patent number 11,370,205
- Issue date Jun 28, 2022
- Toray Plastics (America), Inc.
- Shichen Dou
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Oriented polypropylene film with improved blocking resistance
- Patent number 11,338,561
- Issue date May 24, 2022
- Toray Plastics (America), Inc.
- Shichen Dou
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Oriented polypropylene film with improved blocking resistance
- Patent number 11,198,279
- Issue date Dec 14, 2021
- Toray Plastics (America), Inc.
- Shichen Dou
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Polyester film incorporating silicone for release of canned meat pr...
- Patent number 11,027,523
- Issue date Jun 8, 2021
- Toray Plastics (America), Inc.
- Jan Moritz
- B32 - LAYERED PRODUCTS
Information Patent Grant
Easy opening metalized hermetic films and methods to manufacture th...
- Patent number 10,543,667
- Issue date Jan 28, 2020
- Toray Plastics (America), Inc.
- Adam Hanks
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Grant
Transparent oriented polypropylene film with high moisture vapor an...
- Patent number 10,357,913
- Issue date Jul 23, 2019
- Toray Plastics (America), Inc.
- Shichen Dou
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Biaxially oriented bio-based polyester films and laminates
- Patent number 10,137,625
- Issue date Nov 27, 2018
- Toray Plastics (America), Inc.
- Stefanos L. Sakellarides
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Biaxially oriented matte polypropylene film
- Patent number 9,745,455
- Issue date Aug 29, 2017
- Toray Plastics (America), Inc.
- Claudio M. Paulino
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Biaxially oriented polypropylene film with low moisture vapor trans...
- Patent number 9,669,607
- Issue date Jun 6, 2017
- Toray Plastics (America), Inc.
- Shichen Dou
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Biaxially oriented polypropylene film with low moisture vapor trans...
- Patent number 9,630,383
- Issue date Apr 25, 2017
- Toray Plastics (America), Inc.
- Shichen Dou
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Biaxially oriented polylactic acid film with reduced noise level an...
- Patent number 9,492,962
- Issue date Nov 15, 2016
- Toray Plastics (America), Inc.
- Shichen Dou
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Biaxially oriented polylactic acid film with high barrier
- Patent number 9,314,999
- Issue date Apr 19, 2016
- Toray Plastics (America), Inc.
- Joshua R. Cloutier
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Biaxially oriented polylactic acid film with reduced noise level
- Patent number 9,238,324
- Issue date Jan 19, 2016
- TORAY PLASTICS (AMERCIA), INC.
- Shichen Dou
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Multi-layer high moisture barrier polylactic acid film
- Patent number 9,221,213
- Issue date Dec 29, 2015
- Toray Plastics (America), Inc.
- Shichen Dou
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Biaxially oriented polylactic acid film with improved heat seal pro...
- Patent number 9,150,004
- Issue date Oct 6, 2015
- Toray Plastics (America), Inc.
- Shichen Dou
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method to produce matte and opaque biaxially oriented polylactic ac...
- Patent number 8,916,080
- Issue date Dec 23, 2014
- Toray Plastics (America), Inc.
- Mark S. Lee
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method to produce matte and opaque biaxially oriented polylactic ac...
- Patent number 8,911,870
- Issue date Dec 16, 2014
- Toray Plastics (America), Inc.
- Mark S. Lee
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
High oxygen transmission biaxially oriented film with improved tens...
- Patent number 8,835,015
- Issue date Sep 16, 2014
- Toray Plastics (America), Inc.
- Tien-Kuei Su
- B32 - LAYERED PRODUCTS
Information Patent Grant
Biaxially oriented metallized polylactic acid film with high metal...
- Patent number 8,652,626
- Issue date Feb 18, 2014
- Toray Plastics (America), Inc.
- Mark S. Lee
- B32 - LAYERED PRODUCTS
Information Patent Grant
Biodegradable composite barrier film
- Patent number 8,574,695
- Issue date Nov 5, 2013
- Toray Plastics (America), Inc.
- Mark Lee
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method of making biaxially oriented polyolefin film for cold seal a...
- Patent number 7,988,894
- Issue date Aug 2, 2011
- Toray Plastics (America), Inc.
- Mark S. Lee
- B32 - LAYERED PRODUCTS
Information Patent Grant
Biaxially oriented polylactic acid film with high barrier
- Patent number 7,951,438
- Issue date May 31, 2011
- Toray Plastics (America), Inc.
- Mark S. Lee
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for producing a sealable biaxially oriented polypropylene fi...
- Patent number 7,722,794
- Issue date May 25, 2010
- Toray Plastics (America), Inc.
- Keunsuk P. Chang
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Multi-layer barrier film structure
- Patent number 7,163,727
- Issue date Jan 16, 2007
- Toray Plastics (America), Inc.
- Tien-Kuei Su
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
High oxygen transmission biaxially oriented polypropylene film
- Patent number 7,078,463
- Issue date Jul 18, 2006
- Toray Plastics (America), Inc.
- Tien-Kuei Su
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Biaxially oriented polypropylene metallized film for packaging
- Patent number 6,916,526
- Issue date Jul 12, 2005
- Toray Plastics (America), Inc.
- Keunsuk P. Chang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Biaxially oriented polypropylene slip film for packaging with stabl...
- Patent number 6,902,822
- Issue date Jun 7, 2005
- Toray Plastics (America), Inc.
- Keunsuk P. Chang
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Polyolefin oil resistant film using high isotactic content polyprop...
- Patent number 6,844,078
- Issue date Jan 18, 2005
- Toray Plastics (America) Inc.
- Tien-Kuei Su
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Biaxially oriented polypropylene metallized film for packaging
- Patent number 6,790,524
- Issue date Sep 14, 2004
- Toray Plastics (America), Inc.
- Keunsuk P. Chang
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
ORIENTED POLYPROPYLENE FILM WITH IMPROVED BLOCKING RESISTANCE
- Publication number 20200215803
- Publication date Jul 9, 2020
- Toray Plastics (America), Inc.
- Shichen DOU
- B32 - LAYERED PRODUCTS
Information Patent Application
ORIENTED POLYPROPYLENE FILM WITH IMPROVED BLOCKING RESISTANCE
- Publication number 20200122443
- Publication date Apr 23, 2020
- Toray Plastics (America), Inc.
- Shichen DOU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ORIENTED POLYPROPYLENE FILM WITH IMPROVED MACHINABILITY
- Publication number 20200070484
- Publication date Mar 5, 2020
- Toray Plastics (America), Inc.
- Shichen DOU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ORIENTED POLYPROPYLENE FILM WITH IMPROVED BLOCKING RESISTANCE
- Publication number 20190299579
- Publication date Oct 3, 2019
- Toray Plastics (America), Inc.
- Shichen DOU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ORIENTED POLYPROPYLENE FILM WITH IMPROVED BLOCKING RESISTANCE
- Publication number 20190299580
- Publication date Oct 3, 2019
- Toray Plastics (America), Inc.
- Shichen DOU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
ORIENTED POLYPROPYLENE FILM WITH IMPROVED BLOCKING RESISTANCE
- Publication number 20190299578
- Publication date Oct 3, 2019
- Toray Plastics (America), Inc.
- Shichen DOU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
EASY OPENING METALIZED HERMETIC FILMS AND METHODS TO MANUFACTURE TH...
- Publication number 20180186136
- Publication date Jul 5, 2018
- Toray Plastics (America), Inc.
- Adam Hanks
- B32 - LAYERED PRODUCTS
Information Patent Application
TRANSPARENT ORIENTED POLYPROPYLENE FILM WITH HIGH MOISTURE VAPOR AN...
- Publication number 20180162035
- Publication date Jun 14, 2018
- TORAY PLASTICS (AMERICA), INC.
- Shichen DOU
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYESTER FILM INCORPORATING SILICONE FOR RELEASE OF CANNED MEAT PR...
- Publication number 20170326842
- Publication date Nov 16, 2017
- Toray Plastics (America), Inc.
- Jan MORITZ
- B32 - LAYERED PRODUCTS
Information Patent Application
BIAXIALLY ORIENTED POLYOLEFIN FILM WITH HIGH MOISTURE VAPOR BARRIER...
- Publication number 20170282507
- Publication date Oct 5, 2017
- TORAY PLASTICS (AMERICA), INC.
- Shichen DOU
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYESTER FILM INCORPORATING SILICONE FOR RELEASE OF CANNED MEAT PR...
- Publication number 20170152356
- Publication date Jun 1, 2017
- Toray Plastics (America), Inc.
- Jan MORITZ
- B32 - LAYERED PRODUCTS
Information Patent Application
SILICONE COATED POLYESTER FILM FOR RELEASE OF CANNED MEAT PRODUCTS
- Publication number 20170152075
- Publication date Jun 1, 2017
- Toray Plastics (America), Inc.
- Jan MORITZ
- B32 - LAYERED PRODUCTS
Information Patent Application
TRANSPARENT ORIENTED POLYPROPYLENE FILM WITH HIGH MOISTURE VAPOR AN...
- Publication number 20170015821
- Publication date Jan 19, 2017
- TORAY PLASTICS (AMERICA), INC.
- Shichen DOU
- B32 - LAYERED PRODUCTS
Information Patent Application
BIAXIALLY ORIENTED POLYPROPYLENE FILM WITH LOW MOISTURE VAPOR TRANS...
- Publication number 20160207293
- Publication date Jul 21, 2016
- Toray Plastics (America), Inc.
- Shichen DOU
- B32 - LAYERED PRODUCTS
Information Patent Application
METHOD TO IMPROVE MAKING OF HEAT SEALABLE BIAXIALLY ORIENTED FILMS
- Publication number 20160167347
- Publication date Jun 16, 2016
- TORAY PLASTICS (AMERICA), INC.
- Chang-Yeol JUNG
- B32 - LAYERED PRODUCTS
Information Patent Application
BIAXIALLY ORIENTED POLYPROPYLENE FILM WITH LOW MOISTURE VAPOR TRANS...
- Publication number 20150336359
- Publication date Nov 26, 2015
- Toray Plastics (America), Inc.
- Shichen DOU
- B32 - LAYERED PRODUCTS
Information Patent Application
BIAXIALLY ORIENTED MATTE POLYPROPYLENE FILM
- Publication number 20150037556
- Publication date Feb 5, 2015
- Toray Plastics (America), Inc.
- Claudio M. PAULINO
- B32 - LAYERED PRODUCTS
Information Patent Application
BIAXIALLY ORIENTED BIO-BASED POLYOLEFIN FILM THAT HAS BEEN EXTRUSIO...
- Publication number 20140065398
- Publication date Mar 6, 2014
- TORAY PLASTICS (AMERICA), INC.
- Roberto SIU
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
BIAXIALLY ORIENTED BIO-BASED POLYOLEFIN FILM THAT HAS BEEN EXTRUSIO...
- Publication number 20140065315
- Publication date Mar 6, 2014
- TORAY PLASTICS (AMERICA), INC.
- Roberto SIU
- B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information Patent Application
BIODEGRADABLE COMPOSITE BARRIER FILM
- Publication number 20140017489
- Publication date Jan 16, 2014
- Toray Plastics (America) Inc.
- Mark Lee
- B32 - LAYERED PRODUCTS
Information Patent Application
LIGHTER THAN AIR BALLOONS FROM LAMINATES COMPRISING BIO-BASED POLYE...
- Publication number 20140004286
- Publication date Jan 2, 2014
- TORAY PLASTICS (AMERICA), INC.
- Stefanos L. SAKELLARIDES
- B32 - LAYERED PRODUCTS
Information Patent Application
BIAXIALLY ORIENTED BIO-BASED POLYESTER WINDOW FILMS AND LAMINATES
- Publication number 20130344345
- Publication date Dec 26, 2013
- TORAY PLASTICS (AMERICA), INC.
- Stefanos L. SAKELLARIDES
- B32 - LAYERED PRODUCTS
Information Patent Application
BIAXIALLY ORIENTED BIO-BASED POLYESTER FILMS AND LAMINATES
- Publication number 20130011631
- Publication date Jan 10, 2013
- Toray Plastics (America), Inc.
- Stefanos L. SAKELLARIDES
- B32 - LAYERED PRODUCTS
Information Patent Application
HEAT SEALABLE MONOAXIALLY ORIENTED PROPYLENE-BASED FILM WITH DIRECT...
- Publication number 20120251749
- Publication date Oct 4, 2012
- TORAY PLASTICS (AMERICA), INC.
- MARK S. LEE
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD TO PRODUCE MATTE AND OPAQUE BIAXIALLY ORIENTED POLYLACTIC AC...
- Publication number 20120128973
- Publication date May 24, 2012
- TORAY PLASTICS (AMERICA), INC.
- Mark S. LEE
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
BIAXIALLY ORIENTED BIO-BASED POLYOLEFIN FILMS AND LAMINATES
- Publication number 20110274892
- Publication date Nov 10, 2011
- TORAY PLASTICS (AMERICA), INC.
- Keunsuk P. Chang
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
BIAXIALLY ORIENTED POLYLACTIC ACID FILM WITH REDUCED NOISE LEVEL AN...
- Publication number 20110244186
- Publication date Oct 6, 2011
- TORAY PLASTICS (AMERICA), INC.
- Shichen DOU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
BIAXIALLY ORIENTED POLYLACTIC ACID FILM WITH REDUCED NOISE LEVEL
- Publication number 20110244185
- Publication date Oct 6, 2011
- TORAY PLASTICS (AMERICA), INC.
- Shichen DOU
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
MULTI-LAYER HIGH MOISTURE BARRIER POLYLACTIC ACID FILM
- Publication number 20110171489
- Publication date Jul 14, 2011
- TORAY PLASTICS (AMERICA), INC.
- Shichen Dou
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
BIODEGRADABLE COMPOSITE BARRIER FILM
- Publication number 20110081543
- Publication date Apr 7, 2011
- Toray Plastics (America) Inc.
- Mark Lee
- B32 - LAYERED PRODUCTS

Keunsuk P. CHANG

Person

Patents Grantslast 30 patents

Oriented polypropylene film with improved blocking resistance

Oriented polypropylene film with improved blocking resistance

Oriented polypropylene film with improved blocking resistance

Oriented polypropylene film with improved blocking resistance

Polyester film incorporating silicone for release of canned meat pr...

Easy opening metalized hermetic films and methods to manufacture th...

Transparent oriented polypropylene film with high moisture vapor an...

Biaxially oriented bio-based polyester films and laminates

Biaxially oriented matte polypropylene film

Biaxially oriented polypropylene film with low moisture vapor trans...

Biaxially oriented polypropylene film with low moisture vapor trans...

Biaxially oriented polylactic acid film with reduced noise level an...

Biaxially oriented polylactic acid film with high barrier

Biaxially oriented polylactic acid film with reduced noise level

Multi-layer high moisture barrier polylactic acid film

Biaxially oriented polylactic acid film with improved heat seal pro...

Method to produce matte and opaque biaxially oriented polylactic ac...

Method to produce matte and opaque biaxially oriented polylactic ac...

High oxygen transmission biaxially oriented film with improved tens...

Biaxially oriented metallized polylactic acid film with high metal...

Biodegradable composite barrier film

Method of making biaxially oriented polyolefin film for cold seal a...

Biaxially oriented polylactic acid film with high barrier

Method for producing a sealable biaxially oriented polypropylene fi...

Multi-layer barrier film structure

High oxygen transmission biaxially oriented polypropylene film

Biaxially oriented polypropylene metallized film for packaging

Biaxially oriented polypropylene slip film for packaging with stabl...

Polyolefin oil resistant film using high isotactic content polyprop...

Biaxially oriented polypropylene metallized film for packaging

Patents Applicationslast 30 patents

ORIENTED POLYPROPYLENE FILM WITH IMPROVED BLOCKING RESISTANCE

ORIENTED POLYPROPYLENE FILM WITH IMPROVED BLOCKING RESISTANCE

ORIENTED POLYPROPYLENE FILM WITH IMPROVED MACHINABILITY

ORIENTED POLYPROPYLENE FILM WITH IMPROVED BLOCKING RESISTANCE

ORIENTED POLYPROPYLENE FILM WITH IMPROVED BLOCKING RESISTANCE

ORIENTED POLYPROPYLENE FILM WITH IMPROVED BLOCKING RESISTANCE

EASY OPENING METALIZED HERMETIC FILMS AND METHODS TO MANUFACTURE TH...

TRANSPARENT ORIENTED POLYPROPYLENE FILM WITH HIGH MOISTURE VAPOR AN...

POLYESTER FILM INCORPORATING SILICONE FOR RELEASE OF CANNED MEAT PR...

BIAXIALLY ORIENTED POLYOLEFIN FILM WITH HIGH MOISTURE VAPOR BARRIER...

POLYESTER FILM INCORPORATING SILICONE FOR RELEASE OF CANNED MEAT PR...

SILICONE COATED POLYESTER FILM FOR RELEASE OF CANNED MEAT PRODUCTS

TRANSPARENT ORIENTED POLYPROPYLENE FILM WITH HIGH MOISTURE VAPOR AN...

BIAXIALLY ORIENTED POLYPROPYLENE FILM WITH LOW MOISTURE VAPOR TRANS...

METHOD TO IMPROVE MAKING OF HEAT SEALABLE BIAXIALLY ORIENTED FILMS

BIAXIALLY ORIENTED POLYPROPYLENE FILM WITH LOW MOISTURE VAPOR TRANS...

BIAXIALLY ORIENTED MATTE POLYPROPYLENE FILM

BIAXIALLY ORIENTED BIO-BASED POLYOLEFIN FILM THAT HAS BEEN EXTRUSIO...

BIAXIALLY ORIENTED BIO-BASED POLYOLEFIN FILM THAT HAS BEEN EXTRUSIO...

BIODEGRADABLE COMPOSITE BARRIER FILM

LIGHTER THAN AIR BALLOONS FROM LAMINATES COMPRISING BIO-BASED POLYE...

BIAXIALLY ORIENTED BIO-BASED POLYESTER WINDOW FILMS AND LAMINATES

BIAXIALLY ORIENTED BIO-BASED POLYESTER FILMS AND LAMINATES

HEAT SEALABLE MONOAXIALLY ORIENTED PROPYLENE-BASED FILM WITH DIRECT...

METHOD TO PRODUCE MATTE AND OPAQUE BIAXIALLY ORIENTED POLYLACTIC AC...

BIAXIALLY ORIENTED BIO-BASED POLYOLEFIN FILMS AND LAMINATES

BIAXIALLY ORIENTED POLYLACTIC ACID FILM WITH REDUCED NOISE LEVEL AN...

BIAXIALLY ORIENTED POLYLACTIC ACID FILM WITH REDUCED NOISE LEVEL

MULTI-LAYER HIGH MOISTURE BARRIER POLYLACTIC ACID FILM

BIODEGRADABLE COMPOSITE BARRIER FILM