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name:-0.041932106018066
name:-0.032778978347778
name:-0.00043201446533203
Tonen Chemical Corporation Patent Filings

Tonen Chemical Corporation

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tonen Chemical Corporation.The latest application filed is for "multi-layer, microporous polyolefin membrane, its production method, battery separator and battery".

Company Profile
0.32.36
  • Tonen Chemical Corporation - Tokyo JP
  • Tonen Chemical Corporation - Minato-ku, Tokyo JP
  • Tonen Chemical Corporation - Minato-ku Tokyo JP
  • Tonen Chemical Corporation -
  • Tonen Chemical Corp. - Tokyo JP
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Microporous polyolefin membrane, its production method, battery separator, and battery
Grant 8,026,005 - Takita , et al. September 27, 2
2011-09-27
Polymeric material and its manufacture and use
Grant 7,872,086 - Brant , et al. January 18, 2
2011-01-18
Multi-layer, Microporous Polyolefin Membrane, Its Production Method, Battery Separator And Battery
App 20100295511 - Kikuchi; Shintaro ;   et al.
2010-11-25
Method For Removing Diluent From A Polymer Extrudate, And Its Applications
App 20100289174 - Kimishima; Kotaro ;   et al.
2010-11-18
Method For Removing Diluent From An Extrudate Of A Polymer Solution
App 20100273032 - Kimishima; Kotaro ;   et al.
2010-10-28
Microporous polyolefin membrane, and method of producing the same
Grant 7,815,825 - Funaoka , et al. October 19, 2
2010-10-19
Multi-layer, microporous membrane, battery separator and battery
Grant 7,807,287 - Kono , et al. October 5, 2
2010-10-05
Microporous composite membrane and its producing method and use
Grant 7,785,735 - Kaimai , et al. August 31, 2
2010-08-31
Microporous composite membrane and its production method and use
Grant 7,781,094 - Yamada , et al. August 24, 2
2010-08-24
Microporous Polyolefin Membrane, Its Production Method, Battery Separator And Battery
App 20100209745 - Kimishima; Kotaro
2010-08-19
Microporous Polyethylene Membrane, Its Production Method And Battery Separator
App 20100151310 - Takita; Kotaro ;   et al.
2010-06-17
Microporous polyolefin membrane, its production method, and battery separator
Grant 7,700,182 - Ozaki , et al. April 20, 2
2010-04-20
Multi-layer, Microporous Polyolefin Membrane, Its Production Method, Battery Separator, And Battery
App 20100021808 - Takita; Kotaro ;   et al.
2010-01-28
Polyolefin Composition, Its Production Method, And A Battery Separator Made Therefrom
App 20100003591 - Takita; Kotaro ;   et al.
2010-01-07
Microporous Polyolefin Membrane, Its Production Method, Battery Separator, And Battery
App 20090286161 - Takita; Kotaro ;   et al.
2009-11-19
Production Method Of Microporous Polyethylene Membrane And Battery Separator
App 20090269672 - Takita; Kotaro ;   et al.
2009-10-29
Microporous Polyethylene Membrane, Its Production Method, And Battery Separator
App 20090269656 - Takita; Kotaro ;   et al.
2009-10-29
Multi-layer, Microporous Polyolefin Membrane, Its Production Method, Battery Separator, And Battery
App 20090253032 - Takita; Kotaro ;   et al.
2009-10-08
Hydrophilic, Composite, Microporous Membrane And Its Production Method
App 20090234032 - Kimishima; Kotaro
2009-09-17
Microporous Polyolefin Membrane, Battery Separator Formed Thereby And Battery
App 20090170005 - Kimishima; Kotaro ;   et al.
2009-07-02
Method For Producing Microporous Polyolefin Membrane And Microporous Membrane
App 20090146334 - Takita; Kotaro ;   et al.
2009-06-11
Multi-layer, Microporous Polyethylene Membrane, Battery Separator Formed Thereby And Battery
App 20090148761 - Kikuchi; Shintaro ;   et al.
2009-06-11
Method For Producing Multi-layer, Microporous Polyolefin Membrane
App 20090134538 - Takita; Kotaro ;   et al.
2009-05-28
Method For Producing Microporous Thermoplastic Resin Membrane
App 20090127733 - Takita; Kotaro ;   et al.
2009-05-21
Multi-layer, Microporous Polyethylene Membrane, Its Production Method, And Battery Separator
App 20090117455 - Takita; Kotaro ;   et al.
2009-05-07
Multi-layer, Microporous Polyethylene Membrane, And Battery Separator And Battery Using Same
App 20090117453 - Kikuchi; Shintaro ;   et al.
2009-05-07
Microporous Polyolefin Membrane And Method For Producing The Same
App 20090098341 - Takita; Kotaro ;   et al.
2009-04-16
Microporous polyolefin membrane, and method of producing the same
App 20090098449 - Funaoka; Hidehiko ;   et al.
2009-04-16
Multi-layer, Microporous Polyolefin Membrane, Its Production Method, And Battery Separator
App 20090098450 - Kikuchi; Shintaro ;   et al.
2009-04-16
Microporous Polymer Membrane
App 20090092893 - Takita; Kotaro ;   et al.
2009-04-09
Microporous Polyolefin Membrane And Manufacturing Method
App 20090087749 - Takita; Kotaro ;   et al.
2009-04-02
Microporous Membrane And Manufacturing Method
App 20090087750 - Takita; Kotaro ;   et al.
2009-04-02
Method For Producing Microporous Polyolefin Membrane
App 20090079102 - Takita; Kotaro ;   et al.
2009-03-26
Microporous Polyolefin Membrane, Its Production Method, Battery Separator And Battery
App 20090042008 - Kimishima; Kotaro ;   et al.
2009-02-12
Microporous polyolefin membrane, and method of producing the same
Grant 7,479,243 - Funaoka , et al. January 20, 2
2009-01-20
Method For Producing Microporous Polyolefin Membrane And Microporous Membrane
App 20090008816 - Takita; Kotaro ;   et al.
2009-01-08
Microporous Polyolefin Membrane, Its Production Method And Battery Separator
App 20070264578 - Ozaki; Hiroyuki ;   et al.
2007-11-15
Microporous Polyolefin Membrane, Its Production Method, And Battery Separator
App 20070264483 - Ozaki; Hiroyuki ;   et al.
2007-11-15
Microporous composite membrane and its production method and use
App 20070072069 - Yamada; Kazuhiro ;   et al.
2007-03-29
Emulsion composition of modified polypropylene
App 20070004847 - Ozaki; Hiroyuki ;   et al.
2007-01-04
Method for producing modified polyolefin solution
App 20060281859 - Suzuki; Sadakatsu ;   et al.
2006-12-14
Copolymer of propylene with a conjugated diene and a process of preparing the same
Grant 7,105,608 - Ishihara , et al. September 12, 2
2006-09-12
Copolymer of propylene with a conjugated diene and a process of preparing the same
App 20050154139 - Ishihara, Takeshi ;   et al.
2005-07-14
Microporous polyolefin membrane, and method of producing the same
App 20050098913 - Funaoka, Hidehiko ;   et al.
2005-05-12
Modified polypropylene and process for producing same
Grant 6,887,944 - Wakabayashi , et al. May 3, 2
2005-05-03
Method of producing a microporous polyolefin membrane
App 20050058823 - Funaoka, Hidehiko ;   et al.
2005-03-17
Microporous polyolefin film and process for producing the same
Grant 6,824,865 - Funaoka , et al. November 30, 2
2004-11-30
Vanadium phosphorous mixed oxide
Grant 6,762,146 - Kamiya , et al. July 13, 2
2004-07-13
Microporous polyolefin film and process for producing the same
Grant 6,666,969 - Funaoka , et al. December 23, 2
2003-12-23
Polyolefin microporous film and method for preparing the same
Grant 6,566,012 - Takita , et al. May 20, 2
2003-05-20
Polyolefin microporous film and method for preparing the same
Grant 6,245,272 - Takita , et al. June 12, 2
2001-06-12
Method of producing highly permeable microporous polyolefin membrane
Grant 6,153,133 - Kaimai , et al. November 28, 2
2000-11-28
Polyarylene sulfide and a composition thereof
Grant 5,945,490 - Tsuda , et al. August 31, 1
1999-08-31
Method of producing microporous thermoplastic resin membrane
Grant 5,853,633 - Kono , et al. December 29, 1
1998-12-29
Process for the regeneration of a catalyst
Grant 5,854,161 - Ichiki , et al. December 29, 1
1998-12-29
Polyarylene sulfide, a process for the preparation thereof and a composition comprising the same
Grant 5,789,533 - Yamanaka , et al. August 4, 1
1998-08-04
Method of maufacturing a tubular extrusion molding product comprising a high molecular weight polyarylene sulfide
Grant 5,777,069 - Tsuda , et al. July 7, 1
1998-07-07
Method of manufacturing polyolefin solutions
Grant 5,741,848 - Nogata , et al. April 21, 1
1998-04-21
Method of producing non-woven fabrics for use in filters
Grant 5,637,271 - Suzuki , et al. June 10, 1
1997-06-10
Polypropylene resin composition
Grant 5,621,046 - Iwanami , et al. April 15, 1
1997-04-15
Laminated non-woven fabric filtering medium and method for producing same
Grant 5,609,947 - Kamei , et al. March 11, 1
1997-03-11
Artificial snow in an aggregate form of snow granules
Grant 5,556,671 - Miura , et al. * September 17, 1
1996-09-17
Artificial snow in an aggregate form of snow granules
Grant 5,436,039 - Miura , et al. * July 25, 1
1995-07-25
Multi-layer plastic fuel tank
Grant 5,384,172 - Takado , et al. January 24, 1
1995-01-24
Process for the preparation of polyarylene sulfide and an apparatus for the preparation thereof
Grant 5,342,920 - Imai , et al. August 30, 1
1994-08-30
Artificial snow granule
Grant 5,266,367 - Miura , et al. * November 30, 1
1993-11-30
Polyethylene label and method of preparation thereof
Grant 5,227,233 - Itaba , et al. July 13, 1
1993-07-13
.alpha.-olefin polymerization catalyst component
Grant 5,177,043 - Koyama , et al. January 5, 1
1993-01-05

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