Patents by Inventor Goki Uehara
Goki Uehara has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 8158226Abstract: Provided is a paper container having a window and being formed of a laminate that includes at least a paper layer and a gas barrier laminate, the paper layer having a cutout part for the window, the cutout part being covered with the gas barrier laminate, and the gas barrier laminate including a substrate and a gas barrier layer laminated on at least one surface of the substrate, wherein the gas barrier layer is formed of a composition containing a polymer having at least one functional group selected from a carboxyl group and a carboxylic anhydride group, and wherein —COO— groups contained in the at least one functional group are neutralized at least partly with a metal ion having a valence of two or more.Type: GrantFiled: March 24, 2006Date of Patent: April 17, 2012Assignee: Kuraray Co., Ltd.Inventors: Tatsuya Oshita, Goki Uehara, Manabu Shibata
-
Patent number: 8039071Abstract: Provided is a gas barrier layered product including a base material and a layer stacked on at least one surface of the base material, wherein the layer is formed of a composition including: a hydrolyzed and condensed product of at least one compound (L) containing a metal atom to which at least one characteristic group selected from a halogen atom and an alkoxy group has been bonded, wherein the compound (L) contains at least one compound (A) and at least one compound (B), wherein a mole ratio of the compound (A) / the compound (B) is in a range of 0.5/99.5 to 40/60; and a neutralized product of a polymer containing at least one functional group selected from a carboxyl group and a carboxylic anhydride group, wherein at least 55 mol % of a —COO— group contained in the at least one functional group has been neutralized with a metal ion having a valence of two or more. Also provided is a method for producing the gas barrier layered product.Type: GrantFiled: April 27, 2010Date of Patent: October 18, 2011Assignee: Kuraray Co., Ltd.Inventors: Tatsuya Oshita, Goki Uehara, Atsuhiro Nakahara, Osamu Kazeto, Manabu Shibata, Takehiro Miyamoto
-
Patent number: 7799396Abstract: A gas barrier layered product including a base material and a layer stacked on a surface of the base material, wherein the layer is formed of a composition including: a hydrolyzed and condensed product of a compound (L) containing a metal atom to which a group selected from a halogen atom and an alkoxy group is bonded, and a compound (A) in which an organic group selected from a halogen atom, a mercapto group and a hydroxyl group is further bonded to the metal atom; a neutralized product of a polymer containing a functional group selected from a carboxyl group and a carboxylic anhydride group, wherein at least 40 mol % of a —COO— group contained in the functional group has been neutralized with a metal ion having a valence of two or more; and a compound (D) bonded to both the —COO— group and a group on the surface of the hydrolyzed and condensed product of the compound (L). A method for producing the gas barrier layered product.Type: GrantFiled: May 29, 2006Date of Patent: September 21, 2010Assignee: Kuraray Co., Ltd.Inventors: Goki Uehara, Manabu Shibata, Tatsuya Oshita
-
Publication number: 20100209639Abstract: A gas barrier layered product and a method for producing the same are provided. The gas barrier layered product exhibits a high oxygen barrier property regardless of humidity, exhibits a high oxygen barrier property even after being subjected to retort processing, and is excellent in strength and transparency. In order to provide the gas barrier layered product, the gas barrier layered product includes a base material and a layer stacked on at least one surface of the base material. The layer is formed of a composition that includes: a hydrolyzed and condensed product of at least one compound (L) containing a metal atom to which at least one characteristic group selected from a halogen atom and an alkoxy group has been bonded; and a neutralized product of a polymer containing at least one functional group selected from a carboxyl group and a carboxylic anhydride group.Type: ApplicationFiled: April 27, 2010Publication date: August 19, 2010Applicant: KURARAY CO. LTD.Inventors: Tatsuya OSHITA, Goki UEHARA, Atsuhiro NAKAHARA, Osamu KAZETO, Manabu SHIBATA, Takehiro MIYAMOTO
-
Patent number: 7763335Abstract: Provided is a gas barrier layered product including a base material and a layer stacked on at least one surface of the base material, wherein the layer is formed of a composition including: a hydrolyzed and condensed product of at least one compound (L) containing a metal atom to which at least one characteristic group selected from a halogen atom and an alkoxy group has been bonded, wherein the compound (L) contains at least one compound (A) and at least one compound (B), wherein a mole ratio of the compound (A)/the compound (B) is in a range of 0.5/99.5 to 40/60; and a neutralized product of a polymer containing at least one functional group selected from a carboxyl group and a carboxylic anhydride group, wherein at least 55 mol % of a —COO— group contained in the at least one functional group has been neutralized with a metal ion having a valence of two or more. Also provided is a method for producing the gas barrier layered product.Type: GrantFiled: December 1, 2004Date of Patent: July 27, 2010Assignee: Kuraray Co., Ltd.Inventors: Tatsuya Oshita, Goki Uehara, Atsuhiro Nakahara, Osamu Kazeto, Manabu Shibata, Takehiro Miyamoto
-
Publication number: 20090297741Abstract: A paper container is provided that allows the content to be checked, prevents the content from deteriorating for a long period of time, and is excellent in, for example, storage and preservation properties. Furthermore, a paper container is provided that can be subjected to a retort sterilization process, prevents the content from deteriorating for a long period of time, and is excellent in, for example, storage and preservation properties. A paper container formed of a laminate including at least a paper layer is provided. The paper layer has a cutout part that is covered with a gas barrier laminate.Type: ApplicationFiled: March 24, 2006Publication date: December 3, 2009Applicant: Kuraray Co., Ltd.Inventors: Tatsuya Oshita, Goki Uehara, Manabu Shibata
-
Publication number: 20090030126Abstract: The present invention provides a gas barrier layered product exhibiting a high oxygen barrier property independent of humidity and having excellent transparency, and a method of manufacturing the same. The gas barrier layered product includes a base material and a layer stacked on the base material. The layer is formed of a composition includes: a hydrolyzed and condensed product of a compound (L) containing a metal atom to which at least one group selected from a halogen atom and an alkoxy group is bonded; a neutralized product of a polymer containing a functional group selected from a carboxyl group and a carboxylic anhydride group; and a compound (D). At least a part of a —COO— group contained in the at least one functional group is neutralized by a metal ion having a valence of two or more.Type: ApplicationFiled: May 29, 2006Publication date: January 29, 2009Applicant: Kuraray Co., Ltd.Inventors: Goki Uehara, Manabu Shibata, Tatsuya Oshita
-
Publication number: 20070111005Abstract: A gas barrier layered product and a method for producing the same are provided. The gas barrier layered product exhibits a high oxygen barrier property regardless of humidity, exhibits a high oxygen barrier property even after being subjected to retort processing, and is excellent in strength and transparency. In order to provide the gas barrier layered product, the gas barrier layered product includes a base material and a layer stacked on at least one surface of the base material. The layer is formed of a composition that includes: a hydrolyzed and condensed product of at least one compound (L) containing a metal atom to which at least one characteristic group selected from a halogen atom and an alkoxy group has been bonded; and a neutralized product of a polymer containing at least one functional group selected from a carboxyl group and a carboxylic anhydride group.Type: ApplicationFiled: December 1, 2004Publication date: May 17, 2007Applicant: KURARAY CO., LTD.Inventors: Tatsuya Oshita, Goki Uehara, Atsuhiro Nakahara, Osamu Kazeto, Manabu Shibata, Takehiro Miyamoto
-
Publication number: 20050047061Abstract: An activated carbon which is prepared from granular isotropic pitch.Type: ApplicationFiled: October 13, 2004Publication date: March 3, 2005Applicant: Kuraray Co., Ltd.Inventors: Nozomu Sugo, Hideharu Iwasaki, Goki Uehara
-
Patent number: 6596807Abstract: A vinyl alcohol polymer composition (II) is produced by a process of providing a reaction liquid comprising a solution containing a vinyl carboxylate polymer and, a first metal alkoxide (I) having at least one functional group and/or an oligomer (I) having at least one functional group obtained from said metal alkoxide (I); a step of simultaneously effecting (a) saponification of said vinyl carboxylate polymer and (b) reaction in which at least part of the functional groups of said metal alkoxide (I) and/or said oligomer (I) participates, thereby obtaining a vinyl alcohol polymer composition (I); and a step of preparing a solution (A) containing said vinyl alcohol polymer composition (I), followed by adding to the solution (A) a second metal alkoxide (II) and/or an oligomer (II) obtained from the metal alkoxide (II) or another solution (B) containing the metal alkoxide (II) and/or the oligomer (II) derived from the metal alkoxide (II), to prepare an intermediate product solution (C), and then removing the solType: GrantFiled: July 30, 2001Date of Patent: July 22, 2003Assignee: Kuraray Co., Ltd.Inventors: Tatsuya Oshita, Goki Uehara, Nobuhisa Senda, Yoshiki Takeda, Yukiatsu Komiya, Syuichi Kanao, Shigeki Takada, Naoki Kawakami, Kanenori Ito
-
Publication number: 20020055579Abstract: A vinyl alcohol polymer composition (II) is produced by a process of providing a reaction liquid comprising a solution containing a vinyl carboxylate polymer and, a first metal alkoxide (I) having at least one functional group and/or an oligomer (I) having at least one functional group obtained from said metal alkoxide (I); a step of simultaneously effecting (a) saponification of said vinyl carboxylate polymer and (b) reaction in which at least part of the functional groups of said metal alkoxide (I) and/or said oligomer (I) participates, thereby obtaining a vinyl alcohol polymer composition (I); and a step of preparing a solution (A) containing said vinyl alcohol polymer composition (I), followed by adding to the solution (A) a second metal alkoxide (II) and/or an oligomer (II) obtained from the metal alkoxide (II) or another solution (B) containing the metal alkoxide (II) and/or the oligomer (II) derived from the metal alkoxide (II), to prepare an intermediate product solution (C), and then removing the solType: ApplicationFiled: July 30, 2001Publication date: May 9, 2002Applicant: Kuraray Co., Ltd.Inventors: Tatsuya Oshita, Goki Uehara, Nobuhisa Senda, Yoshiki Takeda, Yukiatsu Komiya, Syuichi Kanao, Shigeki Takada, Naoki Kawakami, Kanenori Ito
-
Publication number: 20020048144Abstract: An activated carbon which is prepared from granular isotropic pitch.Type: ApplicationFiled: July 25, 2001Publication date: April 25, 2002Applicant: Kuraray Co., Ltd. Kurashiki-shi JapanInventors: Nozomu Sugo, Hideharu Iwasaki, Goki Uehara