公开(公告)号：US20120244602A1

公开(公告)日：2012-09-27

申请号：US13485085

申请日：2012-05-31

申请人： Taisei OKUMURA ,  Mamoru NUMATA ,  Shuzo KOJIMA ,  Yasuhisa NAGATA ,  Naoki TAHARA ,  Hiroyuki KUROKI ,  Masato KUKIZAKI ,  Tomohiro TANAKA

发明人： Taisei OKUMURA ,  Mamoru NUMATA ,  Shuzo KOJIMA ,  Yasuhisa NAGATA ,  Naoki TAHARA ,  Hiroyuki KUROKI ,  Masato KUKIZAKI ,  Tomohiro TANAKA

IPC分类号： C12N1/20 ,  C12M1/04 ,  C12N1/12 ,  C12N1/16 ,  C12N1/14

CPC分类号： C12N1/20 ,  B01F3/0412 ,  B01F3/04262 ,  B01F7/00383 ,  B01F7/1625

摘要： A method for culturing cells or microorganisms by dissolving oxygen or carbon dioxide in a culture solution containing a nutrient including: supplying gas containing oxygen or carbon dioxide into inside of a glass porous body being configured to have cylindrical shape and a large number of uniformly fine pores in the outer surface and being configured to seal the end of the glass porous body; generating bubbles that have a 50% diameter of 200 μm or less in a volume-based particle size distribution from the outer surface of the porous body by using gas containing oxygen or carbon dioxide that is supplied from an unsealed end of the glass porous body; suppressing aggregation of the bubbles by at least one of a cell-protecting agent for protecting the cells and a protein hydrolysate included in the culture solution; and dissolving oxygen or carbon dioxide in the culture solution.

摘要翻译： 一种通过将氧或二氧化碳溶解在含有营养物的培养液中培养细胞或微生物的方法，包括：将含有氧或二氧化碳的气体供给到玻璃多孔体的内部，该玻璃多孔体被构造成具有圆筒形状和大量均匀的细孔 在外表面上并被构造成密封玻璃多孔体的端部; 通过使用从玻璃多孔体的未密封端供给的含有氧气或二氧化碳的气体，从多孔体的外表面产生体积型粒径分布中的直径为200μm以下的直径为200μm以下的气泡; 通过保护细胞的细胞保护剂和培养液中包含的蛋白质水解物中的至少一种来抑制气泡的聚集; 并将氧或二氧化碳溶解在培养液中。

公开(公告)号：US6013490A

公开(公告)日：2000-01-11

申请号：US824096

申请日：1997-03-25

申请人： Tohru Kouda ,  Yasuhisa Nagata ,  Hisato Yano ,  Fumihiro Yoshinaga

发明人： Tohru Kouda ,  Yasuhisa Nagata ,  Hisato Yano ,  Fumihiro Yoshinaga

IPC分类号： C12M1/04 ,  C12P19/12 ,  C08B1/00

CPC分类号： C12P19/12 ,  C12M27/06

摘要： A method for the production of a bacterial cellulose by cultivating a cellulose-producing bacteria for at least a certain period of time under such an apparatus condition that an oxygen-transfer coefficient (K.sub.L a) is about 25 to about 50/hr, said K.sub.L a is determined by using a simulated suspension containing 2% by weight of BC and having a plastic viscosity of 15 to 20 poise.

摘要翻译： 在氧传递系数（KLa）为约25〜约50 /小时的设备条件下，通过在至少一定时间内培养纤维素生成细菌来生产细菌纤维素的方法，所述KLa为 通过使用含有2重量％的BC并具有15至20泊的塑性粘度的模拟悬浮液来确定。

公开(公告)号：US20070148750A1

公开(公告)日：2007-06-28

申请号：US10597962

申请日：2005-02-08

申请人： Cyuichi Hoshino ,  Tomiaki Yamada ,  Daisuke Taneda ,  Yasuhisa Nagata ,  Tomoaki Fujii ,  Takao Mase ,  Yoshiki Ueno

发明人： Cyuichi Hoshino ,  Tomiaki Yamada ,  Daisuke Taneda ,  Yasuhisa Nagata ,  Tomoaki Fujii ,  Takao Mase ,  Yoshiki Ueno

IPC分类号： C12P7/06 ,  C07H1/00

CPC分类号： C07H3/02 ,  C07H1/08 ,  C13K1/02 ,  Y02E50/17

摘要： This monosaccharide production method is a method for producing monosaccharides from biomass having a first step 3 in which a raw material biomass is pretreated in 65 to 85 (w/w) % sulfuric acid at a temperature of 30 to 70° C., and a second step 4 in which the first step treatment product pretreated in the first step is subjected to saccharification treatment in 20 to 60 (w/w)% sulfuric acid at a temperature of 40 to 100° C.

摘要翻译： 该单糖的制造方法是从具有第一步骤3的生物质制备单糖的方法，其中原料生物质在温度为30〜70℃的65〜85（w / w）％的硫酸中进行预处理， 将第一步骤中预处理的第一步处理产物在40至100℃的温度下在20至60（w / w）％的硫酸中进行糖化处理的第二步骤4。

公开(公告)号：US4962162A

公开(公告)日：1990-10-09

申请号：US102968

申请日：1987-09-30

申请人： Hiroyuki Kosuda ,  Yasuhisa Nagata ,  Masato Andoh

发明人： Hiroyuki Kosuda ,  Yasuhisa Nagata ,  Masato Andoh

IPC分类号： C08L63/00 ,  C08L101/00

CPC分类号： C08L63/00 ,  C08L101/00

摘要： The resin composition which contains thermosetting resin as Component (A), a thermoplastic resin as Component (B), and at least one compound selected from the group consisting of an epoxy resin capable of dissolving the thermoplastic resin and a reactive diluent possessing at least one epoxy group as Component (C) in a ratio such that the proportions of Components (A), (B), and (C) fall respectively in the ranges of 30 to 96% by weight, 2 to 50% by weight, and 2 to 49% by weight, based on the total weight of the resin composition. The resin composition is capable of producing a molded article combining the highly satisfactory mechanical and thermal properties of a thermosetting resin and the highly satisfactory toughness of a thermoplastic resin.

摘要翻译： 含有作为组分（A）的热固性树脂，作为组分（B）的热塑性树脂和至少一种选自能够溶解热塑性树脂的环氧树脂和至少具有一种 环氧基作为组分（C）的比例使得组分（A），（B）和（C）的比例分别在30至96重量％的范围内降至2至50重量％，2 至49重量％，基于树脂组合物的总重量。 树脂组合物能够生产结合热固性树脂的非常令人满意的机械和热性能以及热塑性树脂的非常令人满意的韧性的模制品。

公开(公告)号：US5438105A

公开(公告)日：1995-08-01

申请号：US202872

申请日：1994-02-28

申请人： Yasuhisa Nagata

发明人： Yasuhisa Nagata

IPC分类号： C08G73/10 ,  C08L79/08

CPC分类号： C08L79/08 ,  C08G73/101

摘要： A polyamic acid composite comprising i) a polyamic acid having three dimensional network molecular structure obtained by a ring-opening polyaddition reaction of a tetracarboxylic acid dianhydride with an aromatic diamine and a tri- or tetramino compound and ii) (a) a high polymer component having a different molecular structure from the polyamic acid, which is dispersed in the three dimensional network molecular structure of the polyamic acid and of which molecular chains are interpenetrated with molecular chains of the polyamic acid or (b) a curable resin composition which is dispersed in the three dimensional network molecular structure of the polyamic acid and which is capable of forming a cured resin of which molecular chains are interpenetrated with molecular chains of the polyamic acid, and a polyimide composite obtained from the polyamic acid composite, and process for production thereof.

摘要翻译： 一种聚酰胺酸复合物，其包含i）通过四羧酸二酐与芳族二胺和三或四嗪化合物的开环加聚反应获得的具有三维网络分子结构的聚酰胺酸，以及ii）（a）高聚物组分 具有与聚酰胺酸不同的分子结构，其分散在聚酰胺酸的三维网络分子结构中，并且其分子链与聚酰胺酸的分子链互穿，或（b）分散在聚酰胺酸中的固化性树脂组合物 能够形成分子链与聚酰胺酸分子链互穿的固化树脂的聚酰胺酸的三维网络分子结构和由聚酰胺酸复合物得到的聚酰亚胺复合体及其制造方法。

公开(公告)号：US5352524A

公开(公告)日：1994-10-04

申请号：US890155

申请日：1992-05-29

申请人： Yasuhisa Nagata

发明人： Yasuhisa Nagata

IPC分类号： C01B31/02 ,  C04B35/52 ,  C04B35/524 ,  C08G73/10 ,  C01B31/00

CPC分类号： C04B35/524 ,  Y10T428/30

摘要： (1) A carbon film derived from a polyimide film, which has a tensile strength of at least 15 Kgf/mm.sup.2, a tensile modulus of elasticity of at least 5000 Kgf/mm.sup.2 and an electric conductivity of at least 200 S/cm.(2) A process for preparing a carbon film which comprises the following steps:1) reacting a monomer combination selected from the group consisting of a combination comprising a tetracarboxylic acid dianhydride and an aromatic diamine and a combination comprising a tetracarboxylic acid dianhydride, an aromatic diamine, and a polyamino compound having at least three amino groups to form a polyamic acid;2) forming a film of polyamic acid;3) imidizing the polyamic acid film to form a polyimide film having a tensile strength of at least 10 Kgf/mm.sup.2 and a tensile modulus of elasticity of at least 500 Kgf/mm.sup.2 ; and4) carbonizing the polyimide film in an inert gas or in a vacuum until a carbon film having a tensile strength of at least 15 Kgf/mm.sup.2, a tensile modulus of elasticity of at least 5000 Kgf/mm.sup.2 and an electric conductivity of at least 200 S/cm is formed.

摘要翻译： （1）衍生自聚酰亚胺膜的抗拉强度为15Kgf / mm2，拉伸弹性模量为5000Kgf / mm 2，电导率为200S / cm以上的碳膜。 （2）一种制备碳膜的方法，包括以下步骤：1）使选自由四羧酸二酐和芳族二胺组成的组的组合和包含四羧酸二酐的组合，芳族化合物 二胺和具有至少三个氨基以形成聚酰胺酸的聚氨基化合物; 2）形成聚酰胺酸膜; 3）酰亚胺化聚酰胺酸膜以形成拉伸强度为至少10Kgf / mm2，拉伸弹性模量至少为500Kgf / mm 2的聚酰亚胺膜; 和4）在惰性气体或真空中将聚酰亚胺膜碳化，直到抗拉强度为至少15Kgf / mm2，拉伸弹性模量至少为5000Kgf / mm 2且电导率至少为零的碳膜 形成200S / cm。

公开(公告)号：US5231162A

公开(公告)日：1993-07-27

申请号：US840111

申请日：1992-02-24

申请人： Yasuhisa Nagata

发明人： Yasuhisa Nagata

IPC分类号： C08G73/10

CPC分类号： C08G73/101

摘要： A polyamic acid having a three-dimensional network molecular structure produced by a gel forming ring-opening polyaddition reaction in an organic solvent of the reaction components comprising:(A) an acid component consisting of at least one tetracarboxylic acid dianhydride selected from the group consisting of a tetracarboxy benzene dianhydride, a tetracarboxy dianhydride of a compound having 2 to 5 condensed benzene rings, and compounds represented by formula (III), and substituted compounds thereof: ##STR1## wherein R.sub.1 represents --O--, --CO--, --SO.sub.2 --, --SO--, an alkylene group, an alkylene bicarbonyloxy group, an alkylene bioxycarbonyl group, a phenylene group, a phenylene alkylene group, or a phenylene dialkylene group, n.sub.4 is 0 or 1, n.sub.5 is 0 or 1; and n.sub.6 is 1 or 2, provided that the sum of n.sub.5 and n.sub.6 is 2, and (2) 0 to 10 wt % of at least one acid component selected from the group consisting of a di- or tricarboxylic acid, a carboxylic acid anhydride and a substituted compound thereof;(B) at least one aromatic diamine; and(C) at least one polyamino compound selected from the group consisting of compounds represented by formula (I) or (II): ##STR2## wherein A.sub.1 represents ##STR3## A.sub.2 represents ##STR4## n.sub.1 is 0 or an integer from 1 to 4; n.sub.2 is 0 or an integer from 1 to 3; X represents an acid; q represents the base number of the acid; R represents --O--, --CH.sub.2 --, --CO-- or --SO.sub.2 --; and n.sub.3 is 0 or 1; a polyimide derived from the polyamic acid; and a process for preparing a film of the polyamic acid or polyimide.The polyimide film has superior heat resistance and mechanical characteristics.

摘要翻译： 在反应成分的有机溶剂中通过凝胶形成开环加聚反应制得的具有三维网状分子结构的聚酰胺酸包括：（A）由至少一种四羧酸二酐组成的酸组分，所述四羧酸二酐选自： 的四羧基苯二酸酐，具有2-5个稠合苯环的化合物的四羧基二酐和由式（III）表示的化合物及其取代的化合物：其中R 1表示-O - ， - CO- ，-SO 2 - ， - SO - ，亚烷基，亚烷基二羰基氧基，亚烷基生物羰基，亚苯基，亚苯基亚烷基或亚苯基亚烷基，n4为0或1，n5为0或1; n6为1或2，条件是n5和n6的和为2，和（2）0至10重量％的至少一种酸组分，其选自二羧酸或三羧酸，羧酸酐 及其取代的化合物; （B）至少一种芳族二胺; （C）至少一种选自由式（I）或（II）表示的化合物的聚氨基化合物：其中A1表示（II）其中A1表示 n1为0或1〜4的整数; n2为0或1〜3的整数; X表示酸; q表示酸的碱值; R表示-O - ， - CH 2 - ， - CO-或-SO 2 - ; n3为0或1; 衍生自聚酰胺酸的聚酰亚胺; 以及制备聚酰胺酸或聚酰亚胺膜的方法。 聚酰亚胺膜具有优异的耐热性和机械特性。

公开(公告)号：US5443859A

公开(公告)日：1995-08-22

申请号：US248690

申请日：1994-05-25

申请人： Yasuhisa Nagata

发明人： Yasuhisa Nagata

IPC分类号： C01B31/02 ,  C04B35/52 ,  C04B35/524 ,  C08G73/10 ,  B05D3/02 ,  C01B31/00

CPC分类号： C04B35/524 ,  Y10T428/30

摘要： (1) A carbon film derived from a polyimide film, which has a tensile strength of at least 15 Kgf/mm.sup.2, a tensile modulus of elasticity of at least 5000 Kgf/mm.sup.2 and an electric conductivity of at least 200 S/cm.(2) A process for preparing a carbon film which comprises the following steps:1) reacting a monomer combination selected from the group consisting of a combination comprising a tetracarboxylic acid dianhydride and an aromatic diamine and a combination comprising a tetracarboxylic acid dianhydride, an aromatic diamine, and a polyamino compound having at least three amino groups to form a polyamic acid;2) forming a film of polyamic acid;3) imidizing the polyamic acid film to form a polyimide film having a tensile strength of at least 10 Kgf/mm.sup.2 and a tensile modulus of elasticity of at least 500 Kgf/mm.sup.2 ; and4) carbonizing the polyimide film in an inert gas or in a vacuum until a carbon film having a tensile strength of at least 15 Kgf/mm.sup.2, a tensile modulus of elasticity of at least 5000 Kgf/mm.sup.2 and an electric conductivity of at least 200 S/cm is formed.

摘要翻译： （1）衍生自聚酰亚胺膜的抗拉强度为15Kgf / mm2，拉伸弹性模量为5000Kgf / mm 2，电导率为200S / cm以上的碳膜。 （2）一种制备碳膜的方法，包括以下步骤：1）使选自由四羧酸二酐和芳族二胺组成的组的组合和包含四羧酸二酐的组合，芳族化合物 二胺和具有至少三个氨基以形成聚酰胺酸的聚氨基化合物; 2）形成聚酰胺酸膜; 3）酰亚胺化聚酰胺酸膜以形成拉伸强度为至少10Kgf / mm2，拉伸弹性模量至少为500Kgf / mm 2的聚酰亚胺膜; 和4）在惰性气体或真空中将聚酰亚胺膜碳化，直到抗拉强度为至少15Kgf / mm2，拉伸弹性模量至少为5000Kgf / mm 2且电导率至少为零的碳膜 形成200S / cm。

公开(公告)号：US4897286A

公开(公告)日：1990-01-30

申请号：US291362

申请日：1988-12-29

申请人： Hiroyuki Kosuda ,  Yasuhisa Nagata ,  Yoshihiro Endoh

发明人： Hiroyuki Kosuda ,  Yasuhisa Nagata ,  Yoshihiro Endoh

IPC分类号： C08J5/04 ,  C08J5/06 ,  C08K7/06

CPC分类号： C08K7/06 ,  C08J5/042 ,  C08J5/06

摘要： A process for producing a product of carbon fiber reinforced thermoplastic resin comprising immersing carbon fibers in a suspension of a powder of a thermoplastic resin in a liquid medium, which contains at least 20 wt % of an organic liquid and which contains from 0 to 80 wt % water, to impregnate the thermoplastic resin among carbon fibers, and heating the thermoplastic resin deposited on the fibers to melt and form a unitary assembly with carbon fibers.

公开(公告)号：US4714648A

公开(公告)日：1987-12-22

申请号：US761290

申请日：1985-08-01

申请人： Yasuhisa Nagata

发明人： Yasuhisa Nagata

IPC分类号： C08G59/40 ,  C08G59/68 ,  C08J5/24 ,  B32B7/00 ,  D02G3/00 ,  D04H1/08

CPC分类号： C08J5/24 ,  C08G59/4014 ,  C08G59/4035 ,  C08G59/686 ,  C08J2363/00 ,  Y10T428/2907 ,  Y10T428/2918 ,  Y10T428/2933 ,  Y10T428/2938 ,  Y10T428/2964 ,  Y10T428/30 ,  Y10T442/2951

摘要： A prepreg obtained by impregnating fibers with an epoxy resin composition by a hot melt method is described, wherein the epoxy resin composition comprises components (A), (B), and (C), wherein(A) is an epoxy resin(B) is a hardening agent composition containing a hydrazide type hardening agent for an epoxy resin, and having a melting point of not higher than 160.degree. C., and (B) further contains at least one compound selected from the group consisting of alcohols and phenols having a melting point of not less than 50.degree. C.,(C) is a urea compound represented by the formula ##STR1## wherein X and Y each represents H, Cl, or OCH.sub.3.

摘要翻译： 描述了通过热熔融方法用环氧树脂组合物浸渍纤维获得的预浸料，其中环氧树脂组合物包含组分（A），（B）和（C），其中（A）是环氧树脂（B） 是含有用于环氧树脂的酰肼型硬化剂，熔点不高于160℃的硬化剂组合物，（B）还含有至少一种选自醇和酚的化合物，所述醇和酚具有 熔点不低于50℃，（C）是由下式表示的脲化合物，其中X和Y各自表示H，Cl或OCH 3。