专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US08680325B2 Process for preparing 2,5-dihydroxyterephthalic acid 有权
标题翻译：制备2,5-二羟基对苯二甲酸的方法
公开(公告)号：US08680325B2
公开(公告)日：2014-03-25
申请号：US13482241
申请日：2012-05-29
申请人： Yusuke Kita , Ryoichi Otsuka
发明人： Yusuke Kita , Ryoichi Otsuka
IPC分类号： C07C51/15
CPC分类号： C07C51/15
摘要： The present invention provides a process for preparing 2,5-dihydroxyterephthalic acid which comprises reacting a dialkali metal salt of hydroquinone with carbon dioxide in a reaction medium in the presence of a potassium salt represented by formula (I): CnH2n+1COOK (I) wherein n is an integer of 1-17. According to the process for preparing 2,5-dihydroxyterephthalic acid of the present invention, 2,5-dihydroxyterephthalic acid can be produced both safely and at a low cost under industrially advantageous conditions. Further, the process according to the present invention causes less damage to reaction equipment and the like.
摘要翻译：本发明提供一种制备2,5-二羟基对苯二甲酸的方法，该方法包括在由式（I）表示的钾盐存在下，使反应介质中的氢醌的二碱金属盐与二氧化碳反应：CnH2n + 1COOK（I）其中n是1-17的整数。根据本发明的2,5-二羟基对苯二甲酸的制备方法，可以在工业上有利的条件下安全地和低成本地制备2,5-二羟基对苯二甲酸。此外，根据本发明的方法对反应设备等造成较小的损坏。

2. 发明申请

US20050244279A1 Variable displacement compressor 有权
标题翻译：可变排量压缩机
公开(公告)号：US20050244279A1
公开(公告)日：2005-11-03
申请号：US11109060
申请日：2005-04-18
申请人： Tomohiro Murakami , Sokichi Hibino , Shiro Hayashi , Yoshio Kimoto , Yusuke Kita , Hiroaki Kayukawa
发明人： Tomohiro Murakami , Sokichi Hibino , Shiro Hayashi , Yoshio Kimoto , Yusuke Kita , Hiroaki Kayukawa
IPC分类号： F04B27/08 , F04B27/10 , F04B49/22 , F04B1/26 , F04B1/12
CPC分类号： F04B27/1036 , F04B49/225 , F04C28/24
摘要： A variable displacement compressor in which variable control of displacement is effected through adjustment of a crank chamber pressure, includes: a suction port; a suction chamber; a suction passage establishing communication between the suction port and the suction chamber; and an opening control valve arranged in the suction passage and adapted to adjust the opening of the suction passage based on a pressure difference between a suction pressure in the suction port and the crank chamber pressure.
摘要翻译：一种可变排量压缩机，其中通过调节曲柄室压力来实现位移的可变控制，包括：吸入口; 吸入室; 吸入通道，其在所述吸入口和所述吸入室之间建立连通; 以及开启控制阀，其布置在所述吸入通道中并且适于基于所述吸入口中的吸入压力和所述曲柄室压力之间的压力差来调节所述吸入通道的开口。

3. 发明申请

US20050244278A1 Piston-type variable displacement compressor 审中-公开
标题翻译：活塞式可变排量压缩机
公开(公告)号：US20050244278A1
公开(公告)日：2005-11-03
申请号：US11106934
申请日：2005-04-15
申请人： Shiro Hayashi , Sokichi Hibino , Yusuke Kita , Tomoharu Tashiro
发明人： Shiro Hayashi , Sokichi Hibino , Yusuke Kita , Tomoharu Tashiro
IPC分类号： F04B27/14 , F04B27/08 , F04B27/10 , F04B49/22 , F04B49/00 , F04B1/26
CPC分类号： F04B27/1036 , F04B27/1018 , F04B49/225
摘要： In a piston-type variable displacement compressor according to the present invention, a rotary valve includes a guide passage having a main suction port for securing a flow rate corresponding to maximum displacement operation and a sub suction port for effecting throttling to a flow rate low enough to suppress pressure fluctuation during variable displacement operation, and during maximum displacement operation, the spool is moved by a suction gas flow to totally open both the main suction port and the sub suction port, and during variable displacement operation, the spool is moved by a pressure difference between the suction chamber pressure and the crank chamber pressure to close the main suction port while keeping the sub suction port open.
摘要翻译：在根据本发明的活塞式可变排量压缩机中，旋转阀包括具有用于确保与最大排量操作相对应的流量的主吸入口的引导通道和用于实现节流的子吸入口至足够低的流量为了抑制变量动作时的压力波动，并且在最大排量动作期间，阀芯通过吸气流动而移动，从而全部打开主吸入口和副吸入口，并且在可变排量操作期间，阀芯被移动吸入室压力和曲柄室压力之间的压力差，以在保持副吸入口打开的同时关闭主吸入口。

4. 发明申请

US20120310008A1 PROCESS FOR PREPARING 2,5-DIHYDROXYTEREPHTHALIC ACID 有权
标题翻译：制备2,5-二羟基己酸的方法
公开(公告)号：US20120310008A1
公开(公告)日：2012-12-06
申请号：US13482241
申请日：2012-05-29
申请人： Yusuke KITA , Ryoichi OTSUKA
发明人： Yusuke KITA , Ryoichi OTSUKA
IPC分类号： C07C51/15
CPC分类号： C07C51/15
摘要： The present invention provides a process for preparing 2,5-dihydroxyterephthalic acid which comprises reacting a dialkali metal salt of hydroquinone with carbon dioxide in a reaction medium in the presence of a potassium salt represented by formula (I): CnH2n+1COOK (I) wherein n is an integer of 1-17.According to the process for preparing 2,5-dihydroxyterephthalic acid of the present invention, 2,5-dihydroxyterephthalic acid can be produced both safely and at a low cost under industrially advantageous conditions. Further, the process according to the present invention causes less damage to reaction equipment and the like.
摘要翻译：本发明提供一种制备2,5-二羟基对苯二甲酸的方法，该方法包括在由式（I）表示的钾盐存在下，使反应介质中的氢醌的二碱金属盐与二氧化碳反应：CnH2n + 1COOK（I）其中n是1-17的整数。根据本发明的2,5-二羟基对苯二甲酸的制备方法，可以在工业上有利的条件下安全地和低成本地制备2,5-二羟基对苯二甲酸。此外，根据本发明的方法对反应设备等造成较小的损坏。

5. 发明授权

US07648346B2 Variable displacement compressor 有权
标题翻译：可变排量压缩机
公开(公告)号：US07648346B2
公开(公告)日：2010-01-19
申请号：US11109060
申请日：2005-04-18
申请人： Tomohiro Murakami , Sokichi Hibino , Shiro Hayashi , Yoshio Kimoto , Yusuke Kita , Hiroaki Kayukawa
发明人： Tomohiro Murakami , Sokichi Hibino , Shiro Hayashi , Yoshio Kimoto , Yusuke Kita , Hiroaki Kayukawa
IPC分类号： F04B1/29
CPC分类号： F04B27/1036 , F04B49/225 , F04C28/24
摘要： A variable displacement compressor in which variable control of displacement is effected through adjustment of a crank chamber pressure, includes: a suction port; a suction chamber; a suction passage establishing communication between the suction port and the suction chamber; and an opening control valve arranged in the suction passage and adapted to adjust the opening of the suction passage based on a pressure difference between a suction pressure in the suction port and the crank chamber pressure.
摘要翻译：一种可变排量压缩机，其中通过调节曲柄室压力来实现位移的可变控制，包括：吸入口; 吸入室; 吸入通道，其在所述吸入口和所述吸入室之间建立连通; 以及开启控制阀，其布置在所述吸入通道中并且适于基于所述吸入口中的吸入压力和所述曲柄室压力之间的压力差来调节所述吸入通道的开口。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式