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

US06316678B1 Method for producing dis(4-hydroxyaryl) alkanes 失效
标题翻译：二（4-羟基芳基）烷烃的制备方法
公开(公告)号：US06316678B1
公开(公告)日：2001-11-13
申请号：US09786146
申请日：2001-02-28
申请人： Steffen Kühling , Rolf Lanze , Rainer Neumann , Frieder Heydenreich , Tony van Osselaer , Gerhard Fennhoff
发明人： Steffen Kühling , Rolf Lanze , Rainer Neumann , Frieder Heydenreich , Tony van Osselaer , Gerhard Fennhoff
IPC分类号： C07C3768
CPC分类号： C07C39/16
摘要： The present invention relates to a process for producing bis(4-hydroxy-aryl)alkanes of high purity from addition products of bis(4-hydroxy-aryl)alkanes and aromatic hydroxy compounds which are obtained by the acid-catalysed reaction of the aromatic hydroxy compounds with ketones.
摘要翻译：本发明涉及一种由双（4-羟基 - 芳基）烷烃和芳族羟基化合物的加成产物生产高纯度的双（4-羟基 - 芳基）烷烃的方法，该方法是通过芳族化合物的酸催化反应羟基化合物与酮类。

2. 发明授权

US06395864B1 Polycarbonates with a low yellowness index 失效
标题翻译：黄色指数低的聚碳酸酯
公开(公告)号：US06395864B1
公开(公告)日：2002-05-28
申请号：US09868826
申请日：2001-06-20
申请人： Steffen Kühling , Rolf Lanze , Michael Prein , Rainer Neumann , Hermann Kauth , Christian Kords , Frieder Heydenreich , Tony van Osselaer , Wilfried Haese
发明人： Steffen Kühling , Rolf Lanze , Michael Prein , Rainer Neumann , Hermann Kauth , Christian Kords , Frieder Heydenreich , Tony van Osselaer , Wilfried Haese
IPC分类号： C08G6400
CPC分类号： G11B7/2534 , C08G64/24 , Y10T428/31507
摘要： A process for the preparation of polycarbonate resins having a low yellowness index is described. The process involves converting phosgene with a sodium bisphenolate solution by means of a phase interface process performed with the exclusion of oxygen. The sodium bisphenolate solution used in the process has a dissolved oxygen content of
摘要翻译：描述了一种制备低黄度指数的聚碳酸酯树脂的方法。该方法涉及通过用排除氧气进行的相界面方法用双酚钠溶液转化光气。该方法中使用的双酚钠溶液的溶解氧含量<150ppb。还描述了由本发明的聚碳酸酯制备的光学数据存储介质。

3. 发明授权

US06682794B1 Polycarbonate containers 失效
标题翻译：聚碳酸酯容器
公开(公告)号：US06682794B1
公开(公告)日：2004-01-27
申请号：US10070205
申请日：2002-03-05
申请人： Klaus Horn , Steffen Kühling , Ralf Hufen , Rolf Lanze , Michael Prein , Rainer Neumann , Hermann Kauth , Frieder Heydenreich , Tony van Osselaer
发明人： Klaus Horn , Steffen Kühling , Ralf Hufen , Rolf Lanze , Michael Prein , Rainer Neumann , Hermann Kauth , Frieder Heydenreich , Tony van Osselaer
IPC分类号： C08G6404
CPC分类号： C08G64/24 , B29B2911/1402 , B29B2911/14026 , B29B2911/14033 , B29B2911/1404 , B29B2911/14106 , B29B2911/14133 , B29C49/0005 , B29C49/04 , B29C49/06 , B29K2069/00 , Y10T428/1352
摘要： A container made of polycarbonate resin is disclosed. The container is characterized in that the polycarbonate is prepared by the phase interface process that is characterized in that the aqueous solution of an alkali salt of a bisphenol used, contains dissolved oxygen in an amount less than 150 ppb. The process for making the container is also disclosed.
摘要翻译：公开了一种由聚碳酸酯树脂制成的容器。该容器的特征在于，通过相界面方法制备聚碳酸酯，其特征在于所用双酚的碱金属盐的水溶液含有小于150ppb的溶解氧。还公开了制造容器的方法。

4. 发明授权

US06384288B1 Method for the production of bis(4-hydroxyaryl)alkanes 有权
标题翻译：生产双（4-羟基芳基）烷烃的方法
公开(公告)号：US06384288B1
公开(公告)日：2002-05-07
申请号：US09807645
申请日：2001-04-16
申请人： Steffen Kühling , Rolf Lanze , Rainer Neumann , Frieder Heydenreich , Tony van Osselaer
发明人： Steffen Kühling , Rolf Lanze , Rainer Neumann , Frieder Heydenreich , Tony van Osselaer
IPC分类号： C07C3768
CPC分类号： C07C37/70 , C07C39/16
摘要： A process for producing bis(4-hydroxyaryl)alkane is disclosed. The process comprise in sequence the steps of (a) passing inert gas through a melt at 150 to 230° C. that contains bis(4-hydroxyaryl)alkane and other aromatic hydroxy compounds, under conditions designed to remove said other aromatic hydroxy compounds from said melt and to obtain a stream of inert gas that contains said other aromatic hydroxy compounds (b) condensing the stream obtained in (a) to remove said other aromatic hydroxy compound, and to obtain a stream of inert gas, and (c) purifying and compressing the stream of inert gas obtained in (b), and recycling to step (a).
摘要翻译：公开了一种生产双（4-羟基芳基）烷烃的方法。该方法依次包括以下步骤：（a）在设计为从其中除去所述其它芳族羟基化合物的条件下，将惰性气体通过含有双（4-羟基芳基）烷烃和其它芳族羟基化合物的150-230℃的熔体所述熔体并且获得含有所述其它芳族羟基化合物的惰性气体流（b）将（a）中获得的流冷凝以除去所述其它芳族羟基化合物，并获得惰性气体流，和（c）纯化并压缩（b）中获得的惰性气体流，并循环至步骤（a）。

5. 发明授权

US06689464B1 Method and device for producing bisphenol a prills and bisphenol a prills produced according to this method 有权
标题翻译：按照这种方法生产双酚a颗粒和双酚a颗粒的方法和装置
公开(公告)号：US06689464B1
公开(公告)日：2004-02-10
申请号：US09869773
申请日：2001-08-31
申请人： Rolf Lanze , Alfred Eitel , Rainer Neumann , Steffen Kühling , Frieder Heydenreich , Tony van Osselaer , Rainer Bellinghausen , Heiko Herold
发明人： Rolf Lanze , Alfred Eitel , Rainer Neumann , Steffen Kühling , Frieder Heydenreich , Tony van Osselaer , Rainer Bellinghausen , Heiko Herold
IPC分类号： B32B516
CPC分类号： C07C39/16 , Y10T428/2982
摘要： A method for producing bisphenol A in prill form is disclosed. Molten bisphenol is top-fed into a prilling tower via a plate containing a plurality of nozzles. A gas coolant guided through a circuit is led into said tower in a counter flow direction. The prills are cooled to about room temperature, collected at the bottom of the tower and removed. Also disclosed is the device for carrying out the inventive method and the prills thus produced.
摘要翻译：公开了一种生产双酚A的方法。熔融的双酚通过包含多个喷嘴的板顶部进料到造粒塔中。引导通过电路的气体冷却剂沿逆流方向被引导到塔中。将颗粒冷却至约室温，收集在塔的底部并除去。还公开了用于实施本发明的方法和由此产生的颗粒的装置。

6. 发明授权

US06414198B1 Method for producing bisphenol-A 失效
标题翻译：生产双酚A的方法
公开(公告)号：US06414198B1
公开(公告)日：2002-07-02
申请号：US09868806
申请日：2001-06-21
申请人： Rolf Lanze , Rainer Neumann , Steffen Kühling , Frieder Heydenreich , Tony Van Osselaer
发明人： Rolf Lanze , Rainer Neumann , Steffen Kühling , Frieder Heydenreich , Tony Van Osselaer
IPC分类号： C07C3768
CPC分类号： C07C37/74 , C07C39/16
摘要： A process of preparing bisphenol A having low residual contents of oxygen and phenol is described. The process involves: (a) melting mixed crystals of bisphenol A and phenol under a nitrogen atmosphere at a temperature of 100° C. to 120° C.; (b) feeding continuously the melt formed in step (a) into the top of a distillation unit under conditions of 120° C. to 80 mbar to 200 mbar; (c) feeding contemporaneously with step (b) nitrogen into the bottom of the distillation unit; (d) allowing the melted feed material and the nitrogen feed to contact each other within the distillation unit, thereby forming a concentrated melt material having (i) a phenol content reduced to 10 to 25 wt. %, and (ii) a reduced oxygen content (e.g., an oxygen content of
摘要翻译：描述了制备具有低残留氧含量和苯酚的双酚A的方法。该方法包括：（a）在氮气气氛下，在100℃至120℃的温度下，将双酚A和苯酚的混合物熔融。（b）在120℃至<160℃和压力> 80毫巴至200毫巴的条件下，将步骤（a）中形成的熔体连续进料到蒸馏单元的顶部; （c）与步骤（b）同时进料氮气到蒸馏单元的底部; （d）允许熔融的进料和氮气进料在蒸馏单元内彼此接触，从而形成浓缩的熔融材料，其具有（i）苯酚含量降低至10至25wt。％，和（ii）氧含量降低（例如，氧含量<1ppm）; 和（e）在至少大气压，180℃至220℃和氮分压为1至1.5巴的条件下，任选地使氮气流通过浓缩熔融材料，从而从浓缩的熔融材料（例如，导致苯酚含量<50ppm）。具有减少的氧和苯酚含量的熔融材料可以进一步加工成例如粒料。

7. 发明授权

US06695991B1 Device for exchanging a die plate of a prilling tower and method for the automatic exchange 失效
标题翻译：用于更换造粒塔的模板的装置和用于自动交换的方法
公开(公告)号：US06695991B1
公开(公告)日：2004-02-24
申请号：US09890018
申请日：2001-07-25
申请人： Rolf Lanze , Günter Holdenried , Rainer Neumann , Frieder Heydenreich , Tony van Osselaer
发明人： Rolf Lanze , Günter Holdenried , Rainer Neumann , Frieder Heydenreich , Tony van Osselaer
IPC分类号： B29B910
CPC分类号： C07C39/16
摘要： A device for exchanging a die plate of a molten bisphenol A prilling tower is described. The device comprises: (a) at least two die plates; (b) a guide which is in contact with the die plates; and (c) a drive mechanism, wherein the drive mechanism moves the die plates linearly and serially between an operating position and an exchange position along the guide. Also described is a process of automated operation of the device at the top of a bisphenol A prilling tower.
摘要翻译：描述了用于更换熔融双酚A造粒塔的模板的装置。该装置包括：（a）至少两个模板; （b）与模板接触的导向件; 和（c）驱动机构，其中所述驱动机构沿着所述导向件在操作位置和交换位置之间线性地并且连续地移动所述模具板。还描述了在双酚A造粒塔的顶部自动操作装置的过程。

8. 发明授权

US06828465B2 Method for producing bisphenols 有权
标题翻译：生产双酚的方法
公开(公告)号：US06828465B2
公开(公告)日：2004-12-07
申请号：US10239544
申请日：2002-12-16
申请人： Rainer Neumann , Rolf Lanze , Frieder Heydenreich , Michael Bödiger , Michael Prein
发明人： Rainer Neumann , Rolf Lanze , Frieder Heydenreich , Michael Bödiger , Michael Prein
IPC分类号： C07C3768
CPC分类号： C07C37/84 , C07C37/685 , C07C39/16
摘要： The present invention provides crystals of an adduct of a bisphenol and a phenol and methods of producing those crystals. The crystals may find use in preparing bisphenols.
摘要翻译：本发明提供了双酚和苯酚的加成物的晶体和制备这些晶体的方法。晶体可能用于制备双酚。

9. 发明授权

US06906227B2 Bisphenol phenol adducts 有权
标题翻译：双酚酚加合物
公开(公告)号：US06906227B2
公开(公告)日：2005-06-14
申请号：US10149905
申请日：2000-12-07
申请人： Rainer Neumann , Rolf Lanze , Frieder Heydenreich , Michael Bödiger , Michael Prein
发明人： Rainer Neumann , Rolf Lanze , Frieder Heydenreich , Michael Bödiger , Michael Prein
IPC分类号： B01D33/06 , B01D9/02 , C07C37/70 , C07C37/82 , C07C37/84 , C07C39/16
CPC分类号： C07C37/70 , C07C37/82 , C07C39/16
摘要： The application relates to a process for producing high-purity bis(4-hydroxyaryl)alkanes from adducts of bis(4-hydroxyaryl)alkanes and aromatic hydroxy compounds, which are obtained by acid-catalysed reaction of the aromatic hydroxy compounds with ketones.
摘要翻译：本申请涉及通过芳族羟基化合物与酮的酸催化反应获得的由双（4-羟基芳基）烷烃和芳族羟基化合物的加合物生产高纯度双（4-羟基芳基）烷烃的方法。

10. 发明授权

US06919487B2 Bis(4-hydroxyaryl)alkanes 有权
标题翻译：双（4-羟基芳基）烷烃
公开(公告)号：US06919487B2
公开(公告)日：2005-07-19
申请号：US10149906
申请日：2000-12-07
申请人： Rainer Neumann , Rolf Lanze , Frieder Heydenreich , Michael Bödiger , Michael Prein
发明人： Rainer Neumann , Rolf Lanze , Frieder Heydenreich , Michael Bödiger , Michael Prein
IPC分类号： F28F21/04 , B01D9/02 , B01J8/02 , C07C37/68 , C07C37/70 , C07C37/74 , C07C37/84 , C07C39/04 , C07C39/16
CPC分类号： C07C37/70 , C07C37/685 , C07C39/16
摘要： The present application relates to a process for producing high-purity bis(4-hydroxyaryl)alkanes from adducts of bis(4-hydroxyaryl)alkanes and aromatic hydroxy compounds, which are obtained by acid-catalysed reaction of the aromatic hydroxy compounds with ketones.
摘要翻译：本申请涉及通过芳族羟基化合物与酮的酸催化反应获得的由双（4-羟基芳基）烷烃和芳族羟基化合物的加合物生产高纯度双（4-羟基芳基）烷烃的方法。

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