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1. 发明申请

US20080161507A1 POLYESTER-POLYCARBONATE BLENDS 审中-公开
标题翻译：聚酯 - 聚碳酸酯混合物
公开(公告)号：US20080161507A1
公开(公告)日：2008-07-03
申请号：US11617043
申请日：2006-12-28
申请人： Shreyas Chakravarti , Chandrashekhar L. , Shantaram Suryakant Morye
发明人： Shreyas Chakravarti , Chandrashekhar L. , Shantaram Suryakant Morye
IPC分类号： C08F20/00
CPC分类号： C08L67/02 , C08G64/12 , C08L67/00 , C08L69/00 , C08L2666/14 , C08L2666/18
摘要： A composition of matter comprising a thermoplastic resin composition derived from (i) about 20 weight percent to about 80 weight percent of a polyester derived from a diol comprising cyclohexane dimethanol and a diacid; (ii) about 5 weight percent to about 80 weight percent of a copolycarbonate derived from about 20 weight percent to about 70 weight percent of a 2-hydrocarbyl-3,3-bis(hydroxyaryl)phthalimidine and from about 30 weight percent to about 80 weight percent of a second aromatic dihydroxy compound; (iii) about 0 weight percent to about 70 weight percent of a thermoplastic resin, C wherein the thermoplastic resin C is selected from the group consisting of a homopolycarbonate, a poly(estercarbonate), a poly(arylatecarbonate) and combinations thereof, and wherein the resin composition is transparent is disclosed. Also disclosed is a process to prepare this composition and articles therefrom.
摘要翻译：一种物质组合物，其包含衍生自（i）约20重量％至约80重量％的衍生自包含环己烷二甲醇和二酸的二醇的聚酯的热塑性树脂组合物; （ii）约5重量％至约80重量％的衍生自约20重量％至约70重量％的2-烃基-3,3-双（羟基芳基）苯并嘧啶的共聚碳酸酯和约30重量％至约80重量％第二芳族二羟基化合物的重量百分比; （iii）约0重量％至约70重量％的热塑性树脂C，其中热塑性树脂C选自均聚碳酸酯，聚（碳酸酯），聚（芳基碳酸酯）及其组合，其中公开了树脂组合物是透明的。还公开了从其制备该组合物和制品的方法。

2. 发明授权

US07686998B2 Thermoplastic composition, method of manufacture thereof, and articles derived therefrom 有权
标题翻译：热塑性组合物，其制造方法和由其衍生的制品
公开(公告)号：US07686998B2
公开(公告)日：2010-03-30
申请号：US11765052
申请日：2007-06-19
申请人： Shreyas Chakravarti , Rodney W. Fonseca , Bernard Schrauwen , Robert van de Grampel
发明人： Shreyas Chakravarti , Rodney W. Fonseca , Bernard Schrauwen , Robert van de Grampel
IPC分类号： C08G63/02
CPC分类号： C08L67/02 , C08K5/0008 , C08L69/005 , C08L2205/02 , Y10T428/24124 , Y10T428/31786 , C08L2666/18
摘要： Disclosed herein is a thermoplastic composition comprising a combination of 10 to 80 wt. % of a polyester and 10 to 90 wt. % of at least one two polyester-polycarbonate copolymers comprising, based on the total weight of the copolymer, 10 to 95 wt. % of arylate ester units, and 5 to 85 wt. % of aromatic carbonate units. Also disclosed is a method of forming the compositions, and articles prepared therefrom, for example transparent covers.
摘要翻译：本文公开了一种热塑性组合物，其包含10至80重量％％的聚酯和10至90wt。至少一种两种聚酯 - 聚碳酸酯共聚物的％，基于共聚物的总重量，包含10至95wt。％的芳基酯单元，和5至85wt。％的芳族碳酸酯单元。还公开了形成组合物的方法和由其制备的制品，例如透明盖。

3. 发明申请

US20090191411A1 Cycloaliphatic Polyester Copolymer Articles And Methods for Making Articles Therefrom 审中-公开
标题翻译：环脂族聚酯共聚物制品及其制品的制备方法
公开(公告)号：US20090191411A1
公开(公告)日：2009-07-30
申请号：US12020683
申请日：2008-01-28
申请人： Sandeep Tripathi , Shreyas Chakravarti
发明人： Sandeep Tripathi , Shreyas Chakravarti
IPC分类号： B32B27/08
CPC分类号： B32B27/36 , B32B27/08 , B32B27/18 , B32B27/365 , B32B2250/02 , B32B2250/24 , B32B2270/00 , B32B2307/40 , B32B2307/50 , B32B2307/536 , B32B2307/558 , B32B2307/5825 , B32B2307/714 , B32B2307/738 , B32B2307/75 , B32B2307/762 , B32B2451/00 , B32B2457/00 , B32B2509/00 , Y10T428/31507
摘要： A thermoformable sheet can comprise: a cap layer comprising a combination of a bisphenol cyclohexylidene polycarbonate and a cycloaliphatic polyester copolymer, and a base layer comprising polycarbonate. A method for making an article can comprise: melting a polycarbonate in an extruder, forming a molten combination of a bisphenol cyclohexylidene polycarbonate and a cycloaliphatic polyester copolymer, and coextruding the molten combination and the polycarbonate to form a sheet.
摘要翻译：可热成型片材可以包括：包含双酚亚环己基聚碳酸酯和脂环族聚酯共聚物的组合的盖层和包含聚碳酸酯的基层。制造制品的方法可以包括：在挤出机中熔融聚碳酸酯，形成双酚亚环己基聚碳酸酯和脂环族聚酯共聚物的熔融组合，以及共挤出熔融组合和聚碳酸酯以形成片材。

4. 发明申请

US20090191403A1 Multilayer Articles and Methods for Making Multilayer Articles 有权
标题翻译：多层文章的制作与制作方法
公开(公告)号：US20090191403A1
公开(公告)日：2009-07-30
申请号：US12020634
申请日：2008-01-28
申请人： Sandeep Tripathi , Shreyas Chakravarti , Sapna Kirk Blackburn
发明人： Sandeep Tripathi , Shreyas Chakravarti , Sapna Kirk Blackburn
IPC分类号： B32B7/02 , B32B27/36 , B29C47/00
CPC分类号： C08L67/02 , B32B27/08 , B32B27/308 , B32B27/36 , B32B27/365 , B32B2250/24 , B32B2307/40 , B32B2307/536 , B32B2307/54 , B32B2307/558 , B32B2307/5825 , B32B2307/714 , B32B2307/738 , B32B2307/75 , B32B2307/762 , B32B2451/00 , B32B2457/00 , B32B2509/00 , C08L69/00 , Y10T428/2495 , Y10T428/26 , Y10T428/269 , Y10T428/31 , Y10T428/31507 , Y10T428/31786 , Y10T428/31797 , Y10T428/31935 , C08L2666/18
摘要： In one embodiment, the sheet, comprises: a cap layer comprising an acrylic polymer; and a base layer, wherein the sheet is thermoformable. The base layer comprises a cycloaliphatic polyester copolymer and an optionally, an aromatic polycarbonate. The cycloaliphatic polyester copolymer can comprise greater than 10 wt % cycloaliphatic diol or acid or combination thereof, based upon a total weight of the cycloaliphatic polyester copolymer.
摘要翻译：在一个实施方案中，片材包括：包含丙烯酸类聚合物的盖层; 和基层，其中所述片材是可热成形的。基层包含脂环族聚酯共聚物和任选的芳族聚碳酸酯。基于脂环族聚酯共聚物的总重量，脂环族聚酯共聚物可以包含大于10重量％的脂环族二醇或酸或其组合。

5. 发明申请

US20080269399A1 POLYESTER POLYCARBONATE COMPOSITIONS, METHODS OF MAKING, AND ARTICLES FORMED THEREFROM 有权
标题翻译：聚酯聚碳酸酯组合物，制备方法和形成的制品
公开(公告)号：US20080269399A1
公开(公告)日：2008-10-30
申请号：US11741959
申请日：2007-04-30
申请人： Shreyas Chakravarti , Bernardus Antonius Gerardus Schrauwen , Robert Dirk van de Grampel
发明人： Shreyas Chakravarti , Bernardus Antonius Gerardus Schrauwen , Robert Dirk van de Grampel
IPC分类号： C08F283/02 , C08L67/02
CPC分类号： C08L67/02 , C08K3/01 , C08K5/0008 , C08L69/00 , C08L69/005 , C08L2666/02 , C08L2666/18
摘要： A composition comprises a polyester-polycarbonate polymer comprising isophthalate-terephthalate-resorcinol ester units and carbonate units, a first polyester selected from poly(ethylene terephthalate), poly(ethylene isophthalate), or a combination thereof, and a second polyester comprising butylene terephthalate units, cyclohexanedimethylene terephthalate units, or a combination of cyclohexanedimethylene terephthalate units and ethylene terephthalate units. The composition can be extruded into pellets that are clear and colorless. The composition can further be molded into articles having a percent haze value less than or equal to 10 percent, and total luminous transmittance value of greater than or equal to 70 percent, measured in accordance with ASTM D1003-00. Also disclosed is a method for forming the compositions, and articles prepared therefrom.
摘要翻译：组合物包含含有间苯二甲酸酯 - 对苯二甲酸酯 - 间苯二酚酯单元和碳酸酯单元的聚酯 - 聚碳酸酯聚合物，选自聚（对苯二甲酸乙二醇酯），聚（乙烯间苯二甲酸酯）或其组合）的第一聚酯和包含对苯二甲酸丁二醇酯单元的第二聚酯，对苯二甲酸环己烷二甲酸酯单元，或环己烷二亚甲基对苯二酸酯单元和对苯二甲酸乙二醇酯单元的组合。该组合物可以挤出成为澄清和无色的颗粒。根据ASTM D1003-00测量，组合物可以进一步模塑成具有小于或等于10％的雾度值百分比，总透光率值大于或等于70％的制品。还公开了形成组合物的方法及其制备的制品。

6. 发明授权

US07210926B2 Formable sheets for medical applications and methods of manufacture thereof 失效
标题翻译：用于医疗应用的成型片及其制造方法
公开(公告)号：US07210926B2
公开(公告)日：2007-05-01
申请号：US10705590
申请日：2003-11-10
申请人： Safwat Tadros , Shreyas Chakravarti
发明人： Safwat Tadros , Shreyas Chakravarti
IPC分类号： A61C3/00
CPC分类号： A61C19/063 , A61C7/08 , B33Y70/00 , B33Y80/00
摘要： Disclosed herein is an appliance for use in an oral cavity, wherein the appliance comprises a polymeric shell that comprises a polymeric mixture, and further wherein the polymeric shell has cavities designed to receive teeth. Disclosed herein too is a method for maintaining or repositioning teeth in the oral cavity comprising placing an appliance in a patient's mouth, wherein the appliance comprises a polymeric shell that comprises a polymeric mixture, and further wherein the polymeric shell has cavities designed to receive teeth.
摘要翻译：本文公开了一种用于口腔的器具，其中所述器具包括聚合物壳体，所述聚合物壳体包含聚合物混合物，并且其中所述聚合物壳体具有被设计成接收牙齿的空腔。本文还公开了一种用于在口腔中保持或重新定位牙齿的方法，包括将器具放置在患者口中，其中所述器具包括聚合物壳体，所述聚合物壳体包含聚合物混合物，并且其中所述聚合物壳体具有设计成容纳牙齿的空腔。

7. 发明授权

US08536272B2 Thermoplastic poly(arylene ether)/polyester blends and method of making 失效
标题翻译：热塑性聚（亚芳基醚）/聚酯混纺及其制造方法
公开(公告)号：US08536272B2
公开(公告)日：2013-09-17
申请号：US11776882
申请日：2007-07-12
申请人： Pravin Borade , Donna Starrup Bossman , Shreyas Chakravarti , Robert R Gallucci , Roshan Kumar Jha , Ganesh Kannan , Nitin Moghe , Przemyslaw Olszynski
发明人： Pravin Borade , Donna Starrup Bossman , Shreyas Chakravarti , Robert R Gallucci , Roshan Kumar Jha , Ganesh Kannan , Nitin Moghe , Przemyslaw Olszynski
IPC分类号： C08L67/03
CPC分类号： C08L67/02 , C08L53/02 , C08L63/00 , C08L71/02 , C08L2666/22 , C08L2666/02
摘要： Disclosed herein is a polymer composition comprising: a poly(arylene ether); a polyester; and an impact modifier. The composition has a continuous phase comprising polyester and a disperse phase comprising poly(arylene ether). The amount of the disperse phase is less than 35 weight percent, based on the total weight of the composition.
摘要翻译：本文公开了一种聚合物组合物，其包含：聚（亚芳基醚）; 聚酯和抗冲改性剂。该组合物具有包含聚酯和包含聚（亚芳基醚）的分散相的连续相。基于组合物的总重量，分散相的量小于35重量％。

8. 发明授权

US08106126B2 Polycarbonate-polyester blends, methods of manufacture, and articles thereof 有权
标题翻译：聚碳酸酯 - 聚酯共混物，制造方法及其制品
公开(公告)号：US08106126B2
公开(公告)日：2012-01-31
申请号：US12201176
申请日：2008-08-29
申请人： Nina P. Vaze , Tieb M. B. Aouraghe , Johannes Hubertus G. M. Lohmeijer , Shreyas Chakravarti
发明人： Nina P. Vaze , Tieb M. B. Aouraghe , Johannes Hubertus G. M. Lohmeijer , Shreyas Chakravarti
IPC分类号： B32B27/36 , C08G63/02
CPC分类号： C08L67/02 , C08L69/00 , Y10T428/31504 , Y10T428/31507 , Y10T428/31786 , C08L2666/18
摘要： A composition comprises a blend of 20 to 90 wt. % of a polycarbonate, 10 to 80 wt. % of a polyester wherein the weight percent of the polycarbonate and the polyester are each based on the total weight of the polycarbonate and the polyester. A sample of the composition having a thickness of 2.5 mm has a luminous transmittance of greater than or equal to 80% and a haze of less than 20% when measured in accordance with ASTM D 1003.
摘要翻译：组合物包含20至90wt。％的聚碳酸酯，10〜80wt。聚酯的百分比，其中聚碳酸酯和聚酯的重量百分比均基于聚碳酸酯和聚酯的总重量。当根据ASTM D 1003测量时，厚度为2.5mm的组合物的样品具有大于或等于80％的透光率和小于20％的雾度。

9. 发明授权

US07691950B2 Polyester polycarbonate compositions, methods of making, and articles formed therefrom 有权
标题翻译：聚酯聚碳酸酯组合物，制造方法和由其形成的制品
公开(公告)号：US07691950B2
公开(公告)日：2010-04-06
申请号：US11741941
申请日：2007-04-30
申请人： Shreyas Chakravarti , Bernardus Antonius Gerardus Schrauwen , Robert Dirk van de Grampel
发明人： Shreyas Chakravarti , Bernardus Antonius Gerardus Schrauwen , Robert Dirk van de Grampel
IPC分类号： C08G63/16 , C08G64/00
CPC分类号： C08L67/02 , C08K3/01 , C08K5/0008 , C08L69/005 , C08L2666/18
摘要： A composition comprises a polyester-polycarbonate polymer comprising isophthalate-terephthalate-resorcinol ester units and carbonate units, a first polyester comprising repeating units derived from cyclohexane dicarboxylic acid or a chemical equivalent thereof, and a C2-8 aliphatic diol or a chemical equivalent thereof, and a second polyester comprising units derived from isophthalic and/or terephthalic acid and a chemical equivalent thereof, and a C2-8 aliphatic diol or a chemical equivalent thereof. The composition can be extruded into pellets that are clear and colorless. The composition can further be molded into articles having a percent haze value less than or equal to 10 percent, and total luminous transmittance value of greater than or equal to 70 percent, measured in accordance with ASTM D1003-00. Also disclosed is a method for forming the compositions, and articles prepared therefrom.
摘要翻译：组合物包括含有间苯二甲酸酯 - 对苯二甲酸酯 - 间苯二酚酯单元和碳酸酯单元的聚酯 - 聚碳酸酯聚合物，包含衍生自环己烷二羧酸或其化学等价物的重复单元的第一聚酯，以及C 2-8脂族二醇或其化学等价物，和包含衍生自间苯二甲酸和/或对苯二甲酸及其化学当量的单元的第二聚酯，以及C 2-8脂族二醇或其化学等价物。该组合物可以挤出成为澄清和无色的颗粒。根据ASTM D1003-00测量，组合物可以进一步模塑成具有小于或等于10％的雾度值百分比，总透光率值大于或等于70％的制品。还公开了形成组合物的方法及其制备的制品。

10. 发明申请

US20080119597A1 THERMOPLASTIC COMPOSITION, METHOD OF MANUFACTURE THEREOF, AND ARTICLES DERIVED THEREFROM 有权
标题翻译：热塑性组合物，其制造方法及其衍生物
公开(公告)号：US20080119597A1
公开(公告)日：2008-05-22
申请号：US11765052
申请日：2007-06-19
申请人： Shreyas Chakravarti , Rodney W. Fonseca , Bernard Schrauwen , Robert van de Grampel
发明人： Shreyas Chakravarti , Rodney W. Fonseca , Bernard Schrauwen , Robert van de Grampel
IPC分类号： C08C19/02 , B29B7/00
CPC分类号： C08L67/02 , C08K5/0008 , C08L69/005 , C08L2205/02 , Y10T428/24124 , Y10T428/31786 , C08L2666/18
摘要： Disclosed herein is a thermoplastic composition comprising a combination of 10 to 80 wt. % of a polyester and 10 to 90 wt. % of at least one two polyester-polycarbonate copolymers comprising, based on the total weight of the copolymer, 10 to 95 wt. % of arylate ester units, and 5 to 85 wt. % of aromatic carbonate units. Also disclosed is a method of forming the compositions, and articles prepared therefrom, for example transparent covers.
摘要翻译：本文公开了一种热塑性组合物，其包含10至80重量％％的聚酯和10至90wt。至少一种两种聚酯 - 聚碳酸酯共聚物的％，基于共聚物的总重量，包含10至95wt。％的芳基酯单元，和5至85wt。％的芳族碳酸酯单元。还公开了形成组合物的方法和由其制备的制品，例如透明盖。

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