-
公开(公告)号：US07147817B1
公开(公告)日：2006-12-12
申请号：US10335484
申请日：2002-12-31
Applicant: Florencia Lim , Timothy Owens , Srinivasan Sridharan , Chi Le Long
Inventor： Florencia Lim , Timothy Owens , Srinivasan Sridharan , Chi Le Long
CPC classification number: B29C61/006 , A61M25/0045 , A61M25/1006 , A61M25/1036 , A61M25/1038 , A61M25/104 , A61M2025/1031 , A61M2025/1075 , A61M2025/1081 , B29L2022/025 , B29L2031/7542
Abstract: A method of making a catheter balloon or other expandable tubular medical device or component thereof, in which an assembly of heat shrink material on an outer surface of coaxially disposed first and second tubes is heated to radially shrink the heat shrink material and reduce the outer diameter of the first tube. In a presently preferred embodiment, the heat shrink material extends at least along a central section of the first tube to reduce the outer diameter of the first tube at least along the central section of the first tube. The first and second tubes form the outer and inner layers, respectively, of a multilayered balloon, which has an improved low profile outer diameter.
Abstract translation: 一种制造导管球囊或其它可扩张的管状医疗装置或其组件的方法，其中在同轴设置的第一和第二管的外表面上的热收缩材料的组件被加热以径向收缩热收缩材料并减小外径 的第一管。 在目前优选的实施例中，热收缩材料至少沿着第一管的中心部分延伸，以至少沿着第一管的中心部分减小第一管的外径。 第一和第二管分别形成多层气囊的外层和内层，其具有改进的低外形外径。
-
52.发明授权Copper termination inks containing lead free and cadmium free glasses for capacitors 有权铜终端油墨含有无铅和无镉电容的玻璃公开(公告)号：US06982864B1
公开(公告)日：2006-01-03
申请号：US10864309
申请日：2004-06-09
Applicant: Srinivasan Sridharan , Umesh Kumar , Chandrashekhar S. Khadilkar
Inventor： Srinivasan Sridharan , Umesh Kumar , Chandrashekhar S. Khadilkar
IPC: H01G4/06
Abstract: Lead-free and cadmium-free glass composition that is particularly suitable for use in conductive ink applications. The invention includes a capacitor comprising a copper termination, the copper termination is made by firing an ink including a glass component, the glass component may comprise up to about 65 mole % ZnO, up to about 51 mole % SrO, about 0.1 to about 61 mole % B2O3, up to about 17 mole % Al2O3, about 0.1 to about 63 mole % Sio2, up to about 40 mole % BaO+CaO, and up to about 20 mole % MgO.
Abstract translation: 无铅和无镉玻璃组合物，特别适用于导电油墨应用。 本发明包括一个包含铜终端的电容器，铜端接件是通过烧制包括玻璃组分的油墨制成的，该玻璃组分可以包括高达约65％（摩尔）的ZnO，至多约51％的SrO，约0.1-约61 摩尔％B 2 O 3 3，至多约17摩尔％的Al 2 O 3 3，约0.1至约 63摩尔％的SiO 2，至多约40摩尔％的BaO + CaO和至多约20摩尔％的MgO。
-
公开(公告)号：US20050277550A1
公开(公告)日：2005-12-15
申请号：US10864304
申请日：2004-06-09
Applicant: Orville Brown , Srinivasan Sridharan
Inventor： Orville Brown , Srinivasan Sridharan
CPC classification number: C03C8/02 , C03C3/064 , C03C3/066 , C03C8/04 , C03C8/18 , C03C8/22 , C04B41/009 , C04B41/5127 , C04B41/88 , C04B2111/00844 , H01B1/22 , H05K1/092 , Y10T428/24909 , Y10T428/24926 , C04B35/10 , C04B41/4539 , C04B41/5022 , C04B41/5049
Abstract: Thick film conductive copper pastes that are lead-free and cadmium-free. The inventive copper pastes possess desirable characteristics, including good solderability, good wire bondability, a low firing temperature, and a wide temperature processing window, and provide excellent adhesion to a variety of substrates, including alumina and glass coated stainless steel substrates, as well as low resistivity, and a microstructure after firing that is dense and substantially free of pores.
Abstract translation: 厚膜导电铜浆，无铅，无镉。 本发明的铜浆具有所需的特性，包括良好的可焊性，良好的线焊接性，低的烧制温度和宽的温度加工窗口，并且对各种基材（包括氧化铝和玻璃涂层的不锈钢基材）以及对 低电阻率和烧结后的微观结构是致密的并且基本上没有孔。
-
公开(公告)号：US06949112B1
公开(公告)日：2005-09-27
申请号：US09917024
申请日：2001-07-26
Applicant: Srinivasan Sridharan , Timoteo Tomas
Inventor： Srinivasan Sridharan , Timoteo Tomas
CPC classification number: A61M25/1029 , A61L29/06 , A61M25/10 , A61M25/1027 , A61M25/104 , C08L67/02
Abstract: A medical device or component thereof, and particularly intracorporeal devices for therapeutic or diagnostic uses, formed at least in part of a copolymer having a hard block and a polylactone soft block. In a presently preferred embodiment, the hard block of the copolymer is a polyester, and more specifically, the copolymer comprises a di-block copolymer of poly(ethylene terephthalate) and polycaprolactone. The copolymer is suitable for forming a variety of medical devices or medical device components, and is preferably used to form a catheter balloon, such as a balloon for an angioplasty or stent delivery catheter. However, a variety of medical devices or medical device components can be formed of the copolymer, including stent covers, vascular grafts, and shaft components.
Abstract translation: 尤其是用于治疗或诊断用途的医疗器械或其组件，至少部分形成有具有硬块和聚内酯软嵌段的共聚物的体内器件。 在目前优选的实施方案中，共聚物的硬嵌段是聚酯，更具体地说，共聚物包括聚（对苯二甲酸乙二醇酯）和聚己酸内酯的二嵌段共聚物。 该共聚物适用于形成各种医疗装置或医疗装置部件，并且优选用于形成导管球囊，例如用于血管成形术或支架输送导管的球囊。 然而，可以由共聚物形成各种医疗装置或医疗装置部件，包括支架盖，血管移植物和轴部件。
-
55.发明授权公开(公告)号：US06929768B2
公开(公告)日：2005-08-16
申请号：US10144978
申请日：2002-05-13
Applicant: Srinivasan Sridharan , Bjorn G. Svensson
Inventor： Srinivasan Sridharan , Bjorn G. Svensson
CPC classification number: B29C66/4322 , B29C53/42 , B29C53/581 , B29C53/60 , B29C65/1629 , B29C65/1635 , B29C65/1658 , B29C66/1122 , B29C66/1142 , B29C66/4329 , B29C66/49 , B29C66/71 , B29C66/727 , B29C66/73711 , B29C66/73776 , B29C66/73921 , B29C66/836 , B29K2027/18 , B29L2022/022 , B29L2023/00 , B29L2031/7542 , Y10T428/1334 , B29K2079/08 , B29K2077/00 , B29K2075/00 , B29K2027/06 , B29K2023/12 , B29K2023/0683 , B29K2023/06
Abstract: A method of making a catheter balloon or other expandable medical device, and a balloon or other device formed thereby, in which at least a portion of a tubular, wrapped sheet of polymeric material is heated with laser radiation to form a fused seam extending along at least a section of the length of the tubular body. In one embodiment, the portion of the sheet heated by laser radiation is less than the entire area of the sheet, so that the fused seam is formed by heating portions of the sheet without heating sections of the sheet spaced apart from the fused seam. In one embodiment, the sheet of polymeric material comprises a polymer having a porous and preferably a node and fibril microstructure, which in one embodiment is selected from the group consisting of expanded polytetrafluoroethylene (ePTFE) and expanded ultra high molecular weight polyethylene.
Abstract translation: 一种制造导管球囊或其它可扩张医疗装置的方法，以及由此形成的球囊或其他装置，其中管状包裹的聚合材料片材的至少一部分用激光辐射加热，以形成沿着 至少一段长度的管状体。 在一个实施例中，通过激光辐射加热的片材的部分小于片材的整个面积，使得熔融接缝通过加热片材的部分而不与片材间隔开的片的加热部分形成。 在一个实施方案中，聚合物材料片材包含具有多孔性，优选为节点和原纤维微结构的聚合物，其在一个实施方案中选自膨胀聚四氟乙烯（ePTFE）和膨胀超高分子量聚乙烯。
-
Patent Agency Ranking
公开(公告)号：US06794462B2
公开(公告)日：2004-09-21
申请号：US10266517
申请日：2002-10-08
Applicant: Srinivasan Sridharan , John Armstrong Young , Donald James Arthur , Thomas Yiu-Tai Tam
IPC: C08G6380
Abstract: A composition comprises a solid-stated block copolymer of an aromatic polyester and a caprolactone, wherein the copolymer has been solid state polymerized such that intrinsic viscosity increases at least 20%, the caprolactone content decreases no more than 1.2% absolute and the transesterification increases no more than 3.5% absolute, and wherein the solid-stated copolymer has an intrinsic viscosity of at least 0.82. Particularly preferred chain extension reactions are performed at a temperature of less than 175° C., and even more preferably at less than 165° C. In further aspects of the inventive subject matter, yarns and methods of producing a fiber include contemplated solid-stated block copolymers.
-
公开(公告)号：US6105394A
公开(公告)日：2000-08-22
申请号：US228702
申请日：1999-01-12
Applicant: Srinivasan Sridharan , Robert P. Blonski , Hasan B. Emlemdi , Gordon J. Roberts , Ivan H. Joyce
Inventor： Srinivasan Sridharan , Robert P. Blonski , Hasan B. Emlemdi , Gordon J. Roberts , Ivan H. Joyce
Abstract: The present invention provides lead and cadmium free glass enamel compositions. In one embodiment of the invention, glass frits include from about 0.1 percent by weight to about 15 percent by weight Nb.sub.2 O.sub.5, less than about 3 percent by weight alkali metal oxides, less than about 3 percent by weight ZnO, less than about 1 percent by weight B.sub.2 O.sub.3, and precursors from which Bi.sub.2 SiO.sub.5 can be crystallized upon firing, said precursors including Bi.sub.2 O.sub.3 and SiO.sub.2. Glass frits according to the present invention preferably further include up to about 25 percent by weight of coloring oxides, such as CeO.sub.2, Co.sub.3 O.sub.4, In.sub.2 O.sub.3, SnO, Cr.sub.2 O.sub.3, CuO, Fe.sub.2 O.sub.3, MnO.sub.2, MoO.sub.3, NiO, and V.sub.2 O.sub.5. By incorporating various amounts of coloring oxides into the compositions, the degree of crystallization and the rate at which crystallization occurs upon firing of the compositions can be controlled. Compositions according to the present invention form enamels upon firing which exhibit excellent resistance to acids, water, and alkalis as compared to enamels formed from prior art lead and cadmium free glass enamel compositions.
Abstract translation: 本发明提供无铅和无镉玻璃搪瓷组合物。 在本发明的一个实施方案中，玻璃料包括约0.1重量％至约15重量％的Nb 2 O 5，小于约3重量％的碱金属氧化物，小于约3重量％的ZnO，小于约1重量％ 重量B 2 O 3，以及Bi 2 SiO 5在烧制时可以结晶的前体，所述前体包括Bi 2 O 3和SiO 2。 根据本发明的玻璃料优选还包含高达约25重量％的着色氧化物，例如CeO 2，Co 3 O 4，In 2 O 3，SnO，Cr 2 O 3，CuO，Fe 2 O 3，MnO 2，MoO 3，NiO和V 2 O 5。 通过将不同量的着色氧化物加入到组合物中，可以控制结晶度和在组合物烧制时发生结晶的速率。 与现有技术的无铅和无镉玻璃搪瓷组合物形成的搪瓷相比，根据本发明的组合物在烧制时形成表现出对酸，水和碱的优异耐性的搪瓷。
-
公开(公告)号：US09105768B2
公开(公告)日：2015-08-11
申请号：US13313133
申请日：2011-12-07
Applicant: Srinivasan Sridharan , Tung Pham , Chandrashekhar S. Khadilkar , Aziz S. Shaikh , Steve S. Kim
Inventor： Srinivasan Sridharan , Tung Pham , Chandrashekhar S. Khadilkar , Aziz S. Shaikh , Steve S. Kim
IPC: H01L31/042 , H01L31/0224 , C03C3/064 , C03C3/066 , C03C8/18
CPC classification number: H01L31/022425 , C03C3/064 , C03C3/066 , C03C8/18 , Y02E10/50
Abstract: Formulations and methods of making solar cells are disclosed. In general, the invention presents a solar cell contact made from a mixture wherein the mixture comprises a solids portion and an organics portion, wherein the solids portion comprises from about 85 to about 99 wt % of a metal component, and from about 1 to about 15 wt % of a lead-free glass component. Both front contacts and back contacts arc disclosed.
Abstract translation: 公开了制造太阳能电池的制剂和方法。 通常，本发明提供了由混合物制成的太阳能电池接触，其中混合物包含固体部分和有机部分，其中固体部分包含约85至约99重量％的金属组分和约1至约 15重量％的无铅玻璃组分。 两个前触点和后触点都被公开。
-
59.发明授权Methods of forming coating layers for medical devices utilizing flash vaporization 有权利用闪蒸法形成用于医疗器械的涂层的方法公开(公告)号：US08568764B2
公开(公告)日：2013-10-29
申请号：US11445041
申请日：2006-05-31
Applicant: Florian N. Ludwig , Syed F. A. Hossainy , Srinivasan Sridharan , Carol Lee
Inventor： Florian N. Ludwig , Syed F. A. Hossainy , Srinivasan Sridharan , Carol Lee
CPC classification number: A61L31/10 , A61L27/34 , A61L27/50 , A61L27/54 , A61L2300/406 , A61L2300/41 , A61L2300/416 , A61L2300/606 , A61M31/002
Abstract: Methods are disclosed for controlling the morphology and the release-rate of active agent from coating layers for medical devices comprising a polymer matrix and one or more active agents. The methods comprise fixing the morphology or phase distribution of the active agent prior to removing solvent from the coating composition. The coating layers can be used for controlled the delivery of an active agent or a combination of active agents.
Abstract translation: 公开了用于控制活性剂从包含聚合物基质和一种或多种活性剂的医疗装置的涂层的形态和释放速率的方法。 所述方法包括在从涂料组合物中除去溶剂之前固定活性剂的形态或相分布。 涂层可用于控制活性剂或活性剂的组合的递送。
-
公开(公告)号：US20130164466A1
公开(公告)日：2013-06-27
申请号：US13808422
申请日：2011-07-22
Applicant: Chandrashekhar S. Khadilkar , Robert P. Blonski , Srinivasan Sridharan , Jackie D. Davis , John J. Maloney , James D. Walker , Andrew M. Rohn, JR.
Inventor： Chandrashekhar S. Khadilkar , Robert P. Blonski , Srinivasan Sridharan , Jackie D. Davis , John J. Maloney , James D. Walker , Andrew M. Rohn, JR.
CPC classification number: B32B37/12 , B05D3/007 , C08K7/14 , C09D5/34 , C09D7/70 , H01L31/048 , H01L31/0481 , H01L31/0488 , H01L51/5246 , Y02E10/50 , Y10T428/1314
Abstract: A glass-flake loaded organic sealant system is useful for sealing active layers such as those in electronic devices and solar cells.
Abstract translation: 玻璃片装载的有机密封剂系统可用于密封诸如电子设备和太阳能电池中的活性层的活性层。
-
-
-
-
-
-
-
-
-
Search Results
117
records
(took 0.02 seconds)
