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公开(公告)号：US20100184879A1
公开(公告)日：2010-07-22
申请号：US12529273
申请日：2008-03-03
申请人： Romeo Stanciu , Paul V. Farkas , Hamdy Khalil , Askar Karami
发明人： Romeo Stanciu , Paul V. Farkas , Hamdy Khalil , Askar Karami
CPC分类号： C08G18/36 , C08G18/10 , C08G18/6696 , C08G18/7607 , C08G2101/005 , C08G2101/0083 , C08G2290/00 , C08G2350/00 , C08G18/66
摘要： There is described a novoel isocyanate-based polymer foam. The isocyanate-based polymer foam is derived from a reaction mixture comprising: (a) an isocyanate; (b) a mixture of active hydrogen-containing compounds; and (c) a blowing agent. The mixture of active hydrogen-containing compounds comprises: (i) a bio-based polyol having an OH functionality of greater than about 2.0, an OH number in the range of from about 90 to about 200 and a molecular weight (Mn) of at least about 1100, and (ii) a petroleum-based active hydrogen-containing compound. It has been surprisingly and unexpectedly discovered that relatively high amounts (compared to the prior art) of such a bio-based polyol may be incorporated into an isocyanate-based polymer foam while maintaining a desirable balance of properties in the foam. Use of such a bio-based polyol (as a single bio-based polyol or a mixture of bio-based polyols) allows for displacement of at least a portion of petroleum-based polyols conventionally used in the production of isocyanate-based polymer foam while maintaining a desirable balance of properties in the foam, particularly molded foam. The addition benefit is that such displacement is of a component that this non-renewable and relatively more expensive than bio-based polyols.
摘要翻译： 描述了一种异氰酸酯基聚合物泡沫体。 异氰酸酯基聚合物泡沫衍生自包含以下物质的反应混合物：（a）异氰酸酯; （b）含活性氢的化合物的混合物; 和（c）发泡剂。 含活性氢的化合物的混合物包括：（i）具有大于约2.0的OH官能度，约90至约200的OH值，以及分子量（Mn）为约 至少约1100，和（ii）石油基活性氢化合物。 出人意料地发现与这种生物基多元醇相比，相对较高的量（与现有技术相比）可以引入到异氰酸酯基聚合物泡沫中，同时保持泡沫中所需的性能平衡。 使用这种基于生物的多元醇（作为单一生物基多元醇或生物基多元醇的混合物）允许至少一部分常规用于生产异氰酸酯基聚合物泡沫体的基于石油的多元醇的位移，同时 保持泡沫中特别是模塑泡沫的性能的理想平衡。 附加的好处是这种位移是这种不可再生的并且比基于生物的多元醇相对更贵的组成部分。
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公开(公告)号：US5288797A
公开(公告)日：1994-02-22
申请号：US34454
申请日：1993-03-19
IPC分类号： C08G18/12 , C08G18/40 , C08G18/48 , C08G18/72 , C08K3/04 , C09J175/04 , C09J177/00 , C08L75/04
CPC分类号： C08G18/12 , C08G18/4018 , C08G18/4812 , C08G18/724 , C09J175/04 , C08G2190/00
摘要： A one-part moisture curable polyurethane adhesive composition comprises a blend of polyurethane prepolymers and one or more additives which unexpectedly improve the sag resistance and mechanical properties of the formulation. The final adhesive composition retains good stability in the absence of moisture for an extended period between manufacture and application of the adhesive, and has a relatively rapid and consistent cure rate in the presence of atmospheric moisture. The final cured composition exhibits good mechanical properties and generally is unaffected by ambient application and cure conditions.
摘要翻译： 一部分湿度可固化的聚氨酯粘合剂组合物包含聚氨酯预聚物和一种或多种添加剂的混合物，其意外地改善了制剂的抗流挂性和机械性能。 最终的粘合剂组合物在粘合剂的制备和施加之间的长时间内在不存在水分的情况下保持良好的稳定性，并且在大气湿气存在下具有相对快速且一致的固化速率。 最终固化的组合物显示出良好的机械性能，并且通常不受环境应用和固化条件的影响。
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公开(公告)号：US08683564B2
公开(公告)日：2014-03-25
申请号：US13806127
申请日：2010-11-17
CPC分类号： H04L63/0838 , H04L9/3228 , H04L9/3236 , H04L9/3271 , H04L2209/38 , H04L2209/80
摘要： Systems and methods for One-Time Password (OTP) authentication with infinite nested hash chains are described. In one aspect, a methodology includes a client device that provides a one-time password (OTP) authentication server with certain registration information. The client device generates, via the OTP authentication server, an authenticated OTP with infinite nested hash chains, These generating operations use a first hash function (hA (−)) for updating a seed chain, a second hash function (hB (•)) for OTP production, an OTP seed number stOTP for a tth authentication, and two authentication seeds of numbers s2t−1Auth and s2tAuth, for the tth authentication.
摘要翻译： 描述了具有无限嵌套散列链的一次性密码（OTP）认证的系统和方法。 一方面，一种方法包括向一次性密码（OTP）认证服务器提供某些注册信息的客户端设备。 客户端设备通过OTP认证服务器生成具有无限嵌套散列链的认证OTP，这些生成操作使用第一个散列函数（hA（ - ））来更新种子链，第二个散列函数（hB（•）） 对于OTP生产，用于第t个认证的OTP种子编号stOTP，以及用于第t个认证的两个认证种子s2t-1Auth和s2tAuth。
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公开(公告)号：US4533691A
公开(公告)日：1985-08-06
申请号：US560226
申请日：1983-12-12
申请人： Hamdy Khalil , Orest N. Chick
发明人： Hamdy Khalil , Orest N. Chick
IPC分类号： C08K3/00 , A01N59/00 , C08C1/06 , C08K3/16 , C08K5/00 , C08K5/04 , C08K5/09 , C08K5/14 , C08L7/00 , C08L21/00 , C08L21/02 , C08L23/00 , C08L33/00 , C08L33/02 , C08L101/00
摘要： An improved method is provided for inhibiting the growth of microorganisms in a latex comprising homopolymers of C.sub.4-6 conjugated diolefins, acrylic polymers, vinyl acetate polymers, chloroprene polymers, vinyl pyridine polymers, homopolymers of vinylidene monoaromatic monomers, copolymers of ethylene and propylene, copolymers of acrylonitrile and butadiene or copolymers of butadiene and styrene, copolymers of butadiene and styrene containing one or more monomers selected from the group alpha-beta ethylenically unsaturated aldehydes, alpha-beta ethylenically unsaturated carboxylic acids, amide derivatives of alpha-beta ethylenically unsaturated acids which may be unsubstituted or substituted at the nitrogen atom by a C.sub.1-8 alkyl or a C.sub.1-4 alkanol radical, or a C.sub.1-8 alkyl ester of an alpha-beta ethylenically unsaturated carboxylic acids, said process comprising admixing with said latex a chlorine dioxide gas, aqueous solutions of chlorine dioxide, and two or more chemical compounds which react upon mixing to form chlorine dioxide, in an amount sufficient to generate from 0.001 to 1 parts by weight of chlorine dioxide per 100 parts by weight of polymer in the latex. Such latices are useful in conventional applications such as coatings, and binders.
摘要翻译： 提供了一种改进的方法，用于抑制包含C4-6共轭二烯烃的均聚物，丙烯酸聚合物，乙酸乙烯酯聚合物，氯丁二烯聚合物，乙烯基吡啶聚合物，亚乙烯基单芳族单体的均聚物，乙烯和丙烯的共聚物，共聚物 的丙烯腈和丁二烯或丁二烯和苯乙烯的共聚物，丁二烯和苯乙烯的共聚物，其含有一种或多种选自α-β-烯属不饱和醛，α-β-烯键式不饱和羧酸，α-β-烯属不饱和酸的酰胺衍生物， 可以是未取代的或在氮原子被C 1-8烷基或C 1-4烷醇基团或α-β-烯键式不饱和羧酸的C 1-8烷基酯取代，所述方法包括与所述胶乳混合二氧化氯 气体，二氧化氯的水溶液，以及两种以上的化合物 在混合时反应形成二氧化氯，其量足以产生每100重量份胶乳中聚合物0.001至1重量份的二氧化氯。 这种胶乳可用于常规应用如涂料和粘合剂。
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公开(公告)号：US20130191899A1
公开(公告)日：2013-07-25
申请号：US13806127
申请日：2010-11-17
IPC分类号： H04L29/06
CPC分类号： H04L63/0838 , H04L9/3228 , H04L9/3236 , H04L9/3271 , H04L2209/38 , H04L2209/80
摘要： Systems and methods for One-Time Password (OTP) authentication with infinite nested hash chains are described. In one aspect, a methodology includes a client device that provides a one-time password (OTP) authentication server with certain registration information. The client device generates, via the OTP authentication server, an authenticated OTP with infinite nested hash chains, These generating operations use a first hash function (hA (−)) for updating a seed chain, a second hash function (hB (•)) for OTP production, an OTP seed number stOTP for a tth authentication, and two authentication seeds of numbers s2t−1Auth and s2tAuth, for the tth authentication.
摘要翻译： 描述了具有无限嵌套散列链的一次性密码（OTP）认证的系统和方法。 一方面，一种方法包括向一次性密码（OTP）认证服务器提供某些注册信息的客户端设备。 客户端设备通过OTP认证服务器生成具有无限嵌套散列链的认证OTP，这些生成操作使用第一个散列函数（hA（ - ））来更新种子链，第二个散列函数（hB（。）） 对于OTP生产，用于第t个认证的OTP种子编号stOTP，以及用于第t个认证的两个认证种子s2t-1Auth和s2tAuth。
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公开(公告)号：US5126421A
公开(公告)日：1992-06-30
申请号：US516032
申请日：1990-04-27
申请人： Witek Majewski , Hamdy Khalil , Jerzy Wypych
发明人： Witek Majewski , Hamdy Khalil , Jerzy Wypych
CPC分类号： C08G18/10 , C08G18/0885
摘要： Isocyanate prepolymer compositions can be cured quickly and thoroughly in the presence of atmospheric moisture by reacting them with a curing system that includes a mixture of (1) an oxazolidine moisture scavenger and curing agent and (2) a hydroxyl curing agent. The oxazolidine moisture scavenger/curing agent can be monocyclic oxazolidine or bicyclic oxazolidine. The hydroxyl curing agent preferably is a polyhydric compound. If desired, an organic solvent, a catalyst, and/or fillers can be used with the invention in order to speed the curing reaction or improve the physical and mechanical properties of the final polymer product. The present invention enables high quality polyurethane/polyurea polymers to be formed in thick layers under various environmental conditions, including humidity, that render the invention suitable for use in the field.
摘要翻译： 通过使它们与包含（1）恶唑烷水分清除剂和固化剂的混合物和（2）羟基固化剂的混合物反应，可以在大气水分存在下快速且彻底地固化异氰酸酯预聚物组合物。 恶唑烷水分清除剂/固化剂可以是单环恶唑烷或双环恶唑烷。 羟基固化剂优选为多羟基化合物。 如果需要，本发明可以使用有机溶剂，催化剂和/或填料，以加速固化反应或改善最终聚合物产品的物理和机械性能。 本发明使得高质量的聚氨酯/聚脲聚合物可以在使得本发明适用于现场的各种环境条件（包括湿度）下形成厚层。
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公开(公告)号：US20140069997A1
公开(公告)日：2014-03-13
申请号：US13611054
申请日：2012-09-12
IPC分类号： G06K5/00
摘要： A system and method for currency validation of a bank note with a radio frequency identification device therein utilizes a computer, server and communication link and a smartphone including an RFID reader, transmitter/receiver and an internet connection. A bank note is issued with a value, a serial number and a secret seed message that is also saved on the issuer's server. A tamper proof RFID mu-chip is embedded in the currency note and includes the value, serial number, plus the secret message for making a calculation. The smartphone reads the information on the chip and requests an issuer/authenticator to validate the note. The issuer/authenticator transmits a challenge and the mu-chip calculates an answer that is sent to the issuer/authenticator. An approval or disapproval is then sent to the smartphone.
摘要翻译： 用于其中具有射频识别装置的钞票的货币验证的系统和方法利用计算机，服务器和通信链路以及包括RFID读取器，发送器/接收器和互联网连接的智能手机。 发行银行票据的值，序列号和秘密种子消息也保存在发行者的服务器上。 篡改RFID芯片嵌入在钞票中，包括值，序列号，加上进行计算的秘密信息。 智能手机读取芯片上的信息，并请求发行者/认证者验证该音符。 发行者/认证者发送询问，并且mu芯片计算发送给发行者/认证者的答案。 然后将批准或不批准发送到智能手机。
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公开(公告)号：US4404300A
公开(公告)日：1983-09-13
申请号：US348771
申请日：1982-02-16
申请人： Unto K. Koski , Hamdy Khalil , Adrian Cassola
发明人： Unto K. Koski , Hamdy Khalil , Adrian Cassola
IPC分类号： C08F279/02 , C08K5/3475 , C08K5/45 , C08K5/34
CPC分类号： C08K5/3475 , C08F279/02 , C08K5/45
摘要： A process is provided for the production of an improved impact polystyrene by the use of a polybutadiene which contains an optical brightener as the rubber to be dissolved in the styrene monomer, following which the polybutadiene-styrene solution is polymerized.
摘要翻译： 提供了通过使用含有荧光增白剂作为待溶解在苯乙烯单体中的橡胶的聚丁二烯生产改进的抗冲聚苯乙烯的方法，随后聚丁二烯 - 苯乙烯溶液聚合。
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公开(公告)号：US08931688B2
公开(公告)日：2015-01-13
申请号：US13611054
申请日：2012-09-12
IPC分类号： G06F17/00
摘要： A system and method for currency validation of a bank note with a radio frequency identification device therein utilizes a computer, server and communication link and a smartphone including an RFID reader, transmitter/receiver and an internet connection. A bank note is issued with a value, a serial number and a secret seed message that is also saved on the issuer's server. A tamper proof RFID mu-chip is embedded in the currency note and includes the value, serial number, plus the secret message for making a calculation. The smartphone reads the information on the chip and requests an issuer/authenticator to validate the note. The issuer/authenticator transmits a challenge and the mu-chip calculates an answer that is sent to the issuer/authenticator. An approval or disapproval is then sent to the smartphone.
摘要翻译： 用于其中具有射频识别装置的钞票的货币验证的系统和方法利用计算机，服务器和通信链路以及包括RFID读取器，发送器/接收器和互联网连接的智能手机。 发行银行票据的值，序列号和秘密种子消息也保存在发行者的服务器上。 篡改RFID芯片嵌入在钞票中，包括值，序列号，加上进行计算的秘密信息。 智能手机读取芯片上的信息，并请求发行者/认证者验证该笔记。 发行者/认证者发送询问，并且mu芯片计算发送给发行者/认证者的答案。 然后将批准或不批准发送到智能手机。
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