公开(公告)号：US07879964B2

公开(公告)日：2011-02-01

申请号：US10539436

申请日：2003-12-19

申请人： Gary Woodward ,  Graham Philip Otter ,  Keith Philip Davis ,  Kim Carmichael

发明人： Gary Woodward ,  Graham Philip Otter ,  Keith Philip Davis ,  Kim Carmichael

IPC分类号： C08F30/02

CPC分类号： C08F20/04 ,  C08F2/38 ,  C08F30/02

摘要： A phosphorus-containing polymer is provided comprising the reaction product of a chain-transfer agent having at least one pH bond with an unsaturated carboxylic, phosphonic or sulphonic acid. The invention also provides the aforementioned phosphorus-containing polymer further comprising phosphorus-containing end-caps. The polymers have a biodegradability of at least 20% per 28 days (as determined by OECD 306).

摘要翻译： 提供含磷聚合物，其包含具有至少一个pH键的链转移剂与不饱和羧酸，膦酸或磺酸的反应产物。 本发明还提供了上述含磷聚合物，其还包含含磷端盖。 聚合物每28天具有至少20％的生物降解能力（由经合组织306确定）。

公开(公告)号：US06767989B2

公开(公告)日：2004-07-27

申请号：US10182880

申请日：2002-10-09

申请人： Keith Philip Davis ,  Graham Philip Otter ,  Gary Woodward

发明人： Keith Philip Davis ,  Graham Philip Otter ,  Gary Woodward

IPC分类号： C08G7902

CPC分类号： C08G79/04 ,  C02F5/00 ,  C07F9/305 ,  C07F9/4816 ,  C07F9/485

摘要： Compounds of formula (I), wherein each of R and R′ are independently selected from hydrogen, a hydroxyl group, a carboxyl group, an alkyl, aryl or alkaryl group or a hydroxy or carboxy substituted alkyl, aryl or alkaryl group, provided that R and R′, together have a total of less than 23 carbon atoms, R″ may either be hydrogen or a CHR═CR1 group or be selected from the same categories as R′″; R′″ is a group, or polymeric chain comprising from 1 to 100,000 groups, said group or groups being derived form at least one ethylenically unsaturated compound wherein the double bond is activated by an adjacent electron withdrawing group, and n is greater than 1 are novel, are useful corrosion inhibitors and are valuable intermediates in preparing telomers for use in water treatment.

公开(公告)号：US06814885B2

公开(公告)日：2004-11-09

申请号：US10259000

申请日：2002-12-30

申请人： Gary Woodward ,  Graham Philip Otter ,  Keith Philip Davis ,  Robert Eric Talbot

发明人： Gary Woodward ,  Graham Philip Otter ,  Keith Philip Davis ,  Robert Eric Talbot

IPC分类号： C02F514

CPC分类号： C02F5/14 ,  C02F2103/023 ,  C02F2103/08 ,  C02F2103/28

摘要： A scale and corrosion inhibitor for use in the treatment of water comprises at least one oxyalkylene unit and at least one phosphonate unit (e.g. a unit derived prom a mono- or di-phosphonic acid such as VPA or VDPA). Inhibitors according to the present invention have been found to exhibit both scale-inhibiting and corrosion-inhibiting properties, especially in the treatment of cooling water and water used in oilfield applications.

摘要翻译： 用于处理水的垢和腐蚀抑制剂包括至少一个氧化烯单元和至少一个膦酸酯单元（例如单元或二膦酸单元，例如VPA或VDPA）。 已经发现根据本发明的抑制剂表现出抑垢和腐蚀抑制性能，特别是在用于油田应用中的冷却水和水的处理方面。

公开(公告)号：US6071434A

公开(公告)日：2000-06-06

申请号：US25192

申请日：1998-02-18

申请人： Keith Philip Davis ,  Alan Craig Smith ,  David Robert Edward Walker ,  Gary Woodward

发明人： Keith Philip Davis ,  Alan Craig Smith ,  David Robert Edward Walker ,  Gary Woodward

IPC分类号： C02F5/14 ,  C07F9/38 ,  C07F9/48 ,  C09D5/08 ,  C11D3/00 ,  C23F11/167 ,  C23F11/173 ,  C23F14/02 ,  C08F30/02 ,  C09K7/04 ,  C11D7/16 ,  C02F11/167

CPC分类号： C23F11/1676 ,  C02F5/14 ,  C07F9/3821 ,  C07F9/4816 ,  C09D5/082 ,  C09K8/528 ,  C09K8/54 ,  C11D3/361 ,  C11D3/3784 ,  C23F11/167 ,  C23F11/173 ,  C23F14/02

摘要： The reaction of compounds of the formula:X.sub.2 O.sub.3 P CHY CZ.sub.2where Y and each Z are each H, PO.sub.3 X.sub.2, SO.sub.3 X or CO.sub.2 X (e.g. vinyl phosphonic acid or vinylidene diphosphonic acid) with hypophosphorous acid in the presence of free radicals provides novel compounds X.sub.2 O.sub.3 PCHYCZ.sub.2 PO.sub.2 XH which react with monomers such as vinyl sulphonate, vinyl phosphonate, vinylidene diphosphonate and acrylic acid to form telomers useful for scale inhibition, especially barium scale in oil wells. The polymers show better absorption to rock than PVSA and better thermal stability than random copolymers containing equivalent phosphorus.

摘要翻译： 其中Y和Z各自为H，PO 3 X 2，SO 3 X或CO 2 X（例如乙烯基膦酸或亚乙烯基二膦酸）的化合物与次磷酸在自由基存在下的反应提供新的化合物X 2 O 3 PCHYCZ 2 PO 2 XH，其反应 与单体如乙烯基磺酸盐，乙烯基膦酸盐，亚乙烯基二膦酸盐和丙烯酸形成可用于阻垢的调聚物，特别是油井中的钡垢。 与含有相同磷的无规共聚物相比，聚合物对PVSA的吸收比PVSA具有更好的热稳定性。

公开(公告)号：US20110203353A1

公开(公告)日：2011-08-25

申请号：US12932386

申请日：2011-02-24

申请人： Lawrence A. Hough ,  Jean-Christophe Castaing ,  Gary Woodward ,  Ruela Talingting Pabalan ,  Floryan De Campo

发明人： Lawrence A. Hough ,  Jean-Christophe Castaing ,  Gary Woodward ,  Ruela Talingting Pabalan ,  Floryan De Campo

IPC分类号： G01N33/26

CPC分类号： G01N33/26 ,  B01L3/5027 ,  G01N21/82

摘要： Disclosed are methods of determining the effectiveness of an asphaltene deposition inhibitor in oilfield applications. Such methods typically comprising the steps of introducing an oil well fluid into a microfluidic/millifluidic system; introducing a mixture of an asphaltene deposition inhibitor and carrier into the microfluidic/millifluidic system; introducing a precipitating agent, typically comprising heptane, into the microfluidic/millifluidic system; and optionally introducing toluene into the microfluidic/millifluidic system; then observing the presence or absence of asphaltene aggregation within the microfluidic/millifluidic system.

摘要翻译： 公开了确定沥青质沉积抑制剂在油田应用中的有效性的方法。 这些方法通常包括将油井流体引入微流体/微流体系统的步骤; 将沥青质沉积抑制剂和载体的混合物引入到微流体/微流体系统中; 将典型地包含庚烷的沉淀剂引入到微流体/微流体系统中; 并任选地将甲苯引入微流体/微流体系统中; 然后观察微流体/微流体系统内沥青质聚集的存在或不存在。

公开(公告)号：US07572931B2

公开(公告)日：2009-08-11

申请号：US11977620

申请日：2007-10-25

申请人： Leo Zhaoqing Liu ,  Gary Woodward

发明人： Leo Zhaoqing Liu ,  Gary Woodward

IPC分类号： C07F9/22

CPC分类号： C07F9/34 ,  C07F9/301

摘要： An improved process for production of dialkyldithiophosphinic acid including sulfurizing a purified dialkylphosphinic acid by: reacting a hypophosphorous acid or salt with a stoichiometric excess of an alpha olefin in the presence of a free radical initiator to form a reaction product comprising monoalkylphosphinic acid and dialkylphosphinic acid; adding sufficient aqueous base to the reaction product to i) form the salts of the phosphinic acids, and ii) establish an aqueous phase and an organic phase, wherein a monoalkylphosphinic acid solubilizes into an aqueous phase; separating the organic phase from the aqueous phase; acidifying the organic phase and removing the olefin from the organic phase; isolating the purified dialkylphosphinic acid product; and sulfurizing the purified dialkylphosphinic acid product to form a dialkydithiophosphinic acid. The present invention also provides a process for preparing purified dialkylthiophosphinic chloride, and a process for preparing purified dialkylmonothiophosphinic acids.

摘要翻译： 一种制备二烷基二硫代次膦酸的改进方法，包括通过以下方法硫化纯化的二烷基次膦酸：在自由基引发剂的存在下使次磷酸或盐与化学计量过量的α-烯烃反应形成包含单烷基次膦酸和二烷基次膦酸的反应产物; 向反应产物中加入足够的碱水溶液以i）形成次膦酸的盐，和ii）建立水相和有机相，其中单烷基次膦酸溶于水相中; 从水相中分离有机相; 酸化有机相并从有机相中除去烯烃; 分离纯化的二烷基次膦酸产物; 并将纯化的二烷基次膦酸产物硫化以形成二烷基次膦酸。 本发明还提供了一种制备纯化的二烷基硫代次膦酸氯化物的方法和一种制备纯化的二烷基硫代次膦酸的方法。

公开(公告)号：US20060098849A1

公开(公告)日：2006-05-11

申请号：US11269476

申请日：2005-11-07

申请人： Gary Woodward

发明人： Gary Woodward

IPC分类号： G06K9/00

CPC分类号： G07C9/00087 ,  G06Q20/206 ,  G06Q20/341 ,  G06Q20/40145 ,  G07F7/02 ,  G07F7/1008

摘要： An integrated intelligent finger scanner is used for reducing fraud in a healthcare program intended to exclusively benefit eligible individuals. The scanner has a finger scanner for acquiring the image of a finger, and data processing means for encoding the acquired image into biometric candidate data and for comparing the biometric candidate data with other data. The method includes: (a) receiving, from a service seeker, memory means containing stored information comprising biometric reference data of an eligible individual; (b) reading, with a POS terminal having a memory means reader, the stored biometric reference data of the eligible individual from the memory means; (c) transmitting the read biometric reference data from the POS terminal to the integrated intelligent finger scanner operably connected to the POS terminal; (d) scanning, with the integrated intelligent finger scanner, a finger of the service seeker, so as to produce finger scan data; (e) processing the produced finger scan data to create biometric candidate data; (f) comparing the read biometric reference data with the created biometric candidate data; (g) ascertaining the degree of correspondence between the read biometric reference data and the created biometric candidate data; and (h) deciding whether the service seeker is the eligible individual based upon the degree of correspondence between the read biometric reference data and the created biometric candidate data.

摘要翻译： 集成的智能手指扫描仪用于减少旨在专利地使合格个人受益的保健计划中的欺诈。 扫描器具有用于获取手指图像的手指扫描器，以及用于将所获取的图像编码为生物特征候选数据并将生物特征候选数据与其他数据进行比较的数据处理装置。 该方法包括：（a）从服务寻求者接收包含存储信息的存储装置，所述存储信息包括合格个人的生物特征参考数据; （b）利用具有存储装置读取器的POS终端从存储装置读取所存储的符合条件个人的生物特征参考数据; （c）将读取的生物测定参考数据从POS终端发送到可操作地连接到POS终端的集成智能手指扫描器; （d）用集成的智能手指扫描仪扫描服务寻人者的手指，以产生手指扫描数据; （e）处理产生的手指扫描数据以创建生物特征候选数据; （f）将读取的生物测定参考数据与创建的生物特征候选数据进行比较; （g）确定读取的生物测定参考数据与所创建的生物特征候选数据之间的对应程度; 以及（h）基于所读取的生物测定参考数据和所生成的生物特征候选数据之间的对应程度来决定服务寻求者是否是符合条件的个体。

公开(公告)号：US5088924A

公开(公告)日：1992-02-18

申请号：US576272

申请日：1990-08-31

申请人： Gary Woodward

发明人： Gary Woodward

IPC分类号： A61B1/24 ,  A61C1/08 ,  A61C1/18

CPC分类号： A61B1/24 ,  A61C1/088 ,  A61C1/18

摘要： A fiberoptic dental headpiece hose assembly has a smooth-walled, aseptic outer tubing that contains a plurality of internal components to provide drive air, an exhaust line, chip air and coolant water to the dental handpiece. The fiberoptic handpiece hose assembly is field-serviceable due to the rearend release connection of the outer tubing to the swivel assembly. This permits access to the internal components to allow repairs to be made in the dentist's office. The fiber-optic bundle is made from an acrylic material and the adapter is made generally from plastic to reduce the overall weight of the assembly and to improve the reliability and service life of the assembly.

摘要翻译： 纤维牙科头管软管组件具有平滑壁的无菌外管，其包含多个内部部件，以向牙齿手柄提供驱动空气，排气管线，切屑空气和冷却水。 光纤手机软管组件由于外部管道与旋转组件的重新释放连接而可现场维修。 这允许进入内部组件，以便在牙医办公室进行维修。 光纤束由丙烯酸材料制成，并且适配器通常由塑料制成，以减少组件的总体重量并提高组件的可靠性和使用寿命。

公开(公告)号：US08828914B2

公开(公告)日：2014-09-09

申请号：US12658653

申请日：2010-02-12

申请人： Subramanian Kesavan ,  Gary Woodward ,  Adedamola Adedeji ,  Timothy Curtis ,  Francis Smith

发明人： Subramanian Kesavan ,  Gary Woodward ,  Adedamola Adedeji ,  Timothy Curtis ,  Francis Smith

IPC分类号： C09K8/22 ,  C09K8/68 ,  C09K8/60 ,  C09K8/88

CPC分类号： C09K8/68 ,  C08B37/0096 ,  C09K8/605 ,  C09K8/88 ,  Y10S507/92

摘要： A method of controlling or arresting the rate of depolymerization of a polymer composition during a biocide treatment by controlling the pH of the composition, and use of such methods in oilfield applications.

摘要翻译： 通过控制组合物的pH控制或阻止聚合物组合物在杀生物剂处理期间的解聚速率的方法，以及在油田应用中使用这些方法。

公开(公告)号：US08215398B2

公开(公告)日：2012-07-10

申请号：US12151560

申请日：2008-07-07

申请人： Subramanian Kesavan ,  Gary Woodward ,  Floryan Decampo

发明人： Subramanian Kesavan ,  Gary Woodward ,  Floryan Decampo

IPC分类号： E21B21/00

CPC分类号： C07H3/00 ,  C02F5/10 ,  C02F2103/08 ,  C02F2103/10 ,  C08B37/0096 ,  C08L5/00 ,  C09K8/528

摘要： A depolymerized-carboxyalkyl polysaccharide formed by de polymerizing a polysaccharide having from 0.5 to 3.0 degrees of substitution and reducing the molecular weight of said polysaccharide before or after said depolymerizing provides a biodegradable scale inhibitor useful to prevent deposition of scale comprising, for example, calcium, barium, sulfate and salts thereof. The depolymerized carboxyalkyl polysaccharide is particularly useful in off shore oil production squeeze treatments and in the treatment of scale formed in industrial water treatment.

摘要翻译： 通过使具有0.5至3.0度取代度并在所述解聚之前或之后降低所述多糖的分子量的多糖形成的解聚羧基烷基多糖提供了可用于防止沉积包含例如钙， 钡，硫酸盐及其盐。 解聚的羧基烷基多糖特别可用于离岸油生产挤压处理和在工业水处理中形成的垢中的处理。