baber/WOPTO huggingface dataset:
Patent CN-113742298-B (CN)
Title: 一种机载二进制文件通用并行的解析方法、装置及电子设备
IPC: G06F16/16
Filed: 2021-11-04
Granted: 2022-03-08
Abstract: 本发明提供一种机载二进制文件通用并行的解析方法、装置及电子设备，涉及计算机数据处理技术领域；其方法包括分别配置不同文件类型二进制文件的存储结构，包括配置二进制文件的文件头、包含的数据块，以及数据块的数据结构、数据类型和转换函数；根据配置信息读取数据块，附加主题信息和时间戳标签后发送至消息队列，以便消息队列的消费端并行获取队列中的数据块，并根据主题信息获取数据块的数据结构、数据类型及其对应的转换函数，解析数据并保存至文本文件。通过图形化配置实现自定义文件解析规则，实现对不同机型的二进制文件的通用化并行解析；并采用消息队列将二进制文件解析分解为数据块生产和数据解析消费，极大的缩短大文件解析时间。
Patent CN-113870990-B (CN)
Title: 基于spd模式的医用耗材供应商动态管理方法及系统
IPC: G06Q30/02
Filed: 2021-12-02
Granted: 2022-03-01
Abstract: 本申请公开了一种基于SPD模式的医用耗材供应商动态管理方法及系统，其中方法包括以下步骤：获取医疗站点管理用户通过第一终端发送的供应商定制请求；供应商定制请求包括耗材信息、限定信息及定制信息；从汇总供应商数据库中查询与耗材信息及限定信息符合的第一目标供应商信息；按定制信息对各个第一目标供应商信息进行匹配分值计算；按匹配分值从高至低对第一目标供应商信息进行排序；确定第一最终供应商信息；将第一最终供应商信息存入与医疗站点对应的站点供应商数据库。本申请提供了基于医疗站点用于的定制要求而进行智能选择的供应商管理方法，给医疗站点的供应商选择提供了便捷性，节约了劳动力。
Patent CN-113979504-B (CN)
IPC: C02F103/08
Filed: 2021-12-27
Granted: 2022-03-25
Abstract: 一种基于松树形仿生结构设计的太阳能界面蒸发器，包括支撑结构、梯级输水通道结构和界面蒸发结构，梯级输水通道结构支撑在支撑结构上，梯级输水通道结构的下侧设置在支撑结构的下方并与待处理水源接触、上侧设置在支撑结构的上方且其上安装有界面蒸发结构，梯级输水通道结构包括相互连通的多级输水结构，每级输水结构从下至上直径逐级减小，界面蒸发结构包括多层蒸发盘，多层蒸发盘的面积从下至上依次减小，蒸发盘按照面积从大到小分别对应安装在直径从大到小的输水结构上，蒸发盘与输水结构连通。本发明通过多个双层圆盘的界面蒸发结构以及多级圆柱状结构的梯级输水通道结构的配合设置，实现水的梯级输运和蒸发，从而实现高效太阳能界面蒸发。
Patent CN-114334749-B (CN)
Title: 塑封器件的开封方法
IPC: H01L21/67
Filed: 2022-03-09
Granted: 2022-06-14
Abstract: 本申请涉及一种塑封器件的开封方法，用于对塑封器件的封装层进行开封，包括：于封装层表面形成开槽；于开槽内加入第一反应液与第二反应液，第一反应液与第二反应液发生化学反应以对封装层进行开封。本申请塑封器件的开封方法，不仅能够成功且较快地对塑封器件进行开封，而且有效改善了开封效果。
Patent CN-114412807-B (CN)
Title: 箱式低噪声厨房专用风机
IPC: F04D25/08
Filed: 2022-03-31
Granted: 2022-06-07
Abstract: 本发明涉及风机技术领域，特别涉及箱式低噪声厨房专用风机，其包括蜗壳、动力组件、隔音箱、风叶轮、出风口密封件及导风件；蜗壳包括螺旋板以及蜗壳侧板；蜗壳设置有与螺旋板的内腔连通的出风槽；蜗壳侧板开设有集风口；风叶轮至少部分位于螺旋板内；隔音箱设置有前出风口以及后进风口，蜗壳固定在隔音箱内，集风口与隔音箱的内腔连通，出风槽与前出风口连通；动力组件与风叶轮驱动连接；隔音箱包括开设有漏油口的底封板；出风口密封件能够关闭前出风口，螺旋板开设有与出风槽连通的第二出风口；导风件设置有导风入口以及导风出口，导风入口与第二出风口连通，导风出口朝向底封板以及漏油口。本发明能够提高油污清除效果和清除速度。
Patent GE-P19960373-B (GE)
Title: Method for Processing of Sulfide Arsenic into Arsenic Oxide
Inventor: GELASHVILI ASLAT
IPC: C01G28/00
Filed: 1992-07-02
Abstract: This invention refers to chemistry, in particular to mining chemistry technology and can be used in the field of production of arsenic oxide (arsenic white).    Technical result is to simplify the technology of the production of arsenic oxide from sulfide ore sudden decrease in the consumption of reactives and improving ecological environment in the production zone.    The method comprises ore roasting and isolating of arsenic oxide from gases obtained under (55-70)%-solution of nitric acid.
Patent GE-P19960493-B (GE)
Title: Electric joining device
Inventor: EJSTA JAMES EDVARD
IPC: H01R4/24
Filed: 1993-07-07
Abstract: Invention refers to the electrical engineer, namely to the electric connectors providing the joint with isolated wires.         Technical result of the invention is decrease of overall size.  A connector having an insulating body formed with a plurality of parallel wire support channels, each of the channels being formed with a transverse step defining upper and lower wire support levels. The adjacent channels are formed with steps rising in opposite directions to position a lower wire support level between two upper wire support levels. A bifurcate spring compression reserve contact element extends through an aperture in each of the lower wire support levels and a cover formed with channels complementary to those on the body is retained on the body to support, retain and make electrical connection to wires in the channels.
Patent GE-P19980884-B (GE)
Title: Method for Yeasting of Bean Crops Seeds
Inventor: PAPAVA SHAVLA
IPC: A01C1/06
Filed: 1995-11-13
Abstract: This invention refers to agriculture, in particular to inoculation of bean crops seeds by method of yeasting.     Technical result of the invention is to increase bean crops productivity The method comprises moistening bean seeds by water and then by 30% solution of polyvinil alcohol, introducing micro and macro fertilizers together with seeds, with this, as micro-fertilizers boric acid, molybdenum acid ammonia salt, sulfuric zinc and additionally thermally modified diatomite are used and then rizotorphin is added to seeds.    1 Tabl.
Patent GE-P19991823-B (GE)
Title: The Method of Evaluating the Level of Ecological Safety of Chemical Pesticides Functioning
Inventor: GLIGVASHVILI GELA
IPC: A61K39/00
Filed: 1998-10-30
Abstract: Increasing the accuracy while evaluating the level of ecological safety of chemical pesticides functioning.          2. Essence The method includes determining the quantity and type of chemical pesticides used to obtain agricultural products, distinguishing main indica¬tors of lethality (LD) of chemical pesticides, eva¬luation of additive effect of chemical pesticides based on the indicators of maximally allowable quantity and evaluation of the level of ecological safety is conducted with the formula, where:                             K=   P x M 1+n K - coefficient of evaluation of ecological impact of pesticides.     P = P1 + P2 +...+Pn         -       1+n - coefficient of additive outcome of the toxic features of various pesticides. M - maximally allowable quantities of various pesticides.  3. Field of Application Food industry and health care, sanitary-hygi¬ene in particular.
Patent GE-P20053610-B (GE)
Title: Pediatric Formulation Of Gatifloxacin
Inventor: RAGHAVAN KRISHNASWAMY S
IPC: C07D401/10
Filed: 2002-05-10
Abstract: 1. Technical Result Improvement of therapeutically acceptable form of pharmaceutical composition. 2. Essence A pharmaceutical composition designed for oral administration in the form of aqueous suspension comprises crystalline co-precipitate and pharmaceutically acceptable excipient, in which the crystalline co-precipitate is a co-precipitate of gatifloxacin and fatty acid, in particular stearic acid and palmitic acid and the mixture thereof, in which the proportion of gatifloxacin and fatty acid makes 1:1,8-1:2,3. Said proportion provides masking of bitter taste of gatifloxacin so that it can be utilized for pediatric formulations. 3. Field of Application Medicine.
Patent GE-P20094579-B (GE)
Title: Projection apparatus and method for pepper’s ghost illusion
Inventor: ROCK JAMES
IPC: G03B21/28
Filed: 2004-04-01
Abstract: An image projection apparatus comprises a projector 106, a frame 108, and a partially transparent screen 110. The frame retains the screen 110 under tension, such that the screen 110 is inclined at an angle with respect to a plane of emission of light from the projector 106. The screen has a front surface arranged such that light emitted from the projector 106 is reflected therefrom. The projector projects an image such that light forming the image impinges upon the screen such that a virtual image is created from light reflected from the screen.
Patent GE-P20186849-B (GE)
Title: Trans-4-{2-[4-(2,3-dichlorophenyl)-piperazin-1-yl]-ethyl}-n,n-dimethyl- carbamoyl-cyclohexylamine for treating negative symptoms of schizophrenia
Inventor: RICHTER GEDEON VEGYESZETI GYAR RT
IPC: A61P25/18
Filed: 2013-11-28
Abstract: Present invention relates to cariprazine and pharmaceutically acceptable salts, hydrates, solvates and polymorphs therefor use in the treatment of primary negative symptoms of schizophrenia and/or predominantly negative symptoms of schizophrenia.
Patent GE-P20186938-B (GE)
Title: Indolizine derivatives as phoshoinositide 3-kinases inhibitors
Inventor: CHIESI FARMACEUTICI S P A
IPC: C07D487/04
Filed: 2015-06-16
Abstract: Compound of formula (I), (I) values of R, R1, R2, R3, R4, X1, X2, X3, X4, Z, Cy substitutes and n, m, p variables are provided in the claims or pharmaceutically acceptable salt, and pharmaceutical composition on a basis thereof, and their usage at disorders treatment related to P13K enzyme mechanisms, such as respiratory diseases, viral and nonviral infections, etc. Table: 	9
Patent CA-1264134-C (CA)
Title: Ostomy appliance
Inventor: STEER PETER L
IPC: A61F5/449
Filed: 1984-12-19
Granted: 1990-01-02
Abstract: XF34 ABSTRACT OSTOMY APPLIANCE An ostomy appliance comprises a body-attachable pad of skin-compatible adhesive material having a stomal orifice, and means whereby a plurality of ostomy bags can be attached in sequence to the pad by exposing a fresh region of adhesive each time it is desired to attach a clean ostomy bag.
Patent CA-1293150-C (CA)
Title: Process for producing packaged fish or meat paste products
Inventor: TOYOTA TAKESHI
IPC: A23L27/23
Filed: 1986-04-25
Granted: 1991-12-17
Abstract: Abstract of the Disclosure In production of packaged fish or meat paste products, a seasoning process using a liquid containing water-soluble 5'-ribonucleotide is added between cooking process and packaging process.  The products thus obtained have an eminently favorable taste due to taste-improving 5'-ribonucleotide, and can be stored with said 5'-ribonucleotide kept in a stable condition.
Patent CA-1301885-C (CA)
Inventor: DOLENC HEINZ C
IPC: B41J5/10
Filed: 1986-07-23
Granted: 1992-05-26
Abstract: ABSTRACT   A  self-contained   data  terminal  or  typewriter  keyboard  completely operable by  a single human hand for the input of information into a computer or other  electronic device.  The keyboard  comprises five sets of keys, each set aligned  respectively with  the thumb,  index finger, middle finger, ring finger, and  small finger  of an extended hand. Complementary orientation and positioning of  the sets are determined by whether the terminal is to be used by a  right-handed or  left-handed user.  The control  keys may  be  used  to manipulate text or other information entered into the attached device and are operated by the thumb. The character keys consist primarily of letters of the alphabet,  numbers,  and  punctuation  sets  and  are  positioned  below  the remaining four  fingers. The  terminal is  operated  in  a  single  keystroke character input  mode. Several  data control  keys can also be mounted to the terminal to  perform additional  text manipulation  functions, similar to the control keys,  or any  other necessary  commands. By  using single keystroke input keys  according to  the present  invention, data  input is  faster  and easier than  with conventional  terminals because only one hand is necessary, and there are fewer and less complex character input commands to memorize.
Patent CA-1304914-C (CA)
Title: Reduction of nitrogen- and carbon-based pollutants through the use of urea solutions
Inventor: BOWERS WAYNE E
IPC: C01B21/00
Filed: 1986-10-06
Granted: 1992-07-14
Abstract: REDUCTION OF NITROGEN- AND CARBON-BASED POLLUTANTS THROUGH THE USE OF UREA SOLUTIONS                         ABSTRACT      Disclosed is a process for reducing nitrogen oxides  in  an  effluent  from the combustion of a carbonaceous fuel under oxygen-rich conditions which minimize the production of carbon-based pollutants. A dispersion of a dilute aqueous urea solution is injected into an effluent at a temperature above 2000°F,   and   preferably   above 2100°F.   The concentration of the urea in solution and the size of the droplets in the dispersion are selected to provide  the  reduction  in  nitrogen  oxides.   The solution will preferably contain at least 80% by weight solvent and contain droplets sized within the range of from 150 to 10,000 microns.
Patent CA-1280067-C (CA)
Title: Honeycomb structure
Inventor: ANDERSON RICHARD N
IPC: B31D3/02
Filed: 1986-11-06
Granted: 1991-02-12
Abstract: ABSTRACT           An expandible honeycomb structure such as used for window coverings made of a foldable material which, in the expanding condition, defines a plurality of longitudinal extending cells, one on top of the other.  The material of each cell is adhered to the adjacent cell along at least one portion in which the material is less permeable than the remainder of the material forming the cell to prevent seeping or bleeding of the adhesive.
Patent CA-1331744-C (CA)
Inventor: YAMAGUCHI YASUHIRO
IPC: C25D7/06
Filed: 1986-11-27
Granted: 1994-08-30
Abstract: ABSTRACT OF THE DISCLOSURE      An apparatus for plating a metal strip in an electrolytic cell  is provided with a supporting roll. The support roll  is disposed apart from the deflector rolls by a predetermined distance and supports the metal strip in such a way that the catenary of the metal strip can be reduced.  The distance is determined so that the catenary is 0.04 or less times (of) the distance between upper and lower  electrodes in the electrolytic cell. When the metal strip is a steel plate having a density of  7.85  x  10-6  (kg/mm3),  the predetermined distance ? (mm) between the axis of the deflector roll and that of  the  supporting  roll  is  subject  to  the  following formula:                      in  which  the  distance  between  the  upper  and  lower electrodes is  .DELTA.D (mm), the thickness of the metal strip being t  (mm).  the width thereof being W (mm) and the tension applied to the metal strip being T (kg).
Patent CA-1277254-C (CA)
Title: High-speed water separator
Inventor: VON BOECKH PETER
IPC: F01D25/32
Filed: 1986-12-17
Granted: 1990-12-04
Abstract: Abstract The high-speed separator has a blade row (2) in the bend plane of a pipe elbow (3).  The pressure side of the hollow deflection blades (5) has rows of suction openings (6, 7) which are covered by cover strips (8, 9) and through which condensate and transport steam are drawn off into the inside of the blade and pass further via channels (24, 26) in the deflection blades (5) and via an outer housing (11) into a channel (25) of the blades (5), from where the transport steam freed of conden-sate is drawn off into the main steam flow through rows of suction openings (15) at the suction side of the blades which are likewise covered by cover strips (16).
Patent CA-1265131-C (CA)
Title: Derivatives of erythromycylamine
Inventor: BONJOUKLIAN ROSANNE
IPC: C07H17/00
Filed: 1987-01-27
Granted: 1990-01-30
Abstract: Abstract New 9-N-substituted derivatives of erythro-mycylamine, with superior oral activity against Gram-positive pathogens, are provided.
Patent CA-1305445-C (CA)
Inventor: OSTERBURG GUENTHER
IPC: B01D3/34
Filed: 1987-02-25
Granted: 1992-07-21
Abstract: PROCESS FOR THE CONTINUOUS SEPARATION OF WATER FROM MIXTURES WITH ORGANIC SUBSTANCES                    (D#71,200-DTA-182 -F) ABSTRACT OF THE INVENTION          In the distillative purification or splittling-up of organic substances or mixtures of substances which have only limited capability of absorbing water and which, with water boil as azeotropes or,being not able to form azeotropes with water,boil higher than water, the water con-tained therein is continuously separated by effect-ing, in the distillation column, the separation of water under distillation conditions by the pre-sence of one or mor substances boiling overhead and reducing the capacity of taking in water in the organic substances or mixtures of substances to be purified, and by separating the nonvaporized water, wholly or in part, below the product feeding point already and withdrawing it at the side of the distillation column.
Patent CA-1340150-C (CA)
Inventor: KOHNO TOSHIHIKO
IPC: G03G9/10
Filed: 1987-04-06
Granted: 1998-12-01
Abstract: An electrophotographic carrier material comprising a spherical core of hematite-containing magnetite and a resinous coating layer applied thereon is provided.  The carrier material exhibits good copying characteristics, an improved durability and an enhanced stability to the environmental factors such as humidity.  The carrier material may have an appropriate electrical resistivity by virtue of the presence of the hematite and the resinous coating layer.
Patent CA-1282440-C (CA)
Title: Playground slide
Inventor: AHRENS PAUL W
IPC: A63G21/10
Filed: 1987-07-27
Granted: 1991-04-02
Abstract: ABSTRACT OF THE DISCLOSURE   A spiral slide includes interconnected bedway sections each of which are hollow and include as an integral part of the section body a sleeve telescopically engaging a ground support post.  Fasteners interconnect the end-to-end bedway sections and are disposed on the interior of these sections and are accessible through capped openings.  Fasteners may be formed as an integral part of the end wall.  A fastener recess may be formed on the bottom side of the bedway section by the bottom wall converging upwardly towards the top wall to form a connecting flange with the fastener recess being between the flange and the bottom wall.
Patent CA-1312989-C (CA)
Title: Bulking pigments
Inventor: NEMEH SAAD
IPC: D21H17/44
Filed: 1987-08-25
Granted: 1993-01-19
Abstract: ABSTRACT A highly bulked kaolin pigment is prepared by mixing a small but effective amount of a water-soluble  cationic polyelectrolyte flocculant with a kaolin clay pigment in the presence of water to prepare a bulked clay pigment product.  Upon dewatering, the resultant polyelectrolyte treated clay product can be dispersed to form high solids clay-water slurries useful in making aqueous coating colors suitable for manufacturing coating lightweight publication papers or the pigment can be used as a filler for paper webs.  Slurries having stable viscosity at elevated temperature are prepared by using as the dispersant a combination of a polyacrylate salt and a nonionic surfactant.
Patent CA-1274609-C (CA)
Title: Sobriety interlock with time-locked interlock mode
Inventor: COLLIER DONALD W
IPC: B60K28/06
Filed: 1987-09-02
Granted: 1990-09-25
Abstract: ABSTRACT SOBRIETY INTERLOCK WITH TIME-LOCKED INTERLOCK MODE A sobriety interlock for a machine such as a vehicle operates in either an INTERLOCK mode or a BYPASS mode. In the INTERLOCK mode, a breath sobriety test must be passed before the machine can be started, while in the BYPASS mode, a breath test is not required to start the machine. When the system is powered up, it operates in the INTERLOCK mode for a predetermined period, preferably about 12 hours before automatically beginning operation in the BYPASS mode. From the BYPASS mode, INTERLOCK mode operatian can be selected at any time by actuating a switch which locks in INTERLOCK mode operation for at least the predetermined period of time.
Patent CA-1327791-C (CA)
Inventor: COOK C EDGAR
IPC: C07J51/00
Filed: 1987-09-17
Granted: 1994-03-15
Abstract: ABSTRACT OF THE DISCLOSURE          Steroids of the formula:                      (II)                  (.DELTA.'OPTIONAL) (III)                 (IV) which are characterized by a 17.alpha.-cyanomethyl, azidomethyl, methoxymethyl, phenylmethyl, or ethynylmethyl substituent and a 17.beta.-hydroxy/-esterified hydroxy substituent.  The steroids of this invention have glucocorticoid, anti-glucocorticoid, progestational, or anti-progestational activity, depending on the particular structure.
Patent CA-1311484-C (CA)
Title: Substituted 2,3,4,9-tetrahydro-1h-carbazole-1-acetic acid
Inventor: HUGHES PHILIP F
IPC: C07D209/86
Filed: 1987-10-08
Granted: 1992-12-15
Abstract: ABSTRACT     Substituted      2,3,4,9-tetrahydro-1H-carbazole-1-acetic acid derivatives and methods for their prepa-ration  and  use  are  disclosed.    The  compounds  are useful   analgesic   and   anti-inflammatory   agents. The compounds have the structure                 (I) wherein R1 is lower alkyl containing 1 to 4 carbon atoms and R, R2, R3 and R4 are independently selected from  the  group  consisting  of  hydrogen  and  lower alkyl containing 1 to 4 carbon atoms and the pharma-ceutically acceptable salts thereof.
Patent CA-1289486-C (CA)
Title: Hose with composite joints
Inventor: RICHARDS TOBY D
IPC: B29C53/78
Filed: 1987-10-28
Granted: 1991-09-24
Abstract: ABSTRACT OF THE DISCLOSURE         The  elongated  members  used  in  making  a  spiral wound  hose  are  formed  from  a  relatively  high  melting structural material but provided with a more readily fusible melting buffer material, typically as a thin layer overlying the structural material.       A flexible plastic hose apparatus is constructed by  spirally  winding  elongated  members.    The  elongated members are formed from a relatively high melting structural material, but provided with a more readily fusible melting buffer material.   This buffer material is typically a thin layer  overlying  the structural  material.   Molten  bonding material  is  applied  to  the  elongated members  during  the spiral winding process and such material bonds well with the buffer  material.    The  hose  so  constructed  has  enhanced structural strength and integrity.
Patent CA-1320636-C (CA)
Title: Identification tag
Inventor: JOWSEY CLIFFORD G
IPC: A01K11/00
Filed: 1987-10-30
Granted: 1993-07-27
Abstract: ABSTRACT     An identification tag has a body portion 2 and a strap portion 3. An upstanding indicia portion 4 is maintained in a non-rotatable position relative to the strap portion 3 by the engagement of a projection 12A on tab 12 with a key-way at the bottom of recess 14 alongside the bore 21 in one end of the strap portion 13. The enlarged and pointed end 7 of the shank 5 extends through both of the aligned bores 21 when the strap portion 3 is doubled over to engage behind the second bore 21. The end 7 is also driven through the animal's ear by the applicator's driving pin being accomodated in the bore 8 in the shank 5. In this way the driving pin does not come into contact with the animal's tissue so avoiding cross-infection between animals.
Patent CA-1308565-C (CA)
Title: Programmable key and improved lock assembly
Inventor: STINAR ROBERT P
IPC: E05B19/00
Filed: 1987-01-14
Granted: 1992-10-13
Abstract: The present inventions relates to the field of security devices and more specifically to the area of key locks.          Recently, several concepts have been patented in which a conventional tumbler actuating key is combined with an auxiliary coding mechanism in order to provide a higher degree of security by increasing the number of codes beyond those available on conventional tumbler actuated keys.          In U.S. Patent No. 4,200,227, a conventional tumbler actuating key is described as containing a coded electrical circuit that is responsive to short wave radiation.  The circuit is embedded within a plastic assembly that is welded or otherwise bonded to the key handle so that the electrical circuit is isolated away from the surface of the key.          In U.S. Patent No. 4,298,792, a conventional key is shown as containing a coded track along its shank.  The key is shown to contain a single code track composed of alternating light and dark fields that are read by sensors in the vicinity of the receiving aperture of the lock.  The sensors read the track as the key is inserted into the lock.          In U.S. Patent No. 4,366,466, the use of a conventional key is described, which additionally includes a housing for a data carrier.  The data carrier is described as containing information on, for example, a recording tape, a recording wire, an optically scannable medium or other conventional medium.  The data carrier is further said to include either an unerasable portion containing data reflecting vehicle-related information or an erasable portion containing arbitrary information.
Patent CA-1316174-C (CA)
Title: Process for the preparation of chromogenic cryptahemispherands
Inventor: CZECH BRONISLAW P
IPC: C07D498/08
Filed: 1988-01-27
Granted: 1993-04-13
Abstract: ABSTRACT OF THE DISCLOSURE       The invention relates to a process in which a variety of cryptahemispherands bearing a chromogenic group attached to the partially preorganized moiety may be synthesized.  The procedure of the present invention allows preparation of preferred chromogenic cryptanhemispherands of the general formula:       wherein:    R, is same or different, is hydrogen, lower alkyl, lower alkylidene, lower alkenyl, allyl, aryl or benzyl;     R', same or different, is lower alkyl, lower alkylidene, lower alkenyl, allyl, aryl, or benzyl;          R", same or different, is hydrogen, lower alkyl, lower alkylidene, lower alkenyl, allyl, aryl, or benzyl;          Z is halogen, Y is an electron withdrawing group, e.g., CN, NO2, CF3, COOR; m is 1 to about 3; n is 1 to about 3; a is 1 to about 3; b is 1 to about 3; k is 1 to about 3; l is 1 to about 3; and x is 2 to 4.