baber/WOPTO huggingface dataset:
Patent KR-20100047294-A (KR)
Title: Derivatives of 1-oxo-1,2-dihydroisoquinoline-5-carboxamides and of 4-oxo-3,4-dihydroquinazoline-8-carboxamides, preparation thereof and application thereof in therapeutics
Inventor: EVERS MICHEL
IPC: A61K31/472
Filed: 2008-07-25
Abstract: The invention relates to the derivatives of 1-oxo-1,2-dihydro-isoquinoline-5-carboxamides and of 4-oxo-3,4-dihydroquinazoline-8-carboxamides, of general formula (I) in which: R1 represents a hydrogen atom, a (C-C)alkyl, (C-C)cycloalkyl, (CH)-(C-C)alkenyl, (CH)-(C-C)alkynyl or (C-C)alkyl-Z-(C-C)alkyl group in which Z represents a heteroatom chosen from O, N and S(O), or else R1 represents a COOR or S(O)R group, an aryl or an aralkyl, the (C-C)alkyl, (C-C)cycloalkyl, (CH)-(C-C)alkenyl, (CH)-(C-C)alkynyl, (C-C)alkyl-Z-(C-C)alkyl, aryl or aralkyl groups; R2 represents one or more groups chosen from a hydrogen atom, a halogen atom, a (C-C)alkyl, (C-C)cycloalkyl, (C-C)alkenyl, (C-C)alkynyl or (C-C)alkyl-Z-(C-C)alkyl group, in which Z represents a heteroatom chosen from O, N and S(O), or else R2 represents a halo(C-C)alkyl, halo(C-C)alkoxy, hydroxy, (C-C)alkoxy, nitro, cyano or amino group, an NR7R8, COOR, CONR7R8, OCO(C-C)alkyl or S(O)-NR7R8 group, or an aryl group; R4 and R5 represent, independently of one another, a hydrogen atom, or else R4 and R5 form, with the carbon atom which bears them, a saturated ring containing from 3 to 6 carbon atoms and optionally containing from 0 to 1 heteroatoms chosen from O, N or S; R6 represents a group chosen from a hydrogen atom, a halogen atom, a (C-C)alkyl, (C-C)cycloalkyl or (C-C)cycloalkyl(C-C)alkyl group, a halo(C-C)alkyl, nitro or amino group, an NR7R8 or COOR group, an NR7(SO)R8 or CONR7R8 group, or an aryl group; X represents a carbon atom or a nitrogen atom; m represents an integer between 0 and 2 and n represents an integer between 1 and 6. Method of preparation and application in therapeutics.
Patent KR-20100053614-A (KR)
Title: Stage for substrate temperature control apparatus
Inventor: BANDOH KENICHI
IPC: H05B3/68
Filed: 2008-12-15
Abstract: A stage for a substrate temperature control apparatus is provided, and with such stage, expansion of transient temperature distribution generated while heating or cooling the substrate is reduced compared with conventional stages. The stage for a substrate temperature control apparatus is to be used for placing a substrate, which has a prescribed diameter, at a prescribed position on the substrate temperature control apparatus which controls the temperature of the substrate. The stage includes a plate whereupon a step section lower than the center section is formed in a region including a position which corresponds to the edge of the substrate on a first surface facing the substrate, and a temperature control section arranged on a second surface on the side opposite to a first surface of the plate.
Patent KR-20100066506-A (KR)
Title: Implant erecting drill tool, hand-piece, adapter for the hand-piece, and surgical guide
Inventor: KIM HAN JOON
IPC: A61C3/02
Filed: 2008-07-31
Abstract: Provided is an implanting hand-piece (12), in which a head (14) has a contour concentric to the center axis of a drill bar (17) and has a circumferential portion of predetermined lengths in the axial direction of the drill bar (17). A surgical guide (11) is equipped with a guide hole (13) confronting the circumferential portion of the head (14) and having a circular inner circumference portion. The head (14) can be drilled to match the guide hole (13) so that the head (14) can be guided uniformly and reliably to form a desired implant erecting hole. When the implant erecting hole is formed, therefore, it is possible to feed the implanting hand-piece capable of forming the implant erecting hole precisely and the surgical guide for guiding the hand-piece.
Patent KR-20100065325-A (KR)
Title: Polyester mixture with improved flowability and good mechanical properties
Inventor: METTLACH CLAUDIA
IPC: C08L69/00
Filed: 2008-08-13
Abstract: The invention relates to polyester mixtures comprising A) from 30 to 98% by weight of at least one thermoplastic aromatic polyester, B) from 0.01 to 15% by weight of B1) at least one highly branched or hyperbranched polycarbonate or B2) at least one highly branched or hyperbranched polyester or mixtures thereof, C) from 1 to 20% by weight of a polyester based on aliphatic and aromatic dicarboxylic acids and an aliphatic dihydroxyl compound, D) from 0 to 60% by weight of further additives, where the sum of the percentages by weight of components A) to D) adds up to 100%; to the use thereof, and to fibers, films and moldings obtainable from these polyester mixtures.
Patent KR-20100096060-A (KR)
Inventor: DOBSON JON
IPC: C12N15/87
Filed: 2008-09-10
Abstract: 본 발명은 하나 이상의 세포, 및 반응물에 부착된 하나 이상의 자성 감수성 입자를 할바흐 어레이의 자기장에 배치시켜 자성 감수성 입자가 세포로 유인되어 세포와 접촉되는 단계를 포함하는, 반응물의 세포로의 전달 방법을, 반응물의 전달을 위한 장치와 함께 개시한다.
Patent KR-20100061536-A (KR)
Title: A multi-stage axial combustion system
Inventor: CAI WEIDONG
IPC: F23R3/34
Filed: 2008-08-14
Abstract: A gas turbine combustion system is provided comprising a combustion chamber (16) having a central axis (44), a primary combustion stage located at a front end (32) of the combustion chamber (16) for injecting fuel, air, or mixtures thereof, substantially along the central axis (44), a plurality of secondary combustion stages (30A-D) spaced apart in flow series along a length of the combustion chamber (16), wherein each of the plurality of secondary combustion stages (30A-D) comprises a plurality of circumferentially-spaced secondary injectors (48) for injecting fuel, air, or mixtures thereof, toward the central axis (44), and wherein an internal diameter of the combustion chamber (16) decreases from at least a first one of the plurality of secondary combustion stages (30A-D) to at least a second one of the plurality of secondary combustion stages (30A-D).
Patent KR-20100085056-A (KR)
Title: Foamed dust-proofing material having micro-cellular structure
Inventor: KATO KAZUMICHI
IPC: C09K3/10
Filed: 2008-09-10
Abstract: The invention provides a dust-proofing material which has excellent dust-proofing properties and can follow even clearances of as minute as 0.10 to 0.20mm by virtue its excellent flexibility. The invention relates to a dust-proofing material constituted of a foam having a thickness of 0.1 to 1.0mm, characterized in that the foam has micro-cellular structure having a mean cell diameter of 10 to 65μm and exhibits such characteristics as to give a repulsive load of 0.010 to 0.100MPa when compressed to a thickness of 0.1mm and an apparent density of 0.01 to 0.050g/cm. It is preferable that the foam have either closed cell structure or semi-open and semi-closed cell structure. The foam may be provided with a pressure-sensitive adhesive layer on either or both of the sides. It is preferable that the pressure-sensitive adhesive layer be formed on the foam through a film layer.
Patent KR-20100093134-A (KR)
Inventor: POCKETT LACHLAN
IPC: G06T1/00
Filed: 2008-12-02
Abstract: 제 1 화상에 대한 화상 데이터 및 제 2 화상에 대한 화상 데이터에 공통하여 화상 처리가 적용된다.  또한 입체적인 표시를 위한 화상의 외관을 매칭하기 위한 기초로서 상기 제 1 화상에 대한 화상 데이터와 상기 제 2 화상에 대한 화상 데이터가 비교된다.  외관은, 현재의 한 쌍의 화상에 있어서 적어도 한 화상을 조정함으로써 및/또는 이후의 여러 쌍의 화상에 있어서 화상 데이터를 제공하는 적어도 하나의 화상 캡처 요소의 파라미터를 조정함으로써 매칭될 수 있다.
Patent KR-20100116588-A (KR)
Inventor: AOYAMA TAKAHISA
IPC: H04W74/08
Filed: 2009-01-30
Abstract: 기지국이 데이터를 소정의 지연시간내에 수신할 수 있도록 상기 기지국에 송신하는 데이터의 송신 타이밍을 조정하는 통신 단말기로서, 상기 기지국으로부터 송신되는 MAC 제어정보의 우선도를 수신하는 수신부(701)와, 상기 MAC 제어정보의 우선도와, DRB 및 SRB에 할당되어 있는 우선도와의 관계를 확정하는 우선도 제어부(703)와, 상기 우선도 제어부(703)에서 확정한 우선도의 관계에 따라, 우선도가 높은 정보를 먼저 송신하도록 제어하는 송신 메시지 생성부(704)를 구비한다. 이에 따르면, MAC 제어정보의 우선도와, DRB 및 SRB에 할당되어 있는 우선도를 비교함으로써, 어떤 정보를 송신할지를 자유롭게 제어할 수 있게 된다.
Patent KR-20110002063-A (KR)
Inventor: SU QI
IPC: G06Q50/00
Filed: 2009-02-25
Abstract: 신뢰할 수 있는 사용자 생성 콘텐트(UGC)에 액세스하는 방법이 제공된다.  하나 이상의 아이덴티티를 포함하는 사용자 등록 정보가 획득된다.  각 아이덴티티는 복수의 소셜 네트워크 사이트들 중 하나에 의해 촉진되는 인터넷 소셜 네트워크에 대응한다.  상이한 소셜 네트워크 사이트들에서의 제공된 사용자 아이덴티티들을 이용하여 소셜 관계들이 수집되고, 수집된 소셜 관계들을 결합하는 것에 의해 각 사용자에 대하여 사용자 확장된 소셜 네트워크들이 생성된다.  그 후, 복수의 소셜 네트워크 사이트들로부터 UGC가 수집되고 수집된 UGC는 확장된 소셜 네트워크들과 상관된다.  상관된 UGC는 요청하는 사용자의 사용자 구성에 따라 필터링되고, 그 후 요청하는 사용자에게 결과들이 제시된다.  온 디맨드로 정보를 획득하기 위한 검색 기능이 제공되거나, 다르게는, 사용자는 사용자의 확장된 소셜 네트워크에 관한 구성된 정보에 따라서 정보의 피드들을 수신한다.
Patent KR-20110018324-A (KR)
Inventor: MUNCK PETERSEN JENS CLAUS
IPC: C40B30/02
Filed: 2009-04-27
Abstract: 본 발명은 소르틸린 결정 및 상기 결정의 증대 방법을 제공한다.     본 발명은 또한 소르틸린의 결정 구조를 기초로 하는, 특이적 리간드의 설계 방법을 제공한다.     본 발명은 또한 중추 신경계 및 말초 신경계의 질환, 손상 또는 장애 치료용 약제의 제조를 위한 상기 리간드의 제조 및 용도에 관한 것이다.
Patent KR-20120079586-A (KR)
Title: Neuroprotective composition containing hmgb1-inhibitory heptamer peptide as an active ingredient
Inventor: LEE JA KYEONG
IPC: A61P25/00
Filed: 2011-01-05
Abstract: PURPOSE: A composition containing HIHP-2 for neuroprotection is provided to treat brain tissue injury and neurologic injury and to suppress microglia activation. CONSTITUTION: A pharmaceutical composition for preventing and treating ischemic brain diseases contains HIHP-2(HMGB1 inhibitory heptamer peptide-2) as an active ingredient. The HIHP-2 has an amino acid sequence of sequence number 1. The ischemic diseases are stroke, cerebral hemorrhage, cerebral infarction, head injury, Alzheimer, vascular dementia, Creutzfeldt-Jakob disease, or coma. A health food for preventing and treating ischemic brain diseases contains HIHP-2 as an active ingredient. The composition is manufactured in the form of powder, granule, tablet, capsule, soft capsule, suspension, emulsion, syrup, oral formulation of aerosol, external use formulation, suppository, and sterilized injection solution.
Patent KR-20120084857-A (KR)
Inventor: PARK SO HEE
IPC: F25D11/04
Filed: 2011-01-21
Abstract: 본 실시예에 의한 냉장고는 전원이 차단된 상태에서 증발기의 온도가 소정의 온도에 도달하게 될 때, 서모사이펀 내부의 작동유체가 융해되어 저장공간의 온도를 유지할 수 있도록 하는 것을 특징으로 한다. 이와 같은 구성을 가지는 냉장고는 단전시 고내의 온도를 유지하여 식품을 저장할 수 있는 이점이 있다.
Patent KR-20120085021-A (KR)
Title: Inspection equipment for optical detection module, using a prism
Inventor: PARK TAE HOON
IPC: G01N21/88
Filed: 2011-01-21
Abstract: PURPOSE: An optical detection module for an inspection device using a prism is provided to rapidly arrange components without additional devices for setting a module. CONSTITUTION: An optical detection module for an inspection device using a prism comprises a first prism block(200), a second prism block(300), and a detecting part(500). Two right angle prisms for reflecting images coming from the outside contact to the first prism block. At least one of a first block, a second block, and a third block is laminated on the second prism block. Two right angle prisms for reflecting the images reflected in the first prism block to one side contact to the first block. The second block penetrates the images reflected in the first prism block. The third block has the same structure with the first block, however, reflects the images to an opposite side. The detecting part obtains the images reflected in and penetrated through the second prism block in each surface.
Patent KR-20120085123-A (KR)
Title: Piping cummunition system
Inventor: AHN CHI SUN
IPC: F24F11/02
Filed: 2011-01-21
Abstract: PURPOSE: A piping communication system is provided to prevent the short of a signal transmitting unit coupled with a coolant pipes by reducing the vibration of the coolant pipes. CONSTITUTION: A piping communication system comprises a coolant pipe(40), a signal transmitting unit, and a vibration proof member(100). The coolant pipe passes through an outdoor unit case(14) and an indoor unit case. The signal transmitting unit is connected to the coolant pipe electrically and signals transmitted through coolant pipe to a MICOM. The vibration proof member is installed between the case of the indoor unit or the outdoor unit and the coolant pipe. The vibration proof member supports the coolant pipe.
Patent KR-20120085518-A (KR)
Title: Image forming apparatus
Inventor: KIM SUNG JOO
IPC: G03G21/10
Filed: 2011-01-24
Abstract: PURPOSE: An image developing device is provided to open and close an inlet of a used developer by a cover coupled to the inlet, and to open and close according to attachment and detachment of a developing cartridge, thereby preventing leakage of used developer when the cartridge is exchanged. CONSTITUTION: A developing cartridge(310) is attached and detached to and from a main body through an opening in the main body and includes a discharging hole for a used developer. A developing cartridge(320) includes a developer storage unit for supplying the developer to the developing cartridge and a used developer storage unit by a used developer inlet. The developing cartridge is attachable and detachable. A body cover(11) opens and closes the opening of the main body.
Patent KR-20120089136-A (KR)
Title: High Frequency Generating Apparatus for Medical Skin Care
Inventor: AHN GUN YOUNG
IPC: A61N1/06
Filed: 2011-02-01
Abstract: PURPOSE: A high frequency generating device for skin care is provided to effectively generate high frequency through a digital control mode. CONSTITUTION: A high frequency generating device for skin care comprises a main controller(310), a drive voltage supplier(320), a high frequency generation controller(330), and a high frequency generation unit(340). The main controller provides a control pulse to the drive voltage supplier. The drive voltage supplier generates DC drive voltage and provides the voltage to the high frequency generation unit. The high frequency generation controller outputs a high frequency control signal, converts the DC drive voltage, and outputs high frequency signal of a fixed frequency. The high frequency generation unit generates a high frequency signal based on the DC drive voltage and high frequency control signal.
Patent KR-20120092321-A (KR)
Title: Communication terminal apparatus, point management apparatus, point authentification system and method
Inventor: PARK JOON SANG
IPC: G06Q20/40
Filed: 2011-02-11
Abstract: PURPOSE: A system for authenticating a point and a method thereof, and a point management device, and a communication terminal device are provided to automatically execute a point management program by a push message, thereby transmitting preset point use authentication information through the point management program. CONSTITUTION: A communication terminal device(100) executes a point management program by a push message received and transmits point use authentication information. A sales management device(200) requests the point use authentication and transmits the push message to the communication terminal device. The sales management device pays a sale payment of a product or a service by using a point. A point management device(300) generates the push message when the point use authentication is requested. The point management device transmits the push message to the communication terminal device.
Patent KR-20120095754-A (KR)
Title: Method for detecting biomolecule using electrostatic capacitive touchscreen
Inventor: PARK HYUN GYU
IPC: G06F3/044
Filed: 2011-02-21
Abstract: PURPOSE: A method for detecting target organic molecule using a touch screen of a capacitance mode is provided to simply detect an organic molecule with a private terminal in which a touch screen of a capacitance mode is loaded. CONSTITUTION: A method for detecting target organic molecule using a touch screen of a capacitance mode is as follows. A standard specimen or one or more organic molecules desired to detect are applied to a touch panel of a touch screen of a capacitance mode. A sub panel coated with a transparent electrode in which a conducting wire is connected or a sub panel which both sides are coated with the transparent electrode is laminated on a touch panel so that a side in which the transparent electrode is coated contact to the touch panel. A conductor contacts with the conducting wire connected to the transparent electrode or the electronic transparent in a surface opposite to the surface contacting to the touch panel, thereby changing the capacitance of a surface of the touch panel. One position of contact signals is measured by using a touch controller, thereby detecting the concentration of the organic molecule.
Patent KR-20120102831-A (KR)
Title: Polymer resin composition having resistance to epoxy based paint and alkyd based paint
Inventor: KIM SEONG JIN
IPC: H01B7/17
Filed: 2011-02-25
Abstract: PURPOSE: A polymer resin composition is provided to be environment-friendly and to have resistance to epoxy and alkyd paint by comprising a phthalate-free plasticizer. CONSTITUTION: A polymer resin composition comprises: 100.0 parts by weight of a polyvinylchloride-based resin; 10-60 parts by weight of one or more plasticizers selected from phthalate-free-based plasticizers; 1-15 parts by weight of one or more stabilizers selected from lead-based, metal soap-based, metal composite-based, and organic tin-based stabilizers; 10-60 parts by weight of one or more flame retardants selected from aluminum hydroxide, magnesium hydroxide, and a magnesium hydroxide carbonate compound; 1-20 parts by weight of one or more flame-retarding aids selected from an antimony-based compound, a halogen-based compound, and a boron-based compound; and 1-60 parts by weight of polar polymer resin which is an ethylene acrylate copolymer.
Patent KR-20120041093-A (KR)
Title: Device for driving light emittiing diode
Inventor: KANG HYUN GU
IPC: G09G3/32
Filed: 2011-03-04
Abstract: PURPOSE: A light emitting diode driving apparatus is provided to operate a plurality of light emitting diodes according to pre-saved data by sensing rectification voltage for each predetermined section, thereby extending the lifetime of a light emitting diode apparatus. CONSTITUTION: A rectifier(100) outputs rectification voltage by receiving AC voltage. A synchronizing and clock signal generator(310) generates synchronizing and clock signals according to the rectification voltage. An operation data storage part(320) stores operation data. A digital controller(330) determines a sub section and outputs a digital driving signal. A digital-analog controller(340) outputs a driving control signal.
Patent KR-20120100444-A (KR)
Title: Processing apparatus for contact lens air hole
Inventor: LEE MOO SUK
IPC: B23K101/00
Filed: 2011-03-04
Abstract: PURPOSE: An apparatus for processing air holes in a contact lens is provided to form a plurality of air holes with the same diameter in a desired pattern in a contact lens. CONSTITUTION: An apparatus for processing air holes in a contact lens comprises an air hole forming unit(110) and a position changing unit(130). The air hole forming unit comprises a laser generator(112) and a processing head(120) which projects a laser beam output from the laser generator to a contact lens placed in a holder so that air holes are formed in the contact lens. The position changing unit comprises a holder fixing jig(132) fixing a holder in which a contact lens is placed and X- and Y-axis moving units(138a,138b) which moves the holder fixing jig in X- and Y-axis directions as shown on the plane, thereby forming a plurality of air holes in a desired pattern in the contact lens.
Patent KR-20120100485-A (KR)
Title: Carpet cleaner
Inventor: HAAN GYUNG HEE
IPC: A47L11/292
Filed: 2011-03-04
Abstract: PURPOSE: A carpet cleaner is provided to reduce an occupied space by allowing a suction motor to simultaneously power a rotary brush and a drier. CONSTITUTION: A carpet cleaner comprises a rotary brush, a washing solution, a suction motor(400), and a drier(500). The washing solution is supplied to the rotary brush. The suction motor sucks the washing solution mixed with dust on a carpet to a water collecting container. The drier supplies heating air to the carpet. The drier comprises a fan and a heating member. The fan receives rotation power from the suction motor. The heating member heats air blowing from the fan.
Patent KR-20120103219-A (KR)
Title: Mobile terminal
Inventor: AN HYOUNG GEUN
IPC: H04M1/02
Filed: 2011-03-10
Abstract: PURPOSE: A portable terminal is provided to improve the efficiency of a shield can mounting process by simplifying the mounting structure of the shield can. CONSTITUTION: A shield can(300) shields a predetermined area of a circuit board(200). The boundary of the shield can is curved to a circuit board direction. A grounding line(230) is formed according to the boundary of the shielded area. A plurality of fastening clips is fastened to the circuit board when the fastening clips are divided from the shield can according to the grounding line. The fastening clip is fastened to the boundary of the inside shield can.
Patent KR-20110105722-A (KR)
Inventor: KIM SANG HYO
IPC: G01N33/553
Filed: 2011-03-17
Abstract: 본 발명은 셀 어레이 기판 위에 금속나노입자층을 포함함으로써 별도의 태그(Tag) 없이도 간편하게 바이오물질을 정성 및 정량 분석할 수 있는 바이오칩에 관한 것이다. 
셀 어레이 기판 위에 금속나노입자층을 포함하고 CMOS 이미지 센서를 이용하는 본 발명에 따른 바이오칩은 별도의 태그(tag)를 사용할 필요가 없고 검출 방식이 단순하여 사용이 편리할 뿐만 아니라 재사용이 가능한 경제적인 바이오칩을 제공할 수 있다.
Patent KR-20120108272-A (KR)
Title: Foundation structure and construction method thereof
Inventor: KIM SEUNG IL
IPC: E02D27/14
Filed: 2011-03-23
Abstract: PURPOSE: A foundation structure for a low-rise building and a construction method thereof are provided to reduce construction time by facilitating a work process and to reduce damage in an earthquake. CONSTITUTION: A foundation structure for a low-rise building comprises upper and lower steel plates(110,120), reinforcing members(130), filler(140), and multiple top base members(150). The upper and lower steel plates are made of a steel material. The reinforcing members are installed between the upper and lower steel plates in a latticed shape to resist bending moment and shear force. The spaces between the upper and lower steel plates and the reinforcing members are filled with the filler to couple the upper and lower steel plates and the reinforcing members to each other. The top base members are installed on the bottom surface of the lower steel plate.
Patent KR-20120109022-A (KR)
Title: Apparatus for manufacturing large-sized thin film-type cigs solar cell
Inventor: KIM JIN JUNG
IPC: H01L31/18
Filed: 2011-03-24
Abstract: PURPOSE: An apparatus for manufacturing a large area CIGS thin film is provided to mass produce a solar cell at high speed by selectively recharging consumed sources without breaking high vacuum of a deposition chamber. CONSTITUTION: A deposition chamber(10) includes a gate valve(15). A source chamber(20a-20j) is located on the deposition chamber. A crucible unit(200) which is an evaporation source and a lifting stage(40) are prepared in the source chamber. The crucible unit is composed of a crucible body and a gas jet unit. The gas jet unit is combined with the upper part of the crucible body.
Patent KR-20120108837-A (KR)
Title: Roadside and outdoor parking lot management system
Inventor: LEE JEONG JUN
IPC: G08G1/14
Filed: 2011-03-25
Abstract: PURPOSE: A road management system for roadside and an outdoor parking lot is provided to inform a parking lot field worker about the location and parking time of a vehicle by automatically sensing the occupancy state of a parking space. CONSTITUTION: A detection sensor(102) is installed on the surface of a parking space(101). The detection sensor detects the occupancy state of the parking space and transmits state information to a collecting device(11). A managing terminal(14) transmits parking lot operation information including a parking fee, operation time and a discount rate to a field worker terminal(13) using a field terminal communication system(22). The managing terminal transmits present situation information of a parking lot to one or more guide plates(15A,15B) using a present situation information communication system(23). [Reference numerals] (AA) Current state of a parking lot; (BB) A parking lot : full; (CC) B parking lot : 12 cars available; (DD) B parking lot 150m ahead; (EE) B parking lot : 12 cars available