baber/WOPTO huggingface dataset:
Patent ES-2181296-T3 (ES)
Title: Procedimiento para la fabricacion de composiciones reactivas de esmalte en polvo para recubrimiento electrostatico.
Inventor: KLOSTERMANN PETER
IPC: C08J3/12
Filed: 1998-10-29
Granted: 2003-02-16
Abstract: Procedimiento para la fabricación de composiciones reactivas de esmalte en polvo mediante la expansión de una solución a la que se le ha añadido uno de los compuestos inertes representados por el dióxido de carbono, el óxido de dinitrógeno, el amoníaco, el nitrógeno, los gases nobles, el hexafluoruro de azufre, el clorotrifluorometano, el monofluorometano, el trifluoromonofluoretano, el trifluorometano, el metano, el etano, el propano, el n-butano, el i- butano, el n-pentano, el i-pentano, el eteno, el propeno, el buteno, el éter dimetílico, el éter dietílico, la dimetilamina, el metanol, el etanol, el isopropanol, la acetona, la metiletilcetona, la metilisopropilcetona, el éster etílico del ácido acético o cualquier mezcla de los elementos citados, caracterizado porque una o más resinas básicas y uno o más endurecedores para las resinas básicas, o una o más resinas básicas autoendurecedoras, así como, ensu caso, otros componentes habituales de los esmaltes, se licuan de forma conjunta o por separado mediante la aplicación de una técnica de calentamiento, y caracterizado también porque el compuesto inerte de bajo peso molecular se disuelve bajo presión en al menos uno de los componentes de las resinas básicas o de los endurecedores, ya sea antes de proceder a la unión con el resto de componentes o en la mezcla ya creada, a continuación de lo cual se procede a la homogeneización y expansión mediante enfriamiento de la mezcla total que incluye todos los componentes.
Patent ES-2205588-T3 (ES)
Inventor: SAMUELSSON ANDERS
IPC: B63H23/24
Filed: 1998-09-24
Granted: 2004-05-01
Abstract: In an adapter for adapting a marine propeller to a housing part of a drive source, the adapter includes a hub-connecting side and a housing-connecting side and a portion for fastening the adapter to a propeller hub.
Patent ES-2223147-T3 (ES)
Title: La estructura de suspension para motor de motocicleta de tipo oscilante unitario.
Inventor: ISHII KEIICHIROH
IPC: B62M7/06
Filed: 1999-01-09
Granted: 2005-02-16
Abstract: UNA ESTRUCTURA DE SOPORTE DEL MOTOR DE UNA MOTOCICLETA DEL TIPO DE OSCILACION UNITARIA QUE INCLUYE: UNA PORCION DE SUSPENSION DEL VEHICULO 42 SOPORTADA SOBRE UN CUADRO DEL VEHICULO 10 A TRAVES DE UN EJE DE SOPORTE 52; Y UNOS BRAZOS 44 Y 46 DISPUESTOS DE MANERA QUE SOBRESALGAN PARA LA PORCION DE SUSPENSION DEL VEHICULO 42. HAY UNA PARTE DELANTERA 11C DE UN MOTOR DE OSCILACION UNITARIA 11 ADAPTADA PARA QUEDAR SOPORTADA DE MANERA ROTATORIA Y OSCILANTE EN UN EJE CENTRAL OSCILANTE 48 QUE HAY DISPUESTO A TRAVES DE LOS BRAZOS 44. LOS BRAZOS 46 QUEDAN SOPORTADOS POR SU EXTREMO SOBRE EL CUADRO DEL VEHICULO 10 A TRAVES DE UNOS RETENES ELASTICOS 47, HABIENDO UNOS COJINETES 54 DISPUESTOS ENTRE EL EJE DE SOPORTE 52 COLOCADO A TRAVES DE LA PORCION DE SUSPENSION DEL VEHICULO 42 Y LA PORCION DE SOPORTE DEL VEHICULO 42 PARA SOPORTAR ASI DE FORMA ROTATORIA LA PORCION DE SUSPENSION DEL VEHICULO 42 ALREDEDOR DEL EJE DE SOPORTE 52. LA ESTRUCTURA INCLUYE ADEMAS UNAS ESCOBILLAS 56 QUE TIENEN UN ELEMENTO ELASTICOCILINDRICO 56C COLOCADO EN Y FIJADO AL EJE DE SOPORTE 52 Y FIJADO A LA SUPERFICIE INTERIOR DE LA PORCION DE SOPORTE DEL VEHICULO 42.
Patent ES-2181327-T3 (ES)
Title: Aparato de cvd de plasma.
Inventor: MURATA MASAYOSHI
IPC: H01J37/32
Filed: 1999-02-12
Granted: 2003-02-16
Abstract: LA INVENCION SE REFIERE A UN APARATO DE DEPOSICION QUIMICA EN FASE DE VAPOR DE PLASMA, DESTINADO A FORMAR UNA PELICULA FINA AMORFA, UNA PELICULA FINA MICROCRISTALINA O UNA PELICULA FINA POLICRISTALINA SOBRE LA SUPERFICIE DE UN SUSTRATO (33). DICHO APARATO COMPRENDE UN RECIPIENTE DE REACCION (31) EN EL QUE SE DISPONE EL SUSTRATO (33); MEDIOS PARA INTRODUCIR UN GAS REACTIVO EN DICHO RECIPIENTE (31) Y PARA DESCARGAR EL GAS RESIDUAL DESDE EL RECIPIENTE DE REACCION (31); UN ELECTRODO ESCALIFORME (32), ES DECIR UN ELECTRODO DE ANTENA ESCALIFORME O UN ELECTRODO DE ESPIRA PLANA ESCALIFORME, ALBERGADO EN EL RECIPIENTE DE REACCION (31) PARA GENERAR UNA DESCARGA LUMINISCENTE; Y UNA FUENTE DE ENERGIA (36) PARA SUMINISTRAR ENERGIA ELECTRICA AL ELECTRODO ESCALIFORME (32), PARA PERMITIR QUE DICHO ELECTRODO GENERE UNA DESCARGA LUMINISCENTE. EN DICHO DISPOSITIVO, SE FORMA UNA LINEA DE SUMINISTRO DE ENERGIA QUE UNE EL ELECTRODO EN FORMA DE ANTENA (32) Y LA FUENTE DE ENERGIA (36), CONSTITUIDA POR UN CABLE COAXIAL, Y EL ELECTRODO ESCALIFORME (32) NO ESTA CONECTADO A TIERRA A TRAVES DE UN HILO DE MASA.
Patent ES-2168820-T3 (ES)
Title: Dispositivo de entrada y de lectura de datos.
Inventor: BORNSCHEIN HANS-JURGEN
IPC: G09B21/00
Filed: 1999-05-31
Granted: 2002-06-16
Abstract: LA INVENCION SE REFIERE A UN DISPOSITIVO PARA INTRODUCIR Y LEER DATOS, CON POR LO MENOS UN ELEMENTO DE SALIDA, EN PARTICULAR UN ELEMENTO BRAILLE, PARA EMITIR DATOS BRAILLE MEDIANTE LA CORRESPONDIENTE ALTERACION DEL PERFIL DE LA SUPERFICIE; Y POR LO MENOS UN ELEMENTO DE ENTRADA PARA INTRODUCIR DATOS, PUDIENDO COLOCARSE EL ELEMENTO DE ENTRADA POR LO MENOS EN DOS POSICIONES DIFERENTES PARA INTRODUCIR LOS DATOS; DONDE LA DISTANCIA MAXIMA ENTRE EL POR LO MENOS UN ELEMENTO DE ENTRADA Y EL POR LO MENOS UN ELEMENTO DE SALIDA NO REBASA UN DETERMINADO VALOR MAXIMO, DE MANERA QUE CON UNA SOLA MANO SE PUEDA TOCAR O ACCIONAR SIMULTANEAMENTE EL ELEMENTO DE ENTRADA Y EL ELEMENTO DE SALIDA.
Patent ES-2216395-T3 (ES)
Inventor: GRIMME HANSJIRG
IPC: B29C35/08
Filed: 1999-09-03
Granted: 2004-10-16
Abstract: The friction layer surface (19) is heated for a prescribed period at an elevated temperature using infra-red (IR) radiation. An Independent claim is made for the process equipment including a heating station (10) with an IR light source.
Patent ES-2276514-T3 (ES)
Title: Derivados de indolamina para detectar peptidasas en microorganismos.
Inventor: ORENGA SYLVAIN
IPC: C12Q1/37
Filed: 1999-01-28
Granted: 2007-06-16
Abstract: Utilización de por lo menos un compuesto de fórmula (I): X-NH-R (I) en la que X representa un grupo indol-3-ilo opcionalmente sustituido, y R representa el resto acilo de un aminoácido o de un péptido, estando el grupo o grupos amina presentes en R opcionalmente en forma protegida, como un agente revelador, siendo dicho agente añadido a un medio de cultivo y haciendo posible dar a conocer, mediante formación de una coloración o una fluorescencia en dicho medio, una actividad de peptidasa en medio de cultivo de microorganismos, o la presencia de un microorganismo o de un grupo de microorganismos que expresa tal actividad en dicho medio, con la excepción de la utilización de un compuesto de fórmula (I) para la cual X representa un grupo 5-bromoindol-3-ilo y R representa un resto de leucilo o alanilo.
Patent ES-2220047-T3 (ES)
Inventor: BOYCE SUSAN
IPC: A61K31/445
Filed: 1999-02-26
Granted: 2004-12-01
Abstract: The present invention provides a combination of a selective NMDA NR2B antagonist and a COX-2 inhibitor for the treatment or prevention of pain or nociception.
Patent ES-2260909-T3 (ES)
Title: Procedimiento para la produccion de peroxido de hidrogeno y soporte de reaccion para su realizacion.
Inventor: GLENNEBERG JURGEN
IPC: C01B15/023
Filed: 1999-03-20
Granted: 2006-11-01
Abstract: Los derivados de pirazolinona representados por la **fórmula**, en donde R1, R2, R3, R4, y R5 son idénticos o diferentes y representan independientemente un átomo de hidrógeno, un átomo de halógeno, un grupo alquilo C1-C5, un grupo haloalquilo C1-C5, un grupo alcoxilo C1-C5, un grupo alcoxi C1-C3-alquilo C1-C3, un grupo alcoxi C1-C3- alcoxilo C1-C3, un grupo haloalcoxilo C1-C5, un grupo alquiltio C1-C5, un grupo haloalquiltio C1-C5, un grupo ciano, un grupo nitro, o un grupo fenilo o fenoxilo que puede estar sustituido con al menos un grupo seleccionado del grupo constituido por átomos de halógeno, grupos alquilo C1-C5, grupos alcoxilo C1-C5, grupos alquiltio C1-C5, grupos haloalquilo C1-C5, grupos haloalcoxilo C1-C5, grupos haloalquiltio C1- C5 y grupos ciano, o dos de R1, R2, R3, R4 y R5 adyacentes están combinados en los extremos para representar un grupo de la fórmula CH=CH-CH=CH, un grupo metilenodioxi que puede estar sustituido con un átomo de halógeno, un grupo trimetileno, un grupotetrametileno, un grupo representado por la fórmula OCH2CH2 o un grupo representado por la fórmula OCH2CH(CH3).
Patent ES-2320502-T3 (ES)
Title: Mejoras en, o relacionadas con, sistemas de gestion de teleservicios.
Inventor: BJORKMAN NILS
IPC: G06F9/54
Filed: 1999-08-24
Granted: 2009-05-22
Abstract: Un sistema de gestión de teleservicios, adaptado para soportar la prestación de una pluralidad de teleservicios y que incluye un terminal de usuario de servicio que tiene medios adaptados para mostrar una interfaz gráfica de usuario de control de servicio entre un usuario de servicio y dicho sistema de gestión de teleservicios, proporcionando dicha interfaz gráfica de usuario de control de servicio la representación y configuración de: recursos de terminal, recursos de red y una aplicación requerida para la prestación de un teleservicio, así como estado actual y funciones disponibles del teleservicio para el usuario de servicio, y la transmisión y presentación de mensajes entre terminales de usuario por una red de telecomunicación, caracterizado porque dicha red incluye una primera base de datos adaptada para almacenar diferentes versiones de control de servicio del mismo teleservicio, una segunda base de datos adaptada para almacenar componentes genéricos de control de servicio, y medios de selección y construcción de control de servicio asociados con una parte de red de dicho sistema de gestión de teleservicios y que tienen acceso a dichas bases de datos primera y segunda.
Patent ES-2186435-T3 (ES)
Inventor: FLIEGE DIETER
IPC: B60J7/00
Filed: 1999-09-01
Granted: 2003-05-01
Abstract: The invention relates to a tarpaulin structure for the bodies of motor vehicles and containers, comprising a tarpaulin frame that covers the entire length of the loading compartment, is provided with upper longitudinal fascias and is supported against the body of the motor vehicle by protruding supporting elements. At least one tarpaulin that covers the roof area of the top is supported by bows (8) that are supported on both ends by rollers (6), whereby the bows can slide in a longitudinal direction of the motor vehicle, on the longitudinal fascias (4) of the tarpaulin frame. The neighboring bows (8) are joined to each other in the region of both longitudinal sides of the tarpaulin by a bearing element (9) for the tarpaulin, whereby a reduced distance between both adjacent bows (8) results in the tarpaulin being folded between the adjacent bows in an upwards direction. A tarpaulin structure that enables the bearing elements to be joined to the bows or rollers in a simple manner is achieved by joining the rollers (6) to both the bearing elements (9) for the tarpaulin and to the shafts on the bows (8) so that they engage with each other in an exclusive manner in mutual positive fit.
Patent ES-2220145-T3 (ES)
Title: Plegador de solapas giratorio.
Inventor: GLENN ROBINSON
IPC: B65B7/20
Filed: 1999-10-21
Granted: 2004-12-01
Abstract: Plegador de solapas giratorio (800) para plegar una solapa en una caja en una máquina embaladora, comprendiendo dicho plegador una cuchilla helicoidal (802) que presenta un borde helicoidal que se extiende en dirección longitudinal (804) y unos medios (806) para hacer girar el elemento, caracterizado porque la cuchilla helicoidal (802) se hace girar en un eje (803) sustancialmente paralelo a la dirección del movimiento de la caja de modo que el borde helicoidal se inserte de forma progresiva y pliegue así la solapa de una caja (C1) dispuesta adyacente al borde helicoidal durante el movimiento continuo de la caja hacia delante.
Patent PL-1782136-T3 (PL)
Title: Cascaded control of an average value of a process parameter to a desired value
Inventor: BOYDEN SCOTT A
IPC: G05D21/02
Filed: 2005-08-03
Abstract: At least one of the multiple process parameters (MPPs) is a controllable process parameter (CTPP) and one is a targeted process parameter (TPP). The process also has a defined target limit (DTV) representing a first limit on an actual average value (AAV) of the TPP. A first logical controller predicts future average values (FAVs) of the TPP based on the AAVs of the TPP over a first prior time period and the DTV. A second logical controller establishes a further target limit (FTV) representing a second limit on the AAV of the TPP based on one or more of the predicted FAVs, and also determines a target set point for each CTPP based on the AAVs of the TPP over a prior time period and the FTV. The second logical controller directs control of each CTPP in accordance with the determined target set point.
Patent PL-1802878-T3 (PL)
Title: Method and apparatus for coupling components
Inventor: WIESLAW MUSKUS
IPC: F16D13/72
Filed: 2005-10-06
Abstract: A single piece unitary metal coupling includes a first end, a second end, and a convolution between the first and second ends. The convolution includes at least one cylindrically-shaped tip end.
Patent PL-1770321-T3 (PL)
Title: Snap coupling between a fluid conduit and a rigid pipe end
Inventor: MILANINI LUC
IPC: F16L37/14
Filed: 2006-09-26
Abstract: The connecting system for a pipe and a rigid tubular connector (T) comprises a bush (D) mounted on the pipe, into which the connector fits. It is held in place by a U-shaped locking clip (3) which fits against a collar (45) on it. A second clip (5) projects above the bush and gives a visual indication when a good connection has been made.
Patent PL-1855951-T3 (PL)
Title: Container
Inventor: BARTHEL WOLFGANG
IPC: B65D5/74
Filed: 2006-01-07
Abstract: The invention relates to a container, in particular, for free-flowing bulk materials, comprising a cut-out (16) made from planar, flexible material, in particular, cardboard, which may be folded into at least one part of the container, a first wall (1) and a second adjacent wall (4) of the container. The walls (1, 4) are arranged at an angle to each other and connected to each other to form one piece in the region of a common edge (5), whereby a weakened line (7) runs over each of the walls (1, 4) and encloses the region of a resealable pouring element (6), essentially embodied in the material of the walls (1, 4), whereby a fold line (15) for the pouring element (6) runs across the edge (5) and divides the pouring element (6) into a pouring section (6a) and an operating section (6b). According to the invention, a container permitting a higher number of opening and closing cycles may be achieved, whereby the operating section (6b) comprises a reinforcement element (9) in the region of the edge (5).
Patent PL-1848593-T3 (PL)
Title: High resolution inkjet printer
Inventor: RIVAS RIO
IPC: B41J2/16
Filed: 2006-02-01
Abstract: A high-resolution printer includes a printhead having optimized features including 3 to 20 micron diameter orifices spaced apart from adjacent orifices by a distance of between about 15 and 75 microns. The orifice plate is electroformed and plated to a thickness ranging from about 6 to 19 microns. A barrier layer secures the orifice plate to a printhead substrate.
Patent PL-1868958-T3 (PL)
Title: Zirconium-base sintered product
Inventor: GAUBIL MICHEL
IPC: C04B35/48
Filed: 2006-03-31
Abstract: The inventive sintered product is produced from an initial feedstock having a zirconium content ranging from 75 to 99% and the following average chemical weight composition, in percentage by weight, based on oxides: 60%=ZrO2+HfO2=75%, 27%=SiO2=34%, 0.2=TiO2=1.5 %, 0.3<Y2O3=3.5 %, other oxides: =1%, to give a total of 100%. Said product can be used for glassworks.
Patent PL-2036575-T3 (PL)
Title: Pharmaceutical compositions for oral use for treating patients affected by obesity
Inventor: VANDONI GUIDO
IPC: A61K9/48
Filed: 2007-09-12
Abstract: The present invention relates to pharmaceutical compositions for oral use for treating patients affected by obesity.
Patent PL-1951947-T3 (PL)
Title: Front-loading laundry washing machine
Inventor: TEN BOK MARCO WHILELMUS GERHARDUS
IPC: D06F39/02
Filed: 2007-10-12
Abstract: The present invention relates to a front-loading laundry washing machine wherein a cabinet (2) comprises a load opening (4) which can be closed by- means of a door (5) provided with a washing agent dispenser. A hydraulic system (7a, 7b, 8, 9a, 9b) of the washing machine sprinkles water onto at least one dispenser inlet, at which a grid (11) is installed.
Patent PL-2105151-T3 (PL)
Title: Membrane pump with ventilation valve
Inventor: STUTZ ALEX
IPC: F04B49/03
Filed: 2005-09-06
Abstract: Suction pump comprises a ventilating valve having a ventilating body which is operated in such a way that it releases only a partial region of a ventilating opening when the valve is open and subsequently releases a larger region or the whole ventilating opening. An independent claim is also included for a method for operating a suction pump. Preferred Features: The ventilating body s a ventilating membrane having an edge region. The ventilating membrane is connected to an anchor of a lifting magnet via a connecting pin. The connecting pin is arranged over one corner of the ventilating opening.
Patent GR-3002332-T3 (GR)
Title: Two-piece metallic clamping connector
IPC: F16L47/00
Filed: 1991-07-18
Abstract: The invention relates to a metallic clamping connector for plastic tubes and hoses. It has a connecting piece (1), which is designed as a tubular sleeve and has a plug-in region (11) which can be inserted in the end (21) of the tube. A sliding sleeve (3) is moreover provided which can move axially with respect to the tube axis and can be pushed over the end (21) of the tube with the inserted plug-in region (11), in a manner to produce the clamped connection. In this arrangement, the essential point of the invention is seen in that the overall plug-in region (11) has outwardly flattened ribs (12,13,14,15) running around the outer circumference and with slot-shaped depressions (16,17,18,19) arranged in each case between two adjacent ribs. The end (21) of the tube is expanded up to the circumference of the ribs (12,13,14,15) and the internal diameter of the sliding sleeve (3) is smaller than the external diameter of the expanded end (21) of the tube. <IMAGE>
Patent GR-3003847-T3 (GR)
IPC: B42B5/10
Filed: 1992-02-20
Abstract: A machine for transforming zig-zag wire to slotted tubular form ready for use as a binding element comprising means for feeding a strip of zig-zag wire longitudinally, means for momentarily arresting the feed of each prong of the wire strip as it reaches a shaping station, means for clamping each prong at that station and means for shaping each clamped prong into the desired configuration characterised in that the clamp is operated by clamp actuation means at least twice for each revolution of rotary feed means. This has the advantage that the clamping means may be operated at much lower speeds than the feed means and the shaping means thus allowing the output to be increased by at least fifty percent over known machines with no danger of overheating.
Patent GR-3003736-T3 (GR)
IPC: A01N25/04
Filed: 1992-02-06
Abstract: Liquid pesticidal agents based on active-substance-containing dispersions in combination with water-soluble active substances, characterised in that they contain at least 3 active substances, of which at least 2 active substances are in disperse form and at least 1 active substance is water-soluble, and in that they contain, as surfactants, a combination of alkyl ether sulphates with ethoxylated fatty alcohols and sulphosuccinic monoesters, have a broad spectrum of application and advantageous properties in use.
Patent GR-3006592-T3 (GR)
IPC: C22C32/00
Filed: 1992-12-18
Abstract: A composite material is disclosed, which contains a matrix of Zn-Al alloy reinforced with silicon carbide powder, which powder has a granulometric distribution comprised within the range of from 1 to 200  mu .
Patent GR-3007013-T3 (GR)
IPC: C08L83/04
Filed: 1993-02-10
Abstract: A composition for imparting fire-resistance to laminating interlayers comprising a) a plasticizer blend of a char-forming component, such as an organic phosphate, and an oxygen sequestering agent, such as an organic phosphite, wherein the char-forming component is the major constituent; b) a nucleating agent such as fumed silica, for dispersing fire decomposition products of the interlayer; and c) a heat reactive bonding resin.
Patent GR-3007452-T3 (GR)
IPC: A61L2/00
Filed: 1993-03-24
Abstract: Use of alkali metal salts of sorbic acid for preventing loss of viscosity during heat sterilisation of aqueous solutions containing polyethylene oxide with a molecular weight of 100,000 to 5,000,000.
Patent GR-3017238-T3 (GR)
Title: Granulated base material for sauces and soups.
Inventor: ODERMATT ROBERT GERALD
IPC: A23L23/10
Filed: 1995-08-30
Abstract: Method for preparing a granulated base food material for sauces and soups from a starchy material and a fat, in which the fat is melted and the starchy material and the molten fat are mixed, the mixture is extruded in the form of sausages, the sausages are cooled in order to harden them and are subdivided into sections, and the sausage sections are reduced into granules by being projected through a grid, and apparatus for implementing the method. <IMAGE>
Patent GR-3019993-T3 (GR)
Title: Substrate-limited doughs
Inventor: VAN EIJK JOHANNES HENDRICUS
IPC: A21D2/18
Filed: 1996-05-20
Abstract: A dough for the preparation of yeast-leavened flour products is provided whereby the dough comprises yeast and an amount of sugar(s) fermentable by the yeast and wherein the maximal amount of CO2 gas produced during the proof is controlled and limited by the amount of fermentable sugar(s) present in the dough.
Patent GR-3021095-T3 (GR)
Title: Improved process of purifying recombinant proteins and compounds useful in such process
Inventor: SHARMA SATISH K
IPC: C07K19/00
Filed: 1996-09-19
Abstract: Recombinant fusion proteins which comprise a biologically active polypeptide portion and metal chelating peptide are disclosed. The fusion proteins contain metal chelating peptides which have at least three and preferably six alternating histidine residues. Fusion proteins which contain metal chelating peptides that are substrates for dipeptidylpeptidase I are als disclosed. Additionally, a method of obtaining desired polypeptides by producing recombinant fusion proteins and purifying them with immobilized metal ions is disclosed. A kit for purifying desired polypeptides is also disclosed.
Patent GR-3024493-T3 (GR)
Title: Abrasion resistant coatings for fertilizers
Inventor: HUDSON ALICE P
IPC: C05G3/00
Filed: 1997-08-21
Abstract: Mixtures of hydrocarbon waxes and hydrocarbon soluble polymers which have oxygen containing polar groups provide an abrasion resistant sealant coating for sulfur coated urea.
Patent GR-3024586-T3 (GR)
Title: Retroviral protease inhibitors
Inventor: DECRESCENZO GARY ANTHONY
IPC: C07D215/48
Filed: 1997-08-29
Abstract: Compounds represented by formula (I) wherein A represents R, R<13> and radicals represented by formula (II), B represents R<5> and radicals represented by formula (III) (values for the variables given herein) are effective as retroviral protease inhibitors and in particular as inhibitors of HIV protease.