baber/WOPTO huggingface dataset:
Patent ES-2543693-B1 (ES)
Title: Poliedros desplegables de estructura tubular y cerramiento textil
Inventor: SANCHEZ SANCHEZ JOSÉ
IPC: E04B1/344
Filed: 2014-02-21
Granted: 2016-09-13
Abstract: La presente invención tiene por objeto un sistema estructural de forma poliédrica constituido por piezas rectas tubulares resistentes articuladas en sus extremos y en puntos intermedios formando aspas, de tal forma que el conjunto puede plegarse en un paquete compacto fácilmente desplegable o abrirse cubriendo una superficie prácticamente cerrada.#El conjunto irá acompañado de un cerramiento textil, de simple o doble capa, según necesidades de aislamiento, unido a los nudos del conjunto de tal modo que durante el desplegado quede en tensión y en el plegado quede insertado en el interior del paquete de un modo compacto. La invención corresponde al área de edificios de emergencia y rápido montaje y se aplicará a la creación de recintos cerrados.
Patent ES-2545679-B1 (ES)
Title: Rampa salvaescaleras escamoteable
Inventor: CARDENA MARTINEZ DE LA CASA ADOLFO
IPC: E04F11/02
Filed: 2014-03-11
Granted: 2016-06-21
Abstract: La invención se refiere a un rampa que se incrusta en el pavimento del peldaño más alto de la escalera o desnivel a salvar, habiéndose diseñado con una medida muy reducida en altura para adecuarla a su acoplamiento en el grosor habitual de la solería que sirve de base al pavimento; siendo por ello perfectamente escamoteable en ese escaso espesor sin necesidad de realizar grandes obras ni afectando a elementos estructurales que se podrían encontrar con una altura mayor.#La rampa está formada por un bastidor que se ancla y se fija a la edificación donde se instala. Dentro del bastidor se alojan una serie de piezas que componen la rampa y que se deslizan desde el interior del bastidor hacia el exterior, propiciando su accionamiento escalonado por tramos que se adaptan al desnivel a salvar y sirven, una vez desplegadas, para el desplazamiento y movimiento de la persona o carga a transportar.
Patent ES-2525893-B1 (ES)
Title: Regenerador orgánico y biológico para disminuir el potencial infeccioso de un suelo, procedimiento de obtención del mismo y uso
Inventor: HINAREJOS ESTEVE ESTEFANÍA
IPC: A01N63/04
Filed: 2014-09-26
Granted: 2015-11-24
Abstract: Regenerador orgánico y biológico para disminuir el potencial infeccioso de un suelo, procedimiento de obtención del mismo y uso.#Obtención de un regenerador de suelos para disminuir el potencial infeccioso de un suelo y resulte útil para regenerar desde el punto de vista microbiano un suelo y producir una mejora en la sanidad de los cultivos. El regenerador de suelos comprende un inoculante microbiano, una sustancia básica, un bioestimulante o una combinación de éstos, en un digestado higienizado procedente de una co-digestión anaerobia, preferiblemente de planta de generación de biogás, donde el digestado se utiliza como vehículo y diluyente simple. Así como el procedimiento de obtención del regenerador de suelos. Adicionalmente, uso de un digestado higienizado como vehículo de un inoculante microbiano y diluyente simple de una sustancia básica.
Patent ES-2536575-B1 (ES)
Title: Procedimiento y sistema de visión artificial para la descripción y clasificación de espermatozoides según el estado de su acrosoma
Inventor: ALEGRE GUTIERREZ ENRIQUE
IPC: G06T7/40
Filed: 2014-11-20
Granted: 2016-03-07
Abstract: Procedimiento y sistema de visión artificial para la descripción y clasificación de espermatozoides según el estado de su acrosoma, a partir de imágenes (10) digitales tomadas de una muestra de semen (1), utilizando un patrón binario local adaptativo y características estadísticas orientadas de la imagen. El procedimiento automatizado de clasificación de cabezas (11) de espermatozoides está basado en la descripción mediante la combinación del histograma obtenido a partir del patrón binario local adaptativo y los vectores estadísticos orientados (media y desviación típica) de imágenes de los mismos. Dicho procedimiento hace uso de técnicas de manipulación de las imágenes (10) digitales capturadas para describir y clasificar las cabezas según la integridad de su acrosoma como íntegras o dañadas.
Patent ES-2578994-B1 (ES)
Title: Sistema gestor de comunicaciones táctico con enrutamiento dinámico
Inventor: TAMARIT DAVID
IPC: H04L12/64
Filed: 2015-01-30
Granted: 2017-03-23
Abstract: Sistema gestor de comunicaciones táctico con enrutamiento dinámico, el cual gestiona comunicaciones militares. Su nodo central es un router al que se conectan distintos dispositivos locales, estaciones remotas y otros nodos, controlando su tráfico de voz y datos. Se utiliza para comunicaciones tácticas y estratégicas, proporcionando compatibilidad entre todas las unidades, aportando una interfaz y protocolos comunes. Incluye un encadenamiento dinámico encargado de recibir, analizar y, a partir de una serie de normas, encaminar y transmitir todo el tráfico de datos y voz. Así mismo ofrece un enrutamiento táctico, el cual incorpora un algoritmo que se encarga de determinar las rutas de comunicaciones adecuadas para llegar a los diferentes destinatarios.
Patent ES-2599633-B1 (ES)
Title: Dispositivo de seguridad para extracciones sanguíneas
Inventor: GOMEZ FERNANDEZ JOSÉ ANTONIO
IPC: A61M5/32
Filed: 2015-07-02
Granted: 2017-11-08
Abstract: Dispositivo de seguridad para extracciones sanguíneas.#Dispositivo (1) de seguridad para la realización de extracciones sanguíneas, que comprende: un cuerpo (2) hueco que tiene un conector (3) para jeringa en su lado proximal y un orificio (4) en su lado distal, estando el orificio (4) tapado por una membrana rasgable; y una aguja (5) móvil que tiene una base (5a) unida al conector (3) y una punta (5b), donde la aguja (5) móvil es desplazable desde una posición replegada en la que la punta (5b) está en el interior del cuerpo (2) hueco hasta una posición extendida en que la punta (5a) sobresale a través del orificio (4) del cuerpo hueco.
Patent JO-1465-B1 (JO)
Title: stable ammonium polyphosphate liquid fertilizer from merchant grad phosphoric acid
Inventor: WILLIAM P THOMAS
IPC: C05G5/00
Filed: 1987-03-16
Granted: 1988-03-10
Abstract: stable ammonium polyphosphate liquid fertilizer from merchant grad phosphoric acid
Patent KR-800000903-B1 (KR)
Title: Process for the preparation of propargyl(or alkenyl)phenyl ether derivatives
Inventor: KATO SYOICHI
Filed: 1975-08-07
Granted: 1980-09-10
Abstract: Title compds. (I; X=Me, CL; Y=C1-6 lower alkyl, allyl; R=propargyl, C3-18 alkenyl; n=0, 1, 2), useful as acaricides, were prepd. by condensation of alkali metal salt of compd. II and compd. III (z=halogen),. Thus, 6g /4-chloro-e-ethyl thiophenol and 2.1g KON(purity 85.5%) were dissolved in 30ml N, N-dimethylacetamide and cooled to 18↿-20≰C. Then 3.5g 3-chloropropene-2-yl chloride was added to the cooled products, refluxed for 3hrs. at 70≰-80≰C, washed with 5% HCl soln., 5% NaOH soln. and Na2SO4, and distilled to give 67g 3-chloro-propene-2-yl-4`-chloro-3`-ethylthiophenylether.
Patent KR-800001230-B1 (KR)
Title: Operation control system for vehicle engine
Inventor: NAKAMURA IKIHISA
IPC: F02P5/10
Filed: 1975-11-14
Granted: 1980-10-24
Abstract: A spark advance and retard system for an automobile engine advances the spark timing when the automobile is cruising, and retards the spark timing when the automobile is idling, accelerating or decelerating. A device(A) which detects cruising of the automobile employs three electrical switches (7,8,9) connected in series. When all three switches have been closed for a predetermined time interval, a timer device(B) actuates electrically controlled valves to cause a pneumatic operator to advance the spark timing.
Patent KR-810001819-B1 (KR)
Title: Process for the preparation of tetrahydro 1,3,5-triyzine-2,6-diones
Inventor: HEPWORTH W
IPC: C07D251/46
Filed: 1978-02-21
Granted: 1981-11-16
Abstract: Tetrahydro-1,3,5-triazine-2,6-diones[I; R1 = C1-6 alkyl; R2 = C1-4 alkoxy comprised C1-4 alkyl, C3-8 cycloalkyl, C3-6 alkenyl, benzyl, 1-(phenyl)ethyl, substituted phenyl , having alleviating activity, were prepd. by acetylation of compd. (II) with acetylating agent such as acetylchloride, acetylbromide and acetic anhydride.
Patent KR-820000828-B1 (KR)
Title: Method for manufacturing poly saccharides
Inventor: TAKAYAMA Y
IPC: C13B10/02
Filed: 1978-10-13
Granted: 1982-05-13
Abstract: A new polysaccharide (M-30-C) was produced by cultures of Pseudomonas polysaccharogenes M-30 grown in a MeOH medium and isolated from the culture broth. Phys. properties included an optical rotation ≮α≉D20 = + 48.4≰C and a mean mol wt. of 2X105 - 2X106. It was soluble in H2O, HC1, H2SO4 and NH3 and was insol. in EtOH, Et2O, acetone, chloroform and DMSO. The polysaccharide inhibited triton and streptozotocin- induced hyperlipidemias in mice and expt. hypercholesterolemia in rats and exptl. atherosclerosis in rabbits.
Patent KR-810001959-B1 (KR)
Title: Process for preparing 1,2,4 oxadiazol derivatives herbicidally active
Inventor: SCHMIDT E
IPC: A61K31/41
Filed: 1978-12-15
Granted: 1981-12-01
Abstract: Title compds. (I; R1 = R3-CO-NH-Ph-, R3 = C1-3 alkyl, 3C-8C cycloalkyl, halogenated alkyl, alkoxy, alkylamino; R2 = C1-8 alkyl, C3-8 cycloalkyl, halogenated alkyl, Ph, Ph-C1-3 alkyl) were prepd. by the reaction of benzonitrile (II) and hydroxylamine.  HCl(III) in org. solvent in the presence of base to give amidoxime(IV), which was reacted with carboxylic acid halide(V) or carboxylic anhydride(VI) in org. solvent to give I.  Thus, 3-(N,N-dimethylureido)-benzonitrile and hydroxyammonium chloride were suspended in MeOH and reacted with trifluoroacetic anhydride to give 3-[3-(3,3-dimethylureido)-phenyl -5-trifuloromethyl-1,2,4-oxadiazole.
Patent KR-850000687-B1 (KR)
Title: Solid refuse disposal apparatus
Inventor: BERGESTEN VICTOR E
IPC: F23G5/00
Filed: 1981-05-28
Granted: 1985-05-14
Abstract: Apparatus for disposing of pelletized refuse by conversion to useful gaseous products and inert solid residue includes a vertical shaft with respect to a hearth. The volume of the hearth is determined by the pelletized refuse max. feed rate, the shaft min. equivalent dia. and the furnace pressure. An opening between the shaft and hearth has a min. cross-sectional area between 0.044 and 1.0 times the shaft min. cross-sectional area. Tuyeres are positioned at a vertical distance of less than 35% of the distance from the shaft-hearth connection to the hearth floor and are directed downward. The hearth configuration provides more complete combustion of the char produced in the pyrolysis zone.
Patent KR-880002233-B1 (KR)
Title: Preparation method for pyridazines derivatives
Inventor: RABE THOMAS
IPC: C07D237/22
Filed: 1981-12-21
Granted: 1988-10-20
Abstract: Title compds. (I) [R1, R2, R3=H, halo, OH, NO2, TMF, alkyl, alkoxyalkyl, alkenyl, alkynyl, cyclo-alkyl, cycloalkenyl, Ph, alkoxy, hydroxyalkoxy, alkenyloxy, alkynyloxy, cycloalkoxy, alkanoyl, etc.; R4=H, lower alkyl; W=H, Cl, Br  are prepd.  Thus, 4.9 g N-[3-(O- chloropenoxy)-2-hydroxy-propyl -ethylene diamine in 50 ml ethanol is refluxed with 3.3 g 4,5-dichloropyridazin-3-one in 50 ml ethanol for 12 h and treated with ethylacetate to give N-[3-(O-chloropenoxy)-2- hydroxy propyl -N'-[4-chloro-3-oxopyridaz-5-yl  -ethylene diamine.HCl.
Patent KR-850001863-B1 (KR)
Title: Apparatus for continuously reducing the weight of fabrics of polyester fibers with alkali
Inventor: ARASHI MASAHIRO
IPC: D06B7/00
Filed: 1982-02-09
Granted: 1985-12-28
Abstract: An apparatus for continuously reducing with alkali the weight of a polyester fabric, comprises a padder for applying the alkali solution, a steamer chamber for promoting hydrolysis of the fabric, a device for washing the treated fabric, and a dryer for drying the fabric. This is a continuous process rather than the batch processes of the prior art. Uniform treatment is obtained.
Patent KR-860001936-B1 (KR)
Title: Control device in vending m/c
Inventor: KUWAKI MASAMI
IPC: G07F9/00
Filed: 1982-03-25
Granted: 1986-10-25
Abstract: This invention is about a temperature control device of the vending M/C which has the following characteristics: Operation time settlement, Loading switch which  is operated in the case of setting the load, Diverter switch which is set up impulsively means without thinking the plural on-off time of a heater or a cooling device, Switch on control which operates the device with a break immediately after setting up vending M/C or after the release of service interruption. On-off control method which does on-off impulsively at the setting time of the diverter switch, Operation stoppage except setting time.
Patent KR-860001905-B1 (KR)
Title: Preparation process for 3-chloro-5-trifluoromethyl pyridine
Inventor: FUJIKAWA KANICHI
IPC: C07D213/61
Filed: 1982-11-04
Granted: 1986-10-24
Abstract: 3-Chloro-5-trifluoromethylpyridine derivs. (II) are prepd. by gaseous rxn. of (I) with chlorine in the presence of activated carbon catalyst and one of the metal chlorides selected from Fe, Sb, Cu and Zn. Y is Cl or F; n is 0, 1 or 2; Y may same or not when n=2; m is 0,1,2 or 3; Y may be the same or not when m=2 or 3. Chlorination is performed at 150 - 400≰C. (II) are useful for intermediates of active components for agricultural chemicals.
Patent KR-880002632-B1 (KR)
Title: An alarm
Inventor: MORIDA DOSHINARI
IPC: G08B25/00
Filed: 1983-01-04
Granted: 1988-12-07
Abstract: According to the outputs of sensors which detect a fire or a gas leakage, this device represents the place where a fire occurs, and the emergency alarm situations, in the television receiver. The device has also a circuit generating a detection signal. According to the kind of output signals of a sensor, this device with a circuit generating a detection signal makes the microcomputer remember a detecting signal.  This device is composed of the image signal generating circuit, the modulation circuit which modulates the television transimitting signal, and the transmitting unit which transmits the signal from the microcomputer through the interface in the television receiver.
Patent KR-870000979-B1 (KR)
Title: Preparation of ortho-methyl anilines from ortho-amino benzyl sulfoxides
Inventor: CHUPP JOHN PAUL
IPC: B01J23/00
Filed: 1983-03-16
Granted: 1987-05-16
Abstract: Prepn. of o-methylanilines(I) comprises reacting an oaminobenzyl sulphoxide(II) with a nonoxidising acid halide in inert solvent to produce a soln. of corresp. o-aminobenzyl halide(III) and S-cpd. by- prods. This soln. is treated with a basic tert. amine to form a quat. o-aminobenzyl ammonium halide salt(IV). The salt (IV) is pptd., leaving S-cpd. by-prods. in soln., and catalytically hydrogenated to form(I). (I) are useful in e.g. herbicide prodn.
Patent KR-850001780-B1 (KR)
Title: Process for the preparation of sulfato ethyl sulfon derivatives
Inventor: KIM DONG-KIL
IPC: C07C315/04
Filed: 1983-09-01
Granted: 1985-12-18
Abstract: Compds. of the formula (I) (X1,X2=H, methyl, methoxy, Cl; R1=H, R2=CH2,CH2,OSO3H) are prepd. by esterification and hydrolysis of compds. (II) (R1=COCH3, R2=H) and ethylene chlorohydrine. Thus, 23g 4-MeO-3-acethylaminophenyl sulfinic acid and 11g ClCH2CH2OH were reacted at 65-70≰C, pH8-8.5 to give (II). (I) was dissolved in 45g H2SO4, after maintaining 40-50≰C, 3hr, followed by extraction of 60g ice and 60ml H2O, to give (I). Prepn. of (I) are used in preparing agricultural chemicals, pharmaceutics and dyes.
Patent KR-870000768-B1 (KR)
Title: Process for preparing a diester of oxalic acid
Inventor: REAM BERNARD CLAUDE
IPC: C07C69/36
Filed: 1983-09-28
Granted: 1987-04-15
Abstract: Diester of oxalic acid is prepd. by gaseous reaction of an ester of nitrous acid with carbon monoxide in the presence of Pd monolithic catalyst at 50-200≰C. Pd catalyst deposite in a monolithic carrier having thin alumina washcoat. The rxn. performed in atmosphere(14.7 psia) or ultratmosphere(7-15 atm). Content of Pd in a catalyst phase is 0.1-2 wt.%. Prepg. diester is useful for starting materials of oxamide, oxalic acide and ethyleneglycole prodn..
Patent KR-920001384-B1 (KR)
Inventor: FUJII MITURU
IPC: B65D25/48
Filed: 1983-11-23
Granted: 1992-02-13
Abstract: 내용 없음.
Patent KR-890004483-B1 (KR)
Title: Wire-like structure twieting m/c
Inventor: TODA YUICHI
IPC: H01B13/02
Filed: 1984-01-17
Granted: 1989-11-06
Abstract: Apparatus for twisting a plurality of wire-like structures into a cable wherein the wire-like structures are wound in a plurality of bobbins, each of which is supported in an individual cradle arranged in a cage which rotates around a cage rotating spindle, characterised in that a separate driving system for each bobbin, respectively, comprises a bobbin driving wheel coaxial with the cage-rotating spindle and rotatable with respect to the cage-rotating spindle, and a rotation transmission means disposed internally of the respective bobbin driving wheel to engage an inner side surface of the bobbin driving wheel so that the respective driving wheels are driven by the rotation transmission means.
Patent KR-890004537-B1 (KR)
Title: Precipitation hardenable copper alloy and process
Inventor: SELLE YUSEF
IPC: C22C9/06
Filed: 1984-02-18
Granted: 1989-11-13
Abstract: Alloy has improved stress relaxation resistance when subjected to discontinuous precipitation and consists of (by wt.) 10-15% Ni, 1-3% Al, up to 1% Mn, 0.05-0.5% Mg and less than 0.05% Si, balance Cu. The alloy is treated by (i) holding at 880-980 deg.C; (ii) hot working followed by rapid cooling; (iii) cold working the alloy to 0.90% reduction in thickness; (iv) solution treating at a temp. near or above the solvus of the alloy; (v) cold working up to a 75% reduction in thickness; and (vi) aging at 400-550 deg.C.  The alloy has improved properties due to the Mg content, without adversely affecting the strength to bend properties or the electrical conductivity.
Patent KR-870001672-B1 (KR)
Title: Chrolella culture device
Inventor: MORI KEI
IPC: C12N1/12
Filed: 1984-05-24
Granted: 1987-09-21
Abstract: An improved device for culturing chrolella in a artificial lake in the tropical zone is presented.  In the devic, the upper portion(21) of the culture tank(20) is constructed of a transparent bodies(50,60) and a reflex mirror device(10).  The reflected solar light from the reflex mirror plate(11) enters into tank(20) at the vertical direction, and the refracted solar energy is diffused into tank(20) through the light-recieving bodies(30).
Patent KR-860000952-B1 (KR)
Title: Improved needle dial for a singlecylinder circular hosiory knitting machine for producing ribbed knitting
Inventor: VINCOLI ARMANDO
IPC: D04B15/18
Filed: 1984-05-31
Granted: 1986-07-23
Abstract: The dial (10) carries composite needles (17) each with a flexible side element (18) formed with a lateral arch (20). Each serves as a jack butt for rib knitting. Each needle (17) is slidable in a dial groove (14) which has a widened portion (22) for accommodating the lateral arch (22) as the needle (17) is projected and retracted during knitting.
Patent KR-900001208-B1 (KR)
Title: Imidazolidinones and imidazol-idinethiones and process
Inventor: ROSS MARINUS
IPC: C07D233/30
Filed: 1984-08-01
Granted: 1990-02-28
Abstract: Title cpds. of formula (I) and their cis- and transisomers are prepared.  In (I), R is H, C1-12 alkyl, C3-12 alkenyl, C3-6 cycloalkyl or C3-10 alkynyl; R1 and R2 are each C1-3 alkyl or C1-3 cyclopropyl; A is N or -CR3; W is S or O; X is H, halogen or methyl; Y and Z are each H, halogen, C1-6 alkyl C1-6 alkoxy or C1-4 alkylthio; R3 is H, Cl, Br, I, C1-4 alkyl, CF3, NO2 or OCF3. (I) are useful as pre- and post-emergence selective herbicides and plant growth regulants.
Patent KR-910005936-B1 (KR)
Title: Process for the aromatization of instant coffee
Inventor: GHODSIZADEH JOSEPH
IPC: A23F5/46
Filed: 1984-12-06
Granted: 1991-08-09
Abstract: A process for aromatizing instant coffee by transferring volatile aromatics from a roast and ground coffee to the instant coffee comprises heating roast and ground coffee to a temperature of about 30 DEG  to 95 DEG C and allowing volatile aromatics released during heating to come into contact with the instant coffee which is maintained at a temperature of about 0 DEG  to 35 DEG C. The aromatized instant coffee has improved in-jar aroma.
Patent KR-880000345-B1 (KR)
Title: A spinning reel equipped with power belt-pulley
Inventor: LEE GI-DONG
IPC: A01K89/00
Filed: 1984-12-24
Granted: 1988-03-20
Abstract: The fishing reel comprises (i) a tubular driven shaft insert into the front end of the driving shaft, (ii) driving shaft linking spool and rotor, (iii) guide pulley assembled into the tubular driven shaft, (iv) skidding pulley inserted into a driveing shaft, (v) driving pulley inclined to the tubular driven shaft rotated by handle and (vi) belt interconnecting three pulleys and transmitting the rotation of the tubular driven shaft into the driving shaft.
Patent KR-880000784-B1 (KR)
Title: Alam device for a vehicle
Inventor: MIN BONG-UH
IPC: B60R25/10
Filed: 1985-02-21
Granted: 1988-05-09
Abstract: The system includes speakers, an electronic control circuit and a number of function selector switches.  An alarm circuit generates alam signals, the circuit being programmable by the function selector switches.  A mode selection circuit operatively interfaces the control circuit and the function selector switches in a normal mode. It operatively interfaces the alarm circuit and switches in an alarm mode.  The mode selection circuit is responsive to coded signals generated by the actuation of predetermined function selector switches to change between the normal and alarm modes.
Patent KR-880000023-B1 (KR)
Title: Mold changer for a press preferably an injection molding machine
Inventor: NICKLEY THOMAS ALBERT
IPC: B29C45/17
Filed: 1985-06-05
Granted: 1988-02-15
Abstract: The horizontal plastic injection moulding machine using moulds located between pairs of depending, wt. supporting bolsters which protrude at least on their lower surfaces and having base supporting fixed and movable platens between which moulds and bolsters are fixed is equipped with mould changing appts.  Appts. includes rollers fitted to the lower portions of machine platens for supporting respective bolsters and a rack along the lower surface of at least one bolster which is engaged by a pinion driven by a machine motor. A mould carriage with pair of work stations is located alongside the moulding machine and able to move parallel to the direction of platen movement.
Patent KR-850001386-B1 (KR)
Title: Video recorder playback machine
Inventor: WILKINSON RICHARD L
IPC: G11B7/08
Filed: 1985-06-07
Granted: 1985-09-24
Abstract: A video record/playback machine includes a write laser and a read laser respectively for generating record and playback optical beams which are focused upon the disk by an optical record/playback head. An optics carriage movably positions the head with respect to the disk in moving optical alignment with the write laser and carries the read laser in fixed optical alignment with the head. The machine includes apparatus for monitoring  the record optical beam during operation in a record mode, and for substantially simultaneous operation in a playback mode to monitor the playback optical beam during the recording process.
Patent KR-880001903-B1 (KR)
Title: Golf tee-manufacturing method
Inventor: LEE JONG-YUN
IPC: A63B57/00
Filed: 1985-10-02
Granted: 1988-09-30
Abstract: Purified sawdust and rice barn are crushed and dried under 500-600≰C to form carbonized wood powder which is used as a source material. The mixture of the wood powder 65-80%, phenol resin 15-30%, carbon 5- 10% and hardner 1% are heat-treated under 180-220≰C for 2-5 min. in the form of a golf tee.  The golf tee made decomposes naturally in the golf field after use.