baber/WOPTO huggingface dataset:
Patent ES-2359082-B1 (ES)
Title: Dispositivo para el lavado de manos y procedimiento de control de lavado de manos.
Inventor: VILCHES FERRON MIGUEL ANGEL
IPC: A61B90/80
Filed: 2009-04-01
Granted: 2012-03-26
Abstract: Dispositivo para el lavado de manos y procedimiento de control de lavado de manos.#El dispositivo es de aplicación para el lavado de manos de personal sanitario mediante solución hidroalcohólica y dispone de un lector (1) de tarjeta identificativa que determina la puesta en funcionamiento de un dispensador (2), el cual proporciona la cantidad necesaria de solución hidroalcohólica, una cámara (3) para el grabado del lavado de manos, un microprocesador (4) para el almacenamiento de información del acto de lavado y un depósito (5) de dicha solución de lavado. El microprocesador (4) está adaptado preferentemente para guardar el número de veces que un sanitario se lava las manos, la fecha y hora de lavado, así como el lugar donde se ha llevado a cabo dicho lavado. Esta información es posible extraerla mediante un medio de salida de datos (6), siendo preferentemente un puerto USB.
Patent ES-2336759-B1 (ES)
Title: Sistema de climatizacion por capas.
Inventor: CUMPLIDO MATESANZ FCO JAVIER
IPC: F24F7/007
Filed: 2009-07-09
Granted: 2011-03-15
Abstract: Sistema de climatización por capas. 
     Sistema de climatización para un recinto
interior que comprende un sistema de difusión del aire tratado que
consigue tratar solamente la zona objetivo sin necesidad de tratar
todo el aire del volumen del local en donde se instala el sistema de
climatización, creando un volumen de aire, dentro de la zona
objetivo, que mantiene en valores prefijados la temperatura (tv),
humedad relativa, así como grado de renovación, independientemente
de las ganancias o pérdidas energéticas existentes en la totalidad
del recinto interior o edificio.
Patent ES-2400645-B1 (ES)
Title: Equipo de riego hidropónico.
Inventor: MARTOS SANCHEZ NICOLAS
IPC: A01G25/16
Filed: 2011-06-24
Granted: 2014-06-03
Abstract: Equipo de riego hidropónico.#El equipo establece un sistema de fertilización hidropónico para automatizar los aportes de nutrientes, así como llevar a cabo una regulación de pH, todo ello de forma automática. Incluye un controlador de pH (2), un controlador de conductividad (3), así como bombas peristálticas y dosificadores (4) para pH y para nutrientes (5), a través de cuyas bombas el pH y nutrientes se aplican a un circuito de recirculación de agua (11), con sonda de pH (8) y sonda de conductividad (10), cuyo circuito está asociado a un tanque o depósito (12) donde se produce la mezcla de nutrientes con el agua, siendo aplicados los nutrientes a través de inyectores (13) desde las bombas peristálticas (4 y 5), existiendo una bomba sumergible de recirculación (17) para la recirculación del agua en el circuito (11).
Patent ES-2424172-B1 (ES)
Title: Tablero de juego
Inventor: MORA PABON GABRIEL
IPC: A63F3/00
Filed: 2012-02-23
Granted: 2014-07-25
Abstract: El tablero de juego comprende en su cara vista un conjunto de casillas las cuales comprenden unos cajeados (2), dentro de los cuales se ubican varios dispositivos convencionales (4) que integran sendos botones retráctiles (3) correspondientes con unas sub-casillas representativas de las distintas posiciones identificativas de los jugadores o la identificación de al menos los posibles números de juego del sudoku.#Los botones retráctiles (3) adoptan dos posiciones estables seleccionadas entre una posición plegada en bajorrelieve y una posición desplegada sobre-elevada, definiendo una de ellas la posición activa seleccionada del respectivo jugador diferenciada de otra posición inactiva de los botones retráctiles (3).
Patent ES-2525768-B1 (ES)
Title: Procedimiento para la producción de proteínas recombinantes glicosiladas.
Inventor: ESTEBAN MORALES MANUEL
IPC: C12P21/08
Filed: 2013-06-24
Granted: 2015-10-07
Abstract: Procedimiento para la producción de proteínas recombinantes glicosiladas.#La presente invención pertenece al campo de la producción de proteínas recombinantes. En concreto, se refiere a un procedimiento para la producción, en células humanas, de proteínas recombinantes con un patrón de glicosilación que se aproxima al obtenido con la línea celular de ovario de hámster chino. Se refiere asimismo a la proteína recombinante obtenible por dicho procedimiento y a su uso para la preparación de un medicamento.
Patent JO-1918-B1 (JO)
Title: Isolated gypsum for civil and industrial buildings
Inventor: MOHAMMAD AWAD AL NAWAISEH
Filed: 1996-07-01
Granted: 1997-01-15
Abstract: ISOLATED GYPSUM FOR CIVIL AND INDUSTRIAL BUILDINGS
Patent KR-790001149-B1 (KR)
Title: Apparatus for compressively shrinking textile fabrics
Inventor: WELLTER S TEURUWUP
Filed: 1973-12-18
Granted: 1979-09-04
Abstract: A method for compressively shrinking a light weight textile fabric web longitudinally at high speed is characterized by selecting varying tension of the belt(23) as well as manually varying contact pressure between the belt and polished cvlinder. Skipping of the belt at high speed is eliminated and control of the pressure of the belt on the cylinder over a greater arc is achieved.
Patent KR-790000690-B1 (KR)
Title: Photocunductive camera apparatus
Inventor: SUZUKI HITOHUMI
Filed: 1974-01-07
Granted: 1979-06-22
Abstract: A photoconductive camera app. capable of removing photoconductive layer(5) easily without influencing the dark leveler (11), transparent conductive layer(4) and color strip filter (14), and depositing the photoconductive layer(5) without reapplying transparent conductive layer(4), dark lever(11) and color stripe filter(14) after removing photoconductive layer(5) was manufd. Transparent protecting layer(13) made of glass or oxide silicon and insoluble in the solvent for photoconductive layer(5) was inserted between transparent conductive layer(4), dark leveler(11), and color stripe filter(14).
Patent KR-790000422-B1 (KR)
Title: Water-sensitive bonding compositions for synthetic fibers
Inventor: GERALD PRESCOTT MORIE
Filed: 1974-09-04
Granted: 1979-05-14
Abstract: Cigaret filters readily broken down by H2O contained as binders mixts. of high boiling polyols, 5-40 wt.% H2O-dispersible polyester, polyamide, or polyester-polyamide which was sol. in polyol. Thus, a stand of 39,600 3.3 denier cellulose acetate fiber having 4.73 crimps/cm was sprayed with a mixt. of propyleneglycol 70, H2O 5, and 10:9:1 diethylene glycol-isophthalic acid-sodiumsulfoisophthalic acid polymer(I), and then molded into filters.
Patent KR-790001937-B1 (KR)
Title: Process for preparation of n-phosphnomethyl-glycine
Inventor: TSUMUKATO MOTO
IPC: C07F9/40
Filed: 1976-09-14
Granted: 1979-12-29
Abstract: Alkyl ester of N-(diphenyl phospjhonomethyl) glycine which is N-phosphonomethyl glycine or its intermediate, was prepd. by reaction of tre-phenyl phosphorous acid, glycine alkyl ester, and paraformaldehyde.  The title compd. was useful as effective component of herbicide.  Thus, 0.1 mole (PhO)3P was heated with 0.1 mole H2NCH2CO2Et.  HCl and 3.0g para-formaldehyde at 100OC for 2hr, and it was also treated with 500ml N NaOH, and extd. with Et2O.
Patent KR-820000595-B1 (KR)
Title: Method for deriving compensated measurements in a bore hole
Inventor: SCHUSTER N
Filed: 1977-05-16
Granted: 1982-04-15
Abstract: An illustrative embodiment of the invention discloses a borehole effects compensation technique for a neutran logging tool The third detector equivalent is positioned within the tool a distance relative to the neutron source and the other detector caused by variations in the borehole environment to be generally distinguishable from changes in the signal from at least one of the other detectors.  The signals from the third detector and one of the two other detectors are combined in other to compensate for the influence of the borehole environment.
Patent KR-830000939-B1 (KR)
Title: Lighting system of discharge lamp
Inventor: KANEDA ISAO
IPC: H05B41/14
Filed: 1977-09-24
Granted: 1983-05-11
Abstract: The discharge lamp adopts every cycle start lighting system to lower power loss to less than one-fourth, and to smallize dimensions below one-fourth at a weight ratio. The system involves a high voltage generating means which operates at every semi-cycle of a low frequency A.C. source, and supplies the lamp with high voltage for re-lighting. The low freq. AC source voltage is larger than tube voltage of the lamp, and smaller than the re-lighting voltage.
Patent KR-830001463-B1 (KR)
Title: 내화벽돌의 제조방법
Filed: 1980-02-13
Granted: 1983-07-30
Abstract: 내용 없음.
Patent KR-840000437-B1 (KR)
Title: System for accessing memory modules
Inventor: IMURA TAKAO
IPC: G06F13/00
Filed: 1980-03-19
Granted: 1984-04-06
Abstract: This system accesses memory modules using an effective address composed of three parts.  The first and second parts are defermined later than the third part. The first step requires that a method be found to store.  Second, the third part of the current effective address is stored.  Finally, the first part of the previous effective address is stored.
Patent KR-840001365-B1 (KR)
Title: Corona-resistant resin composition
Inventor: JOHNSTON DON RICHARD
IPC: H01B3/40
Filed: 1980-07-30
Granted: 1984-09-20
Abstract: Electrical insulating system was made of corona-resistant resin and film.  Thus, a coating compn. of 5-40wt.% additive selected from organo aluminate compd., organo silicate compd.,<0.1μ diameter silicone powder and<0.1μ diameter alumina powder, and synthetic resin film(vinyl resin-free) was coated on electrical conductor to make corona-resistant electrical insulation system.
Patent KR-850000176-B1 (KR)
Title: Process for preparing sililated organic polymers
Inventor: TRIPP JEFFREY A
IPC: C08G65/336
Filed: 1981-07-22
Granted: 1985-03-04
Abstract: A silylated organic polymer of formula (I) is obtd. from the reaction of a silyated aminofunctional polyester and a polymeric organic acid, having at least one acid gp. per mol. at -10 to 200≰C. The polymeric organic acid is obtd. by the polymerization of an aliphatically unsatd. organic acid. In hydrocarbon; a is 0-4; n is 2-4; and x is 1- 600. The produced polymer is used to treat textile materials and to impart hydrophilic properteis to the textile.
Patent KR-860001575-B1 (KR)
Title: Process for the production of human placental lactogen
Inventor: SUKIMODO KANAME
IPC: A61K35/26
Filed: 1981-12-18
Granted: 1986-10-10
Abstract: Human placentral lactogen (HPL) was produced by hybridoma cells following cell growth as an implant in an animal. Thus, cells from a human choriocarcinoma were fused with Namalevaf human leukenic lymphoblasts. After cloning, the selected cells were implanted i.p. in adult nude mice. After 5 wk, the resulting massive tumors were removed and disaggregated. The cells were incubated in pH 7.2 Earle 199 medium contg. 10% fetal calf  serum and 30mM arginine at 35≰C for 20 hrs. and then ultrasonicated. The yield of HPL was 340 μg/ml.
Patent KR-890001370-B1 (KR)
Title: Method of production of a part formed with an opening
Inventor: OZIAI YITSUMI
IPC: B21D19/08
Filed: 1982-12-17
Granted: 1989-05-02
Abstract: A metal strip material is subjected to rolling at its outer peripheral portion to have its thickness slightly reduced and shape the strip into a ring-shaped blank.  At least one of inner and outer peripheral portions of the ring-shaped blank is drawn by a press to form at least one flange.  The metal strip is supported in coil form on an uncoiler and paid out therefrom and subjected to straightening before being subjected to rolling when the metal strip material is rolled, its inner side being wrinkled.  A ringshaped blank is cut and a projection is formed at one end portion and superposed on the other end portion to be joined by welding to provide a completed blank.
Patent KR-910007103-B1 (KR)
Inventor: FISHER JOHN R JR
IPC: H01L21/00
Filed: 1983-03-14
Granted: 1991-09-18
Abstract: 내용 없음.
Patent KR-880000115-B1 (KR)
Title: Controlling apparatus of the drier
Inventor: NAGAYASU KUNIYAKI
IPC: D06F58/30
Filed: 1983-06-03
Granted: 1988-03-12
Abstract: Method and appts. for controlling a rotary-drum clothes dryer having a fan blowing hot air along an intake passage with a heater, the fan being located in an exhaust passage downstream of the drum, in which the electrical resistance of articles in the drum is measured until detection to be representative of near complete dryness.  In response to that detection the exhaust air temp. is monitored w.r.t. its variation rate, and a time delay period is estimated, specifically by microcomputer, at the end of which the heater is deenergised.
Patent KR-920001208-B1 (KR)
Inventor: NISKANEN AULIS
IPC: B63B19/26
Filed: 1983-12-21
Granted: 1992-02-06
Abstract: 내용 없음.
Patent KR-920004632-B1 (KR)
Inventor: EHEMANN GEORGE M JR
IPC: H01J9/227
Filed: 1983-12-23
Granted: 1992-06-12
Abstract: 내용 없음.
Patent KR-860000317-B1 (KR)
Title: Printing process on polyester film
Inventor: KIM CHU-HYONG
IPC: B41M1/30
Filed: 1984-04-19
Granted: 1986-04-09
Abstract: Polyester film is printed by treating it with 0-phenyl phenol solution, by attaching to the film paper printed with subliming polyester dye having 120 - 150≰C sublimation temperature on the surface of the film, and by heating and pressing at 120 - 150≰C. Pretreatment with 2 - 5% 0-phenyl phenol solution dissolved in methanol, ethanol, or sodium hydroxide facilitates dye penetration by relaxation and swelling of dense structures in the film.
Patent KR-900003530-B1 (KR)
Title: Crystalline salts of l or (s)-3-(3,4-dihydroxyphenyl)-2-methyl alanine esters and process
Inventor: GRABOWSKI EDWARD J J
IPC: A61K31/215
Filed: 1984-08-28
Granted: 1990-05-21
Abstract: Prepn. of mixt. of salts of (R) and (S) diasteromers of 1pivaloyloxyethyl ester of (S)-3-(3,4-dihydroxyphenyl)-2- methylalanine in their crystalline forms comprises (a) forming soln. of (R,S)-1-pivaloyloxyethyl (S)-3-(3,4-dihydroxyphenyl)-2- methylalaninate in non-polar water immiscible organic solvent, (b) adding solvent forming hydroxylated solvent and salt forming oxygentated acid, and (c) contacting the mixt. to crystallise the salts. The salts are useful as a stable antihypertensive esp. for osmotic delivery systems.
Patent KR-870000333-B1 (KR)
Title: Method for floating the net of seaweed sprout
Inventor: YUN YU-TAEK
IPC: A01G33/02
Filed: 1984-10-30
Granted: 1987-03-04
Abstract: This invention relates to the method for floating the net of seaweed sprout by the reciprocal action of the ebb and flow of the tide and the standing and lying action. When the tide is at the full at its highest (Y), the canteen poise (13) is filled with seawater. But the net of seaweed sprout (8) is still sinking in the sea because the floating body (1)(2) is inclined to the surface of sea. When the tide is to ebbs(Z), the floating  body stands up because the canteen poise falls down, and the net of seawed sprout rises to the surface of sea.
Patent KR-900008504-B1 (KR)
Title: Process for producing continous insulated metallic substrate and apparatus therefor
Inventor: TAKEHISA NAKAYAMA
IPC: C23C16/54
Filed: 1984-12-01
Granted: 1990-11-24
Abstract: A process for producing a continuous web of an insulated metalic substrate, comprising the steps of depositing an insulation layer on a continuous web of a metalic substrate by plasma CVD method or sputtering method, and depositing a back electrode on the insulation layer by sputtering method or vapor deposition method. According to the present invention, the insulated metalic substrate for a solar cell or printed circuit board can be produced in a continuous manner and in high productivity and quality.
Patent KR-870001618-B1 (KR)
Title: Method for manufacturing decomposition of animal protein
Inventor: CHOE YONG-HWAN
IPC: A23L13/30
Filed: 1984-12-27
Granted: 1987-09-17
Abstract: Animal protein hydrolysate is prepd.  Thus, 1kg cow bone with small amt, of flesh is washed with tap water, added to the equal amt, of water, autoclaved at 120≰C for 20min, cooled to 40≰C, adjusted with HCl to pH2.0, and treated with 0.05% pepsin(10000 units/g) based on the substrate for 3hr.  The hydrolysate is adjusted with Na2CO3 to pH5.0 and treated with 0.03% lipase (13750units/mg) based on the lipid content for 1hr at 40≰C.  The hydrolysate is adjusted to pH6.0, heated at 100≰C for 15min, cooled to room temp. and centrifuged.  The supernatant is concentrated to give 460g protein hydrolysate.
Patent KR-900005289-B1 (KR)
Title: Reflecting plate
Inventor: YAMAMOTO KANJIRO
IPC: B32B15/098
Filed: 1985-01-15
Granted: 1990-07-27
Abstract: A reflecting plate for an illuminating lamp includes a thermosetting resin interlayer formed on a substrate and carryign a thin metalic film. The resin is polyurethane or melamine, and the film is of a aluminium and is formed by vacuum deposition. The film may be covered by a transparent thermosetting resin layer 10-20 microns thick and formed by applying a soln. of resin and heatcuring so that the layer has a pencil hardness of 4H or higher. The substrate is a metal plate and the interlayer is at least 20 microns thick and has max. surface roughness of not more than 0.3 microns.
Patent KR-890001143-B1 (KR)
Title: Solid type agricultural chemicals
Inventor: OTA MASHAAKI
IPC: A01N25/22
Filed: 1985-10-04
Granted: 1989-04-25
Abstract: A compn. of agricultural chemicals is presented.  Thus, a mixt. contg. 50 parts pyrroquilone, 30 parts polyvinyl alcohol, 50 parts nickle chloride, 870 parts clay and a proper amt. of water was granulated; selected granules contg. 5% pyrroquilone showed a good effect as a fungicide of rice blast.
Patent KR-930001831-B1 (KR)
Inventor: KITAMORI NOBUYUKI
IPC: A61K31/51
Filed: 1985-10-08
Granted: 1993-03-15
Abstract: 내용 없음.
Patent KR-930004071-B1 (KR)
Inventor: LINDNER GOERG H
IPC: C23C16/40
Filed: 1985-12-11
Granted: 1993-05-20
Abstract: 내용 없음.
Patent KR-890004958-B1 (KR)
Title: Semiconductor integrated circuit
Inventor: SAKURAI DAKAYAS
IPC: H03K19/094
Filed: 1986-01-09
Granted: 1989-12-02
Abstract: The CMOS circuit includes signal output terminals (18,21), load ciruits (11,22,26) connected to the signal output terminals and at least one first channel transistor.  An enhancement MOS transistor (14) which is normaly on-state is interposed between the transistor output terminal and the signal output terminal to prevent deterioration due to hot carriers occuring in the short channel CMOS transistors.
Patent KR-900000663-B1 (KR)
Title: Flow control device
Inventor: KANEKO SIZUO
IPC: G05D7/06
Filed: 1986-01-17
Granted: 1990-02-02
Abstract: A flow control system (1), for controlling the flow quantity by a stepping motor operated by temp. different sensors, comprises a flow quantity measuring means (2), a stepping motor (3), a rotation-linear motion converter (4), and a control valve having a shaft (5), a bellows (6), a valve body (7), and a valve seat (8a). The quantity measuring means includes a detecting circuit (21) producing an output signal (Va) responsive to the temp. differnece between tow temp. sensors (2a,2b).  The stepping motor is operated with a regular angular dispalcement responsive to the output signal coming out of the flow quantity measuring means.
Patent KR-940002017-B1 (KR)
Inventor: NAKAMURA SEIJO
IPC: B22C1/18
Filed: 1986-02-25
Granted: 1994-03-14
Abstract: 내용 없음.
Patent KR-940003643-B1 (KR)
Inventor: FUJIWARA HIDEO
IPC: G11B5/23
Filed: 1986-08-11
Granted: 1994-04-25
Abstract: 내용 없음.
Patent KR-930003093-B1 (KR)
Inventor: MINAMIJAWA YOICHI
IPC: A23L11/00
Filed: 1986-11-18
Granted: 1993-04-19
Abstract: 내용 없음.
Patent KR-890002248-B1 (KR)
Title: Slaking-resistant refractory aggregates and process for producing the same
Inventor: RINKAKAKU IND CO LTD
IPC: C04B35/057
Filed: 1987-01-06
Granted: 1989-06-26
Abstract: Soaking granular CaO-contd. clinker (i.e. dolomite or calcia clinker) into O-H3PO4 or phosphates (0.25-10 wt.% amt. to clinker, i.e. o- phosphate of alk. metal, Zn, Al, Fe or ammonium) for enough time to form almost insoluble calcium phosphate-coat-layer on the granular, and calcining at the above 300 deg.C to give slakingresistant refractory aggregates.
Patent KR-910006811-B1 (KR)
Title: Process for preparing high purity dermatan sulfate
Inventor: BONO RINALDO D
IPC: C08B37/08
Filed: 1987-03-23
Granted: 1991-09-02
Abstract: A process for preparing dermatan sulphate (DS) of pharmaceutical purity from animal organs rich in mucopolysaccharides (MPS), by: a) stabilising the fresh organs by freezing them either as such or in the form of powder, b) micronising the material containing the MPS with an aqueous CaCl₂ solution, c) digesting the homoge­nate comprising the raw material and the CaCl₂ with proteolytic enzymes at alkaline pH and at low temperature, d) acidifying, heating and filtering the lysate, e) treating the filtrate with quaternary ammonium salts able to undergo complexing with and thus precipitate either the DS alone or all the MPS selectively, f) recovering and purifying the DS either directly from the ammonium salt complex containing it or from the complex obtained from the mixture of ammonium salt complexes of all the MPS by fractional solubilisaton with acetone.
Patent KR-950008476-B1 (KR)
Inventor: INAKAKI HAJIME
IPC: C08L33/08
Filed: 1987-05-30
Granted: 1995-07-31
Abstract: 내용 없음.
Patent KR-910000352-B1 (KR)
Title: Automatic gain control method in emergency calling system
Inventor: KIM JAE-GON
IPC: H04M1/00
Filed: 1987-10-05
Granted: 1991-01-24
Abstract: This provides an  automatic  gain  control  in  the  parallel connect on type emergency  calling  system,  which  solves  signal attenuating problem in long distance system as  the  frequencg  is higher  within  the  voice  frequency  band.  The  system  has   a self-diagnosis stage to check signal level while maintaining  good sensitivity. Diagnostic test is divided into the voice  gain  test checking the handset on or not and the electronic gain test of the lamp circuit it. The electronic gain  control  has  procedures  of sending electronic gain test message  and  test  tone  to  handset hooked on, and sending gain control data according to  the  degree of lime attenuation after comparing  feedback  signal  level  with reference gain.
Patent KR-900007426-B1 (KR)
Title: The preservation circuit of memory by voltage detection
Inventor: KIM JONG-PYO
IPC: H02J9/04
Filed: 1987-10-30
Granted: 1990-10-08
Abstract: The circuit for protecting the memory with a voltage detector comprises a voltage detector (31) detecting the source power voltage (Vcc), a decoder (32) decoding the address signal to allocat the memory, a memory array (33) controlled by the decoded signal, and a power supply providing the operating power through a diode (23) and the backup power (B+) through a pair of diodes (21,22) and a resistor (14) to the decoder and the memory array.
Patent KR-900008084-B1 (KR)
Title: High-speed searching apparatus for cdp
Inventor: KIM SUNG-HAN
IPC: G11B7/09
Filed: 1987-11-30
Granted: 1990-10-31
Abstract: An apparatus having means for deciding a moving distance of an optical pick-up by integrating an output of a sensor coil connected with a linear DC motor includes a track servo and driving circuits (7,8), a slide servo circuit (9), a slide driving circuit (10) for comparing an output of the sensor coil with an output of the slide servo circuit and for controlling the sliding of the linear DC motor, an integrator (61) for smoothing the output signal of the sensor coil, a comparator (62) for comparing the output of the integrator with an analog voltage obtained by converting the data in ROM and for generating 1/2 point signal, and a D/A converter (63).
Patent KR-910003411-B1 (KR)
Inventor: SATAKE TOSIHIKO
IPC: B07C5/34
Filed: 1987-12-10
Granted: 1991-05-30
Abstract: 내용 없음.
Patent KR-900003407-B1 (KR)
Title: Silyl compound and preparation method thereof
Inventor: CHANG MUN-HO
IPC: C07F7/10
Filed: 1987-12-12
Granted: 1990-05-18
Abstract: A silyl cpd. of formula (I) is prepd. by reacting an ester cpd. of formula (II) with a halosilan cpd. of formula M-(CH2)n- Si (X)(Y)(Z) in the presence of solvent i.e. DMF, MeOH and base i.e. NaOH, Na2CO3 at 10-30 deg. C. In the formulas, R1=H or trityl gp.; R2= carboxy or methylester gp.; M=I; X= Y= Z= Me; n=1. (I) is useful as an intermediate for the prodn. of cephalosporin cpds.