baber/WOPTO huggingface dataset:
Patent KR-20000004265-A (KR)
Title: Tv controlling apparatus with program guiding function and program guiding method
Inventor: SONG YEONG SIN
IPC: H04N5/44
Filed: 1998-06-30
Abstract: PURPOSE: A TV controlling apparatus with a program guiding function is provided to store a guiding program in a corresponding channel, which is provided at a screen adjusting time, and display the guiding program on a screen when being required to reproduce the guiding program so that a user confirms the guiding program whenever he wants to. CONSTITUTION: According to the guiding method, in a state that the corresponding channel and a storing time for storing the guiding program are previously set, the guiding program in the corresponding channel is automatically stored at the set time in the TV. If the user requires to reproduce the guiding program, the guiding program in the corresponding channel is displayed on the TV screen. Thereby, the user can always confirm the guiding program.
Patent KR-19990013726-A (KR)
Title: 섬유강화 열가소성재료 성형품 및 그 제조 방법
IPC: B29C45/00
Filed: 1998-07-09
Abstract: 고체의 열가소성 수지와 길이 약 3 ㎜ ∼ 약 50 ㎜ 의 강화섬유를 단일의 공급구에서 동시에 가소화 장치로 공급하는 공정; 
     상기 가소화 장치내에서 상기 열가소성재료를 용융시키면서, 상기 열가소성재료와 상기 강화섬유를 혼련하여 혼련물을 제조하는 공정; 
     상기 혼련물을 상기 가소화 장치에서 금형의 캐비티 내로 공급하는 공정; 및 
     상기 캐비티 내에서 상기 혼련물을 부형하는 공정으로 이루어지는 섬유강화 열가소성재료 성형품의 제조 방법, 및 상기 방법에 의하여 제조되는, 중량 평균 길이가 약 2 ㎜ 이상의 섬유를 함유하는 섬유강화 열가소성재료 성형품이 제공된다.
Patent KR-20000009063-A (KR)
Title: Presplitting method of rock and rock cutting method by presplitting
Inventor: LEE JAE KIL
IPC: E21C37/14
Filed: 1998-07-21
Abstract: PURPOSE: The presplitting method is provided to reduce the noise and the delivery of vibration to the buildings around when blasting rock. CONSTITUTION: The rock cutting method has the steps of:charging gunpowder in each hole(11) having wings and leaving a hole(12) with no gunpowder in it; drilling the hole(11) having wings to the wing-direction around the underground area to be dug or forming the outer crushing line(A) by drilling in turn the hole(11) having wings and circle-shaped hole(12); forming a crushing line(B) inside of the crushing line(A); exploding the gunpowder charged in the circle-shaped hole(13) for blasting drilled between the crushing line(A) and the inner crushing line(B); excavating the rock of the area to be dug inside of the inner crushing line(B).
Patent KR-20000009589-A (KR)
Title: Food including extract of nasturtium officinale having inhibitive effect of high blood pressure
Inventor: PARK HYUNG HWAN
IPC: A23L33/00
Filed: 1998-07-27
Abstract: PURPOSE: Food including extract of nasturtium officinale having the inhibitive effect of high blood pressure is provided to expect the continuous drinking effect by simply taking the food anywhere. CONSTITUTION: The food including extract of nasturtium officinale is manufactured by the steps of: extracting for 1-3 hours by heating the material at a temperature of 80-100°C after mixing 100g of the well-dried nasturtium officinale powder with 3 liters of distilled water; filtrating the extract after cooling it at the normal temperature; repeating the same extracting process three times after adding the same amount of distilled water to the remained material; and obtaining the extract of nasturtium offcinale by drying it under the vacuous state after concentrating it with a vacuum concentrator.
Patent KR-19990023413-A (KR)
Title: 단순 매트릭스 액정 구동 방법
IPC: G09F9/35
Filed: 1998-08-06
Abstract: 본 발명은 복수의 세그먼트(segment)를 1/n 듀티(duty)의 2값의 전압으로 구동하는 액정 구동 방법에 있어서, 1 프레임 기간이 커먼(common) 신호와 세그먼트 신호에 의해 선순차(線順次) 구동 동작을 실행하는 제 1 기간과, 표시 패턴에 따라 발생하는 세그먼트 전압의 편차를 조정하는 제 2 기간과, 1 프레임 기간중, 제 1 기간과 제 2 기간을 제외하는 기간에서 커먼(common) 신호와 세그먼트 신호의 전위를 동(同)전위로 하는 제 3 기간을 포함하는 액정 구동 방법이다.  이 구동 방법에 따르면, Von/Voff 값을 일정하게 유지하여, 표시 패턴에 따라 발생하는 콘트라스트(contrast)의 편차나 크로스토크(crosstalk)를 없애, 양호한 표시 품질을 실현할 수 있음과 동시에, 액정에 인가되는 구동 전압의 실효값의 크기를, 전원 전압에 관계없이 조정할 수 있다.
Patent KR-20000014985-A (KR)
Title: Method of stabilizing network synchronization state management in cdma system
Inventor: LEE GYEONG JAE
IPC: H04B7/26
Filed: 1998-08-26
Abstract: PURPOSE: A network synchronization stabilizing method is provided to prevent a data error of each connecting maintenance with a network synchronization. CONSTITUTION: The method comprises classifying an address area of a DP-RAM by each data type and differently constructing from each other, and forming a data format by each data type and then reading a data from a corresponding data type address if a certain address area is indicated upon requirement of the data connecting with network synchronization, and performing a data treatment. The method is applied to a CDMA system comprising a triplicated network synchronization board, a network synchronization device which reads a data in the DP-RAM of the network synchronization board and transfers to TDMH (telephony device maintenance handling). Thereby, the data error in the network synchronization state management is prevented and it can be applied to a peripheral device processing unit which manages various devices.
Patent KR-20000018415-A (KR)
Title: Lead wire fixing structure of motor bobbin
Inventor: LEE GANG UN
IPC: H02K3/50
Filed: 1998-09-02
Abstract: PURPOSE: A lead wire fixing structure of a motor bobbin is provided to improve productivity by simplifying a fixing work of a lead wire and prevent a flux from sticking to a magnet coil by sufficiently securing a margin of the lead wire. CONSTITUTION: A lead wire fixing structure of a motor bobbin comprises a magnet wire fixed to a wound bobbin and a lead wire for supplying power to the magnet wire. The bobbin has a fixing groove where at least one and more couple of fixing ball and one side is open, respectively. The lead wire is inserted into the fixing ball and the fixing groove for fixing the lead wire. A chin for preventing separation of the lead wire is formed at an inlet of the fixing groove.
Patent KR-20000019450-A (KR)
Title: Input buffer for decreasing standby current
Inventor: SHIN KWANG SEOB
IPC: H03K19/003
Filed: 1998-09-11
Abstract: PURPOSE: An input buffer for decreasing standby current is provided to decrease the power consumption by blocking up a current channel be made when a logic 'high' level is applied. CONSTITUTION: An externally applied data is transmitted through an input data line(APAD). A buffered data is transmitted through an inversion data terminal(AO). A power potential is supplied through a power line(VCC) and a ground potential is supplied through a ground line(VSS). A first PMOS transistor(P1) and a second PMOS transistor(P2) have a source-drain channel combined serially between the power line(VCC) and the inversion data terminal(AO), a gate of one of them is combined with the input data line(APAD. A first NMOS transistor(N2) has a drain-source channel combined between the power line(VCC) and the ground line(VSS) and a gate combined with the input data line. A control block of current channel(100) generates a control signal buffering the signal applied through the inversion data terminal(AO) and swing to the power potential and the ground potential. And the control block of cerrent channel(100) applies the control signal to the gate of one of both the first PMOS transistor(P1) and the second PMOS transistor(P2).
Patent KR-19990029878-A (KR)
Title: 열 보조 감광성 조성물 및 그의 사용 방법
IPC: G03F7/031
Filed: 1998-09-17
Abstract: 본 발명은 
     (1) 일종 이상의 아크릴 단량체, 
     (2) 광개시 시스템, 
     (3) 열 보조 촉매 및 
     (4) 산성 아크릴 중합체 
     를 포함하는 (b) 유기 매체에 분산된 (a) 미분 전기 전도성 또는 유전 입자의 혼합물을 포함하는 감광성 후막 조성물에 관한 것이다.
Patent KR-19990037005-A (KR)
Title: 엘리베이터 장치
IPC: B66B/
Filed: 1998-10-10
Abstract: 전력변환기와 이 전력변환기에서 전력이 공급되어 엘리베이터를 구동하는 전동기와, 이 전동기의 전류를 검출하는 전류검출수단을 구비한 엘리베이터 장치에 있어서, 엘리베이터 제어용의 마이크로컴퓨터를 이용하여 검출전류를 표시하는데 적당한 데이터로 변환처리하여, 엘리베이터 플로어의 호출부에 설치된 커넥터로 인입하여, 이 커넥터에 외부표시수단을 착탈자재하게 접속함으로써 운전중 엘리베이터의 전동기 전류를 표시한다.
Patent KR-20000026076-A (KR)
Title: Method for adjusting volume of broadcasting receiver in radio data system
Inventor: PARK HEUNG GYU
IPC: H03G7/00
Filed: 1998-10-17
Abstract: PURPOSE: A method for adjusting a volume of a broadcasting receiver of a radio data system is provided to adjust a volume automatically seizing the contents of a program according to an input program type, and to make a volume be adjusted automatically according to the contents of a changed program. CONSTITUTION: In a method for adjusting a volume of a broadcasting receiver in a radio data system(RDS), a micro computer judges whether an RDS select switch is at an ON state(S1). If the switch is at the ON state, a program(PTY) code is received(S2), and the received PTY code is analyzed by a volume adjustment micro computer(S3). Whether a value of the received PTY code is '1' is judged by the volume adjustment micro computer(S4). If so, the volume adjustment micro computer judges the program contents corresponding to the received PTY code value as the 'news', and operates an electronic volume to a news volume(S5). If the value of the received PTY code is not '1', there is judged whether a value of the PTY code is '100' is judged(S6). If so, the volume adjustment micro computer judges the program contents corresponding to the received PTY code value as the 'sports', and operates the electronic volume to a sports volume(S7). If the value of the received PTY code is not '100', there is judged whether a value of the PTY code is '1010' is judged(S8). If so, the volume adjustment micro computer judges the program contents corresponding to the received PTY code value as a corresponding program, and operates the electronic volume to a program volume(S9).
Patent KR-20000026633-A (KR)
Title: Method for manufacturing capacitor of ferroelectric ram
Inventor: PARK SHIN SEUNG
IPC: H01L27/10
Filed: 1998-10-22
Abstract: PURPOSE: A method for manufacturing a capacitor of a ferroelectric RAM is provided to prevent a lifting phenomena of a lower portion electrode by cleaning the remainder of an etching process by using a mixed solution of 2-(2 aminoethoxy) ethanol/ N-methylpyrrolidone. CONSTITUTION: A method for manufacturing a capacitor of a ferroelectric RAM comprises the steps of: forming an interlayer dielectrics(12) on an upper portion of a semiconductor substrate formed with a predetermined lower portion structure; forming an accumulated structure of an adhesive layer(14), a Pt layer(16), and a dielectric layer on an upper portion of the interlayer dielectrics; forming a photoresist pattern on an upper portion of the dielectric layer(18) and etching the accumulated structure by using the photoresist pattern as an etch mask; removing the photoresist layer pattern; and cleaning and rinsing the remainder of the etching process by using a mixed solution of 2-(2 aminoethoxy) ethanol/ N-methylpyrrolidone.
Patent KR-20000031298-A (KR)
Title: Method for forming patterns for decorative elements of furniture
Inventor: JI YONG CHUN
IPC: B44C3/04
Filed: 1998-11-05
Abstract: PURPOSE: A method for forming patterns for decorative elements of furniture is provided to simplify the manufacturing procedure by molding the decorative element and simultaneously attaching the patterning element to the decorative element regardless of the surface shape of the decorative element with a superior coupling precis ion. CONSTITUTION: A method for forming patterns for decorative elements of furniture includes a first step(S1) of mounting a patterning element(4) coated with an adhesive agent on the lower mold plate(1), a second step(S2) of securing a film(3) on a top part of the lower mold plate, a third step(S3) of supplying resin in the colloid liquid phase onto the lower mold plate, a fourth step(S4) of molding a decorative element(100) by compressing the resin onto an upper mold plate(2) while adhesively fixing the patterning element on the top surface of the film and simultaneously to be received by the resin, and a fifth step(S5) of removing residual resin after the resin is solidified, thereby attaching the patterning element on the surface of the decorative element.
Patent KR-20000033122-A (KR)
Title: Method for removing total-nitrogen in wastewater from manufacturing process of melamine
Inventor: HAN SANG BAE
IPC: C02F1/52
Filed: 1998-11-19
Abstract: PURPOSE: A method for removing total-nitrogen in waste water from manufacturing process of melamine is provided, which is characterized in that the ammonium nitrate in waste water is removed by forming magnesium ammonium phosphate. CONSTITUTION: The method is composed of the following processes of: a first process is to cool waste water, and to adjust pH 6-8, so, melamine and ammeline are removed by extracting; a second process is to adjust pH 4-5 in effluent from the first process so that ammeline is removed by extracting; a third process is applied selectively to adjust pH 11-13 in effluent of the second process, and magnesium ammonium phosphate (MAP) is formed by injection magnesium and phosphate into the effluent and stirring fast, so that ammonium-nitrogen is removed. The pH of the waste water can be adjusted by only adding alum, and a tank for forming floc and a tank for settling are needed.
Patent KR-20000038915-A (KR)
Title: Graphic image alteration method in game manufacturing tools
Inventor: KIM HO KWANG
IPC: G06T17/00
Filed: 1998-12-10
Abstract: PURPOSE: A graphic image alteration method in a game manufacturing tools is provided to easily change sub graphic images by combining the part of sound and program. CONSTITUTION: A basic graphic image of the objects that appear on a game are displayed on the screen so that the users can select its favorite objects in the Graphic User Interface (GUI) environment (1st stage); when the objects are selected, subsidiary graphic images which are possible to be linked with these principal objects are displayed on the screen so that the users can select the subsidiary images on the GUI environment (2nd stage); when the subsidiary graphic images are selected on the 2nd stage, the principal graphic images and a number os graphic images are linked and displayed as one graphic image to be displayed on the screen. This system provides a method of changing graphic images from the game manufacturing tools which include the above three stages.
Patent KR-20000042552-A (KR)
Title: Circular refrigerator
Inventor: KIM JONG HAN
IPC: F25D11/00
Filed: 1998-12-26
Abstract: PURPOSE: A circular refrigerator is provided for a user to easily check and take out a food inside of a cavity by rotating a rack, which is installed for being rotated. CONSTITUTION: Cool air generated from a compressor(250) is circulated through a cool air flowing passage(240) between a cavity(210) and a housing(200) for being discharged to the cavity through a cool air vent port(230) installed on the side of the cavity. Herein, at least one of the cool air vent ports is installed on the side of the cavity having a circular rack(222) for directly discharging the cool air to the circular rack. Moreover, a rotation rod(221) of a food mounting stand(220) is stably supported at the upper portion and the lower portion of the cavity for being rotated. The center of the circular rack is installed for surrounding the rotation rod. When a user rotates the rotation rod, the circular rack rotates with food on the circular rack. The user takes out food inside by rotating the food mounting stand.
Patent KR-19990066872-A (KR)
Title: 프로필 클램프와 그 제조방법
IPC: C22C38/00
Filed: 1998-12-26
Abstract: 스틸 외접 클램프는 플랜지가 형성된 요소들을 결합하는데 사용된다. 외접 클램프는 반경방향 내측으로 굽혀진 적어도 부분적으로 원추형 측벽을 구비한다. 스틸은 결합부의 증가된 부하 지지용량을 위한 마르텐사이트이다. 상기 스틸은 20℃-750℃의 주변 온도에서 페라이트 주철재료의 것보다 적어도 0.3 X 10 -6 m/m℃ 만큼 낮은 열팽창계수를 갖는다. 외접 클램프를 제조하는 방법은 스트립 형태일 경우 외접 클램프의 재료를 사전 담금질하고 템퍼링하는 것을 포함한다. 외접 클램프를 성형 및 용접한 다음 상기 용접부는 유도 템퍼링 처리를 받는다.
Patent KR-19990063496-A (KR)
Title: 향상된 저장전극을 제조하는 방법
IPC: H01L21/02
Filed: 1998-12-26
Abstract: 표면상에 형성된 다수의 반구 돌출부를 갖는  저장전극을  형성하는 방법에 있어서,  저장전극의 표면상에  다수의 반구 돌출부를 형성한 후,  20KeV 내지 50KeV 의 이온주입 에너지하에서  그 반구 돌출부에  인 또는 비소를  이온주입한다.
Patent KR-20000043751-A (KR)
Title: Pivot device for railroad car
Inventor: YANG BANG SEOB
IPC: B61F5/00
Filed: 1998-12-29
Abstract: PURPOSE: A pivot device for railroad car is provided to prevent a fluctuation by flexibly supporting loads occurring from front, rear, left and right sides on riding, easily manufacture by cutting off the number of processes, cut down manufacturing cost and simply implement maintenance. CONSTITUTION: A pivot device(10) for railroad car comprises a center pivot(1), many cross stoppers(2) and many rubber springs(3). The center pivot(1) has a center axis, a supporting portion and a body and welded to the lower frame of the chassis of a railroad car. The cross stoppers(2) are formed of sliding portions engaged to a shock absorbing part by screws and engaged to second plates(42) by screws by facing the other cross stoppers(2) about the center pivot(1). The rubber springs(3) are formed of rubber plates and steel plates attached to both sides of the rubber plates. The rubber springs(3) are engaged to the second plates(42) by screws by facing the other rubber springs(3) about the center pivot(1). Therefore, the simple structure flexibly supports the loads occurring from front, rear, left and right sides on riding.
Patent KR-20000044304-A (KR)
Title: Method for controlling batch job in paging remote cathode ray tube(crt)
Inventor: HAN MAN HYEOK
IPC: H04M3/22
Filed: 1998-12-30
Abstract: PURPOSE: A method for controlling a batch job in a paging remote cathode ray tube(CRT), is provided for an operator to perform a corresponding instruction word file with a batch job at need without inputting every instruction work, with storing instruction words used periodically and sequential instruction words used frequently in many instruction word files, by using text file types of instruction word files stored inside a system operated by the remote CRT. CONSTITUTION: A method for controlling a batch job in a paging remote cathode ray tube(CRT), comprises the steps of: previously storing instruction words needed for a batch job in a storage device inside a system which enables to operate the remote CRT; performing a user connection to an equipment where the remote CRT deamon is performed by using a telnet client; performing a screen control by dividing a screen of the telnet client connected to the equipment as a user into a type similar to a CRT; operating a job by reading instruction words stored in the system by instruction words when inputting a batch job file on the remote CRT, and transmitting the read instruction words into an exchange in a remote CRT deamon.
Patent KR-20000046093-A (KR)
Title: Thermoplastic resin composition having good plasticity and extruding stability
Inventor: AHN KYUNG HYUN
IPC: C08L55/02
Filed: 1998-12-31
Abstract: PURPOSE: A thermoplastic resin composition having a good plasticity and extruding stability is provided which contains one or more divalent compound selected from the group of a divalent metal salt, a divalent metal chloride, a divalent metal carbide and a divalent metal oxide, so it propers to manufacture large plastic goods or curved plastic goods. CONSTITUTION: A thermoplastic resin composition having a good plasticity and extruding stability is composed of 20-50 wt. pts. of copolymer(I) which is made by a copolymerization of rubber copolymer(B) with cyanovinyl compound(A) and aliphaticvinyl compound(S) or (A), (B) and monomer(E), and wherein the weight average molecular weight of the copolymer(II) is 120,000-600,000. The copolymerized weight average molecular weight is more 18,000 by containing 0.01-3 wt. pts. of composition composed of 1-99 wt% of multifunctional mercaptan and 99-1 wt% of vinyl benzene based compound, and contains an ingredient having more 0.6 of intrinsic viscosity. In addition, the thermoplastic resin composition contains 0.001-10 wt. pts. of one or more divalent compound.
Patent KR-19990035978-A (KR)
IPC: C08G18/48
Filed: 1996-07-26
Abstract: PCT No. PCT/EP96/03297 Sec. 371 Date Jan. 22, 1998 Sec. 102(e) Date Jan. 22, 1998 PCT Filed Jul. 26, 1996 PCT Pub. No. WO97/05188 PCT Pub. Date Feb. 13, 1997In a process for the preparation of copolymers of tetrahydrofuran and but-2-yne-1,4-diol by catalytic polymerization of tetrahydrofuran, the polymerization is carried out over a heterogeneous acidic catalyst which has acid centers of acidity pKa<+2 in a concentration of at least 0.005 mmol/g of catalyst, in the presence of but-2-yne-1,4-diol. In particular, for the preparation of polyoxytetramethylene glycol, the copolymers are reacted in the presence of hydrogen over a hydrogenation catalyst.
Patent KR-19990071726-A (KR)
Title: 표시장치 및 표시장치의 제조방법
IPC: G02F1/1335
Filed: 1995-11-29
Abstract: 제 1 및 제 2기판(1, 2)은 서로 대향한다.  액정층(3)은 각 기판(1, 2) 사이에 배치된다.  공통전극(5)은, 제 2기판(2)의 액정층(3)측에 형성된다.  액정셀(LC)의 표시전극(4)은, 제 1기판(1)의 액정층(3)측에 형성된다.  화소구동소자(106)는 표시전극(4)에 접속된다.  RGB의 각 색의 온칩 칼라필터(8a∼8c, 41a∼41c, 51a∼51c)는, 표시전극(4)의 액정층(3)측에 형성된 감광성고분자칼라필름(31, 43, 53)으로 이루어진다.  블랙매트릭스(9, 42, 52)는, RGB의 각 색의 온칩 칼라필터(8a∼8c, 41a∼41c, 51a∼51c)의 사이에 형성된 감광성고분자칼라필름(33, 54)으로 이루어진다.
Patent KR-19990087103-A (KR)
Title: 암호키 공유방법
IPC: H04L9/08
Filed: 1997-02-19
Abstract: 통신에 있어서 공통 암호키생성과 네트워크상의 암호통신 시스템 간소화를 도모하면서 여러가지 공격에 대한 안전성을 높일 수 있는 암호키 공유방법을 제공한다.  센터에서, 각 엔티티 식별자에 가중함수가 있는 푸리에(Fourier)변환 및 센터행렬을 작용시키고(수순 2-1, 2-2), 또한 상기 엔티티의 인위적 조작으로 생성한 일회성 난수데이터에 의거한 임의 변환을 실시함으로써 각 엔티티에 고유의 개인키를 생성함(수순 2-3∼5)과 동시에 상기 난수데이터 및 가중함수가 있는 푸리에 변환에 의거하여 식별자 변환 알고리즘을 생성하고(수순 2-6), 이 알고리즘 및 개인키를 엔티티에 배부한다.  각 엔티티는 통신상대측 식별자에 식별자 변환 알고리즘 및 개인키를 작용시키는 것으로 통신 상대측과의 암호통신을 위한 공통키를 생성한다.
Patent KR-20000005198-A (KR)
Title: Cellulosic bettery separators
Inventor: ASKEW GREGORY JAMES
IPC: C08J5/18
Filed: 1997-03-24
Abstract: PURPOSE: Cellulosic battery separators is provided to operationally separate the different polarity electrodes. CONSTITUTION: Cellulosic battery separators(34,35,36) include at least one films which is made from a solution of cellulose in an amine oxide solvent. Alkaline battery cells effectively use the separator including the cellulose film to operationally separate the different polarity electrodes(32,33).
Patent KR-20000010551-A (KR)
Title: Supporting method of engine and accelerator assembly and supporting structure
Inventor: NOJAWA TAKASHI
IPC: B60K17/06
Filed: 1997-04-17
Abstract: PURPOSE: The engine and a supporting structure of an assembly of an accelerator having a device for synthetically managing the vibration generated in the assembly of the engine and the accelerator is provided. CONSTITUTION: Three mounts(32,34,36) each having the spring function of the front and the rear direction of an engine, the width direction and up/down direction is arranged at the weight center of an assembly of the engine and an accelerator or at inside of a plane that passes the weight center to support the assembly to prevent the vibration occurring in the engine and the assembly of the accelerator.
Patent KR-20000016387-A (KR)
Title: Colchicine skeleton compounds, their use as medicaments and compositions containing them
Inventor: BOMBARDELLI EZIO
IPC: A61K31/535
Filed: 1997-05-21
Abstract: PURPOSE: New colchicine substitutes which can be produced by molecules by fictionalizing the C7 to ketone or fictionalizing the amino group are provide which have a marked antiblastic activity both on the normal cancer cells and on the chemoresistant phenotype. CONSTITUTION: The compound(I) relates to colchicine and thiocolchicine derivatives which can be obtained from these molecules by functionalization of the C7 to ketone or functionalization of the amino group. In formula, R is methoxy or methylthio, R1 is C1-6 straight or chained alkyl or alkenyl, cyclic or heterocyclic molecular, saturated or unsaturated mono or dicarboxyl or acyl residual group of amino acid or beta-di-glucose or 6-deoxygalactose residual group. The compounds have a marked antiblastic activity both on the normal cancer cells and on the chemoresistant phenotype. The compounds can be administered both by injection and orally. Also described is a compound(II).