baber/WOPTO huggingface dataset:
Patent KR-20010033310-A (KR)
Title: 우리딘 삼인산염의 신규한 제약학적 조성물
IPC: A61K9/08
Filed: 1998-12-23
Abstract: 사람 기도, 중간/내부 귀 또는 공동(空洞)에서 지속적 점액분비물의 섬모운동에 의한 점액제거를 촉진하기 위하여 사용하는 우리딘 5'-삼인산염(UTP)의 신규한 제약학적 조성물을 공개한다.  신규한 조성물(I)은 UTP 및 수용성 용액으로 이루어지는데,  이때, 상기 조성물의 농도는 5 내지 45mg/mL, 조절 삼투성은 250 내지 100 mOsM,  pH는 7.0 내지 7.5가 되며, 또한 살균한다.  pH-조정된 조성물은 냉동상태로, 최대 30개월 동안 저장할 수 있다.  조성물(I)은 분무 또는 액제형태로 치료요법적으로 전달할 수 있다.  신규한 조성물(II)은 수용성 용액(이의 치료요법적 농도는 주변온도에서 UTP 용해도 한계에 근접한다) 또는 현탁액(이것은 약물용해도를 초과한다)에 녹인 UTP로 이루어진다.  고농도는 극소분량(50 내지 100μL)인 UTP의 치료효과량의 전달을 가능하게 하는데, 상기 치료효과량은 계량된 복용량 흡입기와 같은 핸드-헬드 장치를 통한 투여에 적당하다.  조성물(II)은 환자에게 조제된 이후, 냉동장치없이 장기간 보관할 수 있다.
Patent KR-20010034224-A (KR)
Title: 미디어 데이터 변환을 위한 방법 및 장치
IPC: H04N21/854
Filed: 1999-01-13
Abstract: 본 발명은 데이타 통신 매체에서 전송을 위한 미디어 데이타 처리를 위한 방법 및 장치에 관한 것이다.  데이타 셋은 전송 프로토콜에 대해 미디어 데이타의 시간 관련 시퀀스를 어떻게 전송하는 지를 나타낸다.  데이터 셋은 시간 관련 미디어 데이터 시퀀스와 연관된 시간관련 데이터 시퀀스를 포함한다.  데이터 세트는 시간관련 미디어 데이터 시퀀스를 전송하기 위하여 디지털 처리 시스템에 이용될 수 있다(예를 들어, 전송 프로토콜 및 데이터 세트에 따라 생성된 패킷에 의하여).
Patent KR-20010042866-A (KR)
Title: 윈드실드 와이퍼 장치
IPC: B60S1/08
Filed: 1999-03-03
Abstract: 본 발명은 윈드실드 와이퍼 장치에 관한 것으로서, 이 장치는 제어 회로 S의 제어 신호 u M 에 따라서 적어도 하나의 와이핑 공간을 구비하고 있는 와이퍼 시스템 WA를 구동하는 전기 모터 M을 포함한다.  균일한 와이핑 프로세스를 얻기 위하여, 제어 회로 S는 바람의 세기에 따라서 제어 신호 u M 을 변환시키기 위한 제어단 SM을 갖는다.
Patent KR-20010052512-A (KR)
Title: 데이터 저장 및 처리장치와 그 제조방법
IPC: G06F1/16
Filed: 1999-06-02
Abstract: 본 발명은 기판상에 ROM 및/또는 WORM 및/또는 REWRITABLE 메모리 모듈 및/또는 처리 모듈을 포함하는 데이터 저장 및 처리 장치에 관한 것이다.  메모리 및/또는 처리 모듈은 기판의 상부에 단일 메인층 또는 다수의 메인층으로서 제공된다.  상기 장치는 장치를 동작시키기 위한 트랜지스터 및/또는 다이오드의 형태로 액티브 성분을 포함한다.  일 실시예에서 상기 장치를 동작시키기 위한 트랜지스터 및/또는 다이오드의 적어도 일부는 기판상에 또는 기판내에 제공된다.  다른 실시예에서 기판의 상부의 층들중 적어도 일부는 트랜지스터 및/또는 다이오드가 기판내에 또는 기판상에 제공될 필요가 없다 하더라도 저온 적합성 유기물질 및/또는 저온적합 처리된 무기막을 포함한다.  이러한 종류의 데이터 저장 및 처리 장치를 제조하는 방법에 있어서, 메모리 및/또는 처리 모듈은 연속 단계로 층들을 증착시킴으로써 기판상에 제공된다.  층들의 증착 및 처리는 특히 유기물질에 관하여 주어진 안정 제한을 초과하는 정적 또는 동적 온도로 이미 증착되고 처리된 하부층이 영향받는 것을 피하는 열적 조건하에서 발생한다.
Patent KR-20010071417-A (KR)
Title: 트렌치 측벽으로부터 횡방향 성장에 의한 갈륨나이트라이드 반도체층의 제조
IPC: H01L21/205
Filed: 1999-06-09
Abstract: 하부 갈륨 나이트라이드층(106)의 측벽(105)은 하부 갈륨 나이트라이드층내 트렌치 내로 횡방향으로 성장되어, 횡방향 갈륨 나이트라이드 반도체층(108a)을 형성한다. 그후 마이크로 전자 소자는 횡방향 갈륨 나이트라이드층에 형성될 수 있다. 전위 결함은 측벽으로부터 하부 갈륨 나이트라이드층내 트렌치 내로 현저히 파급되지 않아서, 횡방향 갈륨 나이트라이드 반도체층은 상대적으로 결함이 없다. 더욱이, 횡방향 갈륨 나이트라이드층의 성장 동안, 하부 갈륨 나이트라이드층의 부분적 마스킹 공정없이, 측벽 성장을 수행할 수 있다. 횡방향 갈륨 나이트라이드 반도체층의 결함 밀도가 횡방향 갈륨 나이트라이드층으로부터 제 2 갈륨 나이트라이드 반도체층의 성장에 의하여 더 감소되어질 수 있다.
Patent KR-20010071551-A (KR)
Title: 합성수지제 튜브용기
IPC: B65D35/44
Filed: 2000-05-31
Abstract: 본 발명은, 합성수지제의 튜브용기를 몸통부의 상단에서 개구부까지의 길이를 짧게 하여 튜브용기의 내용물을 남김없이 전부 사용할 수 있도록 한 것이다. 튜브본체(1)의 탄성 압착 가능한 몸통부(3)에서 대구경의 구경부(4)를 세움과 동시에 상기 구경부의 위 가장자리에 상기 구경부의 상단면 개폐용의 입구(6)가 달린 꼭지면(5)의 주연부를 직접 및 간접적으로 상기 구경부의 위 가장자리에서 분리되지 않도록 연결하여 상기 구경부(4)에 대해서 회동 가능하게 마련된 뚜껑(9)의 뒷면에서 수직으로 내린 마개(11)로 상기 주출공(6)을 폐쇄함과 동시에, 상기 꼭지면(5)의 주연부 내측에 제 1 파단선(12)을 마련하고 상기 제 1 파단선 내측의 꼭지면 부분에 상기 파단선을 뜯어내는 따개(13)를 마련하고 있다.
Patent KR-20010035171-A (KR)
Title: System and method for integrated managing of application services and network storage services via a network
Inventor: JEONG CHANG WOOK
IPC: G06F17/00
Filed: 2001-01-10
Abstract: PURPOSE: An application service and remote storage service integration method and system is provided to integrate the application service with the remote storage service so that it efficiently connects the user with the application service providers and the remote storage service providers. CONSTITUTION: The method comprises steps of a user accessing a service site over the network(S100), the user determining if the user selects directly a wanted application(S101), the user performing an application task in the case that the user selects an application in the step S101(S102), the user determining if the user searches for an application(S103), the user searching for an application and checking if a wanted application exists(S104,S105), the user performing an application task in the case that the user selects an application in the step S105(S106), the user selecting a specific file in the case the user does not want a direct selection or a search of an application(S107), the user ordering an instruction of opening the file(S108), the user checking if a format of the selected file is connected to a specific application in advance(S109), the user receiving a connectable application list and selecting an application(S110, S111).
Patent KR-20020063991-A (KR)
Title: Grape juice having an enriched antioxidative compounds
Inventor: KWON GI SEOK
IPC: A23L2/02
Filed: 2001-01-31
Abstract: PURPOSE: Provided is a method for manufacturing grape beverage, such as juice, wine and the like, having enriched antioxidative compounds to increase antioxidation effect, thereby providing health beverage with improved functionality. CONSTITUTION: The grape beverage is characteristically manufactured by the steps of: pressing and filtering grapes to obtain a grape juice; individually extracting filtered dregs or grape seed powders at 80 deg for 30 minutes with 70% ethanol, 50% ethanol, and 30% ethanol sequentially; filtering the extracts then concentrating them under reduced pressure; and adding the concentrated extracts to the grape juice. Therefore, the grape juice contains enriched antioxidative compound.
Patent KR-20020065951-A (KR)
Title: Saving E-cormmerce Type used by Online Community
Inventor: YOO JAI HO
Filed: 2001-02-08
Abstract: PURPOSE: An accumulation type electronic commerce method is provided to enable a user, subscribing for an internet shopping community, to pay money by a periodical installment for accumulating money to pay for a commodity or a service so that it can share various information among community members while accumulating money. CONSTITUTION: The method comprises steps of a user subscribing for an internet shopping community and making a purchase contract with the community(302), the community offering a virtual account to the user, the user paying money by a periodical installment for accumulating purchase money(301), the user being allowed to make a real time inquiry to the money accumulation state, the community operating a virtual account management system, the community requesting a bank to set a virtual account for the community(12-1), the community receiving real time deposit transaction data from the bank via an internet banking system and automatically reprocessing the data for managing the accumulation state(13-1), in a case of a contract cancellation, the community requesting the bank to return the accumulated money to the user(203).
Patent KR-20020042390-A (KR)
Title: Goods Advertisement Service System & Method Using Modificated Advertisement
Inventor: YOON SEUNG HYUN
Filed: 2001-02-28
Abstract: PURPOSE: A system and a method for a product advertisement service using a modified advertisement are provided to offer the modified advertisement different from the advertisement through the mass-media such as a TV, a newspaper and a magazine to a user and to maximize the advertisement effect by making the user answer to a problem corresponding to the advertisement. CONSTITUTION: The product advertisement service method comprises steps of receiving the advertisement request signal from the user(210), transferring one of the real or modified advertisement to the user on the basis of the advertisement request signal(215¯230), extracting the comparison problem based on one of the previously stored real or modified advertisement and transferring the problem to the user(235), receiving the answer information of the comparison problem from the user(240) and providing the compensation to the user on the basis of the answer information(245).
Patent KR-20020071647-A (KR)
Title: A Toy
Inventor: KANEKO NOBUSATO
IPC: G09F19/00
Filed: 2001-03-07
Abstract: PURPOSE: A toy is provided to allow a user to effectively use it as a cheering article by freely changing a shape of the toy and generating a certain sound from the toy. CONSTITUTION: The toy(1) is comprised of a body(3) containing a receiving space(3a); an expandable or contractible member(5) received in the receiving space of the body so as to be freely expelled from the receiving space; and a first hitting device(19) for generating a hitting sound by being in contact with the body closely when a user shakes the body in order to project and expand the expandable or contractible member.
Patent KR-20010044674-A (KR)
Inventor: LEE JONG SEOK
IPC: H04M1/57
Filed: 2001-03-15
Abstract: PURPOSE: A voice recognizing/synthesizing telephone set using a call origination number and a method thereof are provided to reduce the inconvenience in identifying which is the caller before answering and selectively connect a telephone through a voice instruction by checking the phone number of the caller before answering and providing various forms of function by using a voice recognizing/synthesizing technique. CONSTITUTION: An extracting unit extracts a call origination number by detecting a tone signal transmitted through a telephone line to a called party(S110). A controller searches a phone book to check whether the detected call origination number is previously registered phone number(S120). The information related to extracted call origination number is stored in a call information storing unit(S125). If the call origination number has been previously registered, the call information storing unit generates a voice synthesizing sentence by using the name of the caller(S130). When the voice synthesizing sentence is constructed, the information is transmitted to a voice synthesizer and synthesized to a voice(S140).
Patent KR-20020075041-A (KR)
Title: Folding arm rest for vehicles
Inventor: KIM SANG HO
IPC: B60N2/75
Filed: 2001-03-23
Abstract: PURPOSE: A folding armrest of a vehicle is provided to prevent overturning of the folding armrest at a collision by adding a lock unit, and to improve convenience of use by modifying the structure of the folding armrest. CONSTITUTION: A folding armrest for a vehicle is composed of a fixing part(100) assembling with the side of a seat back(600), and having a fixing groove and a guide hole; a lock(200) inserted to the fixing groove with a lock pin; a rotating part(300) having a stop protrusion, a lock guide end turning the lock unidirectionally, and an elastic fixing link; a lock control part(400) having an elastic fixing hole, a lock cam, a lock guide hole, and a lock handle; and an elastic body(500) assembled with the elastic fixing link and the elastic fixing hole. Convenience is improved with containing the cup in a cup holder(710) of the armrest, and safety is improved with preventing overturning of the folding armrest at a collision.
Patent KR-20020075145-A (KR)
Inventor: CHOI YEON JIN
IPC: C12N15/56
Filed: 2001-03-23
Abstract: PURPOSE: Provided is the nucleotide sequence of a novel endochitinase gene derived from a Serratia liquefaciens GM1403 strain. Also, provided is the amino acid sequence translated therefrom. The novel endochitinase is used for the manufacture of chitin oligosaccharide. CONSTITUTION: The novel endochitinase gene is isolated from a Serratia liquefaciens GM1403 strain by genetic recombination. its nucleotide sequence and amino acid sequence are represented by SEQ ID:1 and SEQ ID NO:2. An endochitinase is manufactured by culturing a transformant transformed with an expression vector including the endochitinase gene.
Patent KR-20020078014-A (KR)
Inventor: PARK BYEONG JU
IPC: F16D65/09
Filed: 2001-04-04
Abstract: PURPOSE: A drum brake is provided to prevent loss of an opening member by fixing an opening lid in a back plate with a fixing unit, and to improve convenience by opening and closing a check hole automatically with elastic force. CONSTITUTION: A drum brake is composed of a back plate(20) combined with a vehicle body; a drum rotating with a wheel; a brake shoe(30) formed in the back plate with a lining for braking by friction with the inside of the drum; a check hole(100) checking wear of the brake shoe lining; and an opening member opening and closing the check hole. The opening member has a fixing part(111) installed in the back plate, a lid part(112) closing the check hole, and an elastic part(113) connecting the fixing part and the lid part and supporting the lid part. The loss of the opening member is prevented with fastening the lid part in the back plate, and the check hole is opened and closed automatically with the elastic part.
Patent KR-20020078205-A (KR)
Title: A covered electrode for Ni alloy having high Cr content
Inventor: HA HO JUN
IPC: B23K35/22
Filed: 2001-04-06
Abstract: PURPOSE: A covered arc electrode for Ni alloy having high Cr content is provided which secures mechanical properties such as crack resistance and high temperature tensile strength of the high Cr content Ni alloy, does not generates welding defects, and obtains a welding metal having superior weldability at both DC and AC. CONSTITUTION: The covered arc electrode for Ni alloy having high Cr content is characterized in that a covering comprising 12 to 23 wt.% of one or two metal carbonates for the total weight of the covering, 5 to 18 wt.% of one or two metal fluorides, 20 to 32 wt.% of TiO2 and ZrO2, 2 to 5 wt.% of deoxidizer, 35 to 42 wt.% of alloying agent, 3 to 7 wt.% of slag producing agent and 2 to 4 wt.% of binder is covered on a core wire of alloy comprising 0.05 wt.% or less of C, 0.50 wt.% or less of Si, 2.5 to 3.5 wt.% of Mn, 0.03 wt.% or less of P, 0.015 wt.% or less of S, 3.0 wt.% or less of F, 0.50 wt.% or less of Cu, 0.75 wt.% or less of Ti, 18 to 22 wt.% of Cr, 2.0 to 3.0 wt.% of Nb, 0.12 wt.% or less of Co, inevitable trace elements of O and N, and a balance of Ni.
Patent KR-20020078352-A (KR)
Title: Liquid crystal display device
Inventor: HA U SEOK
IPC: G02F1/1333
Filed: 2001-04-09
Abstract: PURPOSE: A liquid crystal display is provided to efficiently block off harmful electromagnetic wave, thereby preventing erroneous operation of neighbor equipment. CONSTITUTION: A liquid crystal display includes a mold frame for receiving a back light; a liquid crystal display panel installed on the back light for displaying information; a printed circuit board electrically connected with one end of the liquid crystal display panel by a printed circuit and bent toward the rear surface of the mold frame; a chassis joined with the mold frame to cover the predetermined part of the edge of the liquid crystal display panel and the side of the mold frame; a multi-function board(60) formed in a plate shape, having one side stick to the printed circuit for protecting the printed circuit board, having the other side including a conductive line pattern(65) patterned in a predetermined shape to block off harmful electromagnetic wave.
Patent KR-20010098716-A (KR)
Inventor: KIM JAE CHAN
IPC: A61K35/48
Filed: 2001-04-18
Abstract: 본 발명은 안구표면질환 치료용 양막 추출물 및 이의 제조방법, 그리고 이러한 양막 추출물을 이용한 점안겔제, 점안액제 또는 점안 연고제에 관한 것이다.
Patent KR-20020082237-A (KR)
Title: Method and apparatus for collecting traffic information by using light source and photodetector mounted on probe car
Inventor: LEE HEUNG SOO
IPC: G08G1/09
Filed: 2001-04-19
Abstract: PURPOSE: An apparatus and a method for collecting traffic information using a light emitting part and a photo detector installed in a probe car are provided, which can collect traffic information of not only an adjacent lane of the probe car but also other transverse lane vehicles by the light emitting part and the photo detector. CONSTITUTION: The apparatus includes a light emitting part(310), a photo detector part(320), a clock generation part(330), a counter(340), a wheel pulse generation part(350), a signal processing part(360), a memory part(370) and a transmitter part(380). The light emitting part comprises two parts(EM-A,EM-B) and generates a beam through a lens. The photo detector part receives a light signal reflected from a vehicle passing transversely. The clock generation part generates a clock signal(CLK) and the counter counts the clock signal inputted from the clock generation part. The wheel pulse generation part generates a pulse signal of a constant number whenever a wheel of the probe car is rotated. The signal processing part receives the clock signal and the wheel pulse signal and calculates a relative speed of the vehicle using a distance(D) between light emitting parts.
Patent KR-20020083676-A (KR)
Title: Manufacturing method for perfluoro phosphoric ester
Inventor: LEE CHOUL HO
IPC: C07F9/40
Filed: 2001-04-28
Abstract: PURPOSE: A method for producing fluorine-containing water-dispersable phosphate ester is provided, thereby simply and cheaply producing the fluorine-containing water-dispersable phosphate ester which has improved properties when used as a coating agent or an additive. CONSTITUTION: The method for producing fluorine-containing water-dispersable phosphate ester comprises the steps of: adding trichloro anhydrous phosphate into a mixed solution of perfluoroalkyl alcohol and small amount of water to produce perfluoroalkyl phosphate ester intermediate; adding excess water into the perfluoroalkyl phosphate ester intermediate and adding ethanol amine into the mixture to produce fluorine-containing water-dispersable phosphate ester represented by formula(2):XCnF2nYOH, in which Y is -SO2NR3 (CH2)m or -(CH2)m; R3 is C1-C3 alkyl; m is an integer of 1 to 6; X is hydrogen, fluorine or chlorine; and n is an integer of 3 to 21.
Patent KR-20010069814-A (KR)
Title: crush method of storage heat medium and Latent heat storage system by clathrate
Inventor: CHUNG JAE MIN
IPC: F28D20/00
Filed: 2001-05-12
Abstract: PURPOSE: A thermal storage system using clathrate compound and method for crushing thermal storage medium is provided to achieve a uniform cooling capacity by reducing the size of crystal of clathrate compound and preventing crystal from clustering during radiation. CONSTITUTION: A thermal storage system comprises a closed container(10) for storage of thermal storage medium; a crushing line(20) having an air compressor(21) for compression of air, vapor and thermal storage medium in the upper space of the closed container, a compression tank(22) for storage of the compressed fluid, and a crushing nozzle(23) for spraying the air fed from the compression tank; a medium circulation line(30) having a slurry pump(33) for conveying the medium contained in the closed container, and a first heat exchanger(34) for heat exchange of the medium conveyed by the slurry pump; a combination cooler and thermal storage line(60) having a water pump(61) and an evaporator(51) arranged in front and rear of the first heat exchanger, and three-way valves(62,63) arranged in front and rear of the water pump so as to allow the thermal storage medium to circulate without passing through the cooling load or the first heat exchanger during thermal storage; and a refrigeration cycle(50) having a refrigerant compressor(52) for compression of refrigerant gas, a condenser(53) for condensing the high pressure refrigerant gas fed from the refrigerant compressor, and a first evaporator(51) for heat exchange of the refrigerant and the water of the combination cooler and thermal storage line.
Patent KR-20020088676-A (KR)
Inventor: AHN YEONG MAN
IPC: G11B7/131
Filed: 2001-05-19
Abstract: PURPOSE: A method and an apparatus for reproducing an optical disk are provided to detect reproducing signals of good quality when an optical disk having tracks changing the width is being reproduced. CONSTITUTION: An apparatus for reproducing an optical disk includes an optical classifying and detecting unit(10) detecting an optical beam(LB) reflected from an optical disk by classifying the optical beam by a center optical region(L1) and outer optical regions(L2,L3) in the direction opposite to the radial direction of the optical disk, thereby outputting a first detecting signal(s1) in regard to the center optical region and second detecting signals(s2,s3) in regard to at least one outer optical region; a signal processing part(20) adjusting the size of the first and/or the second detecting signal, detecting reproducing signals by differentiating the adjusted first and second detecting signals.
Patent KR-20020090376-A (KR)
Title: Seat to establish massage-device for getting over sleepy spell of automobile
Inventor: HWANG HO SEON
IPC: B60N2/90
Filed: 2001-05-23
Abstract: PURPOSE: A drowsiness-preventing massage seat is provided to make a driver safely drive by making an automatic kneader automatically operate when a driver falls into a doze. CONSTITUTION: A drowsiness-preventing massage seat comprises an operation switch(10) of a push-off type positioned at the thumb position of a wheel, a five stage-interlocking switch(20) of receiving electric signals from the operation switch, with interlocked with a five stage gear and operated, an automatic kneader(30) operated by the on-signal of the five stage interlocking switch, and a power supply means(40) for supplying power to the automatic kneader. Therefore, drowsiness of a driver is prevented and convenience in driving is facilitated.
Patent KR-20010070653-A (KR)
Title: Molded earphone and method for manufaturing the earphone
Inventor: SUNG BYEOANG HA
IPC: H04R1/10
Filed: 2001-05-29
Abstract: PURPOSE: A molded earphone and method of molding an earphone are provided to reduce the pain and fatigue on an ear of user and sanify the earphone in spite of putting on during long time. CONSTITUTION: A molding housing(110) is manufactured by a molding process in corresponding to a specific object shape such as an ear. A speaker(140) is installed into an inner space of the molding housing(110). A connection terminal(145) is also installed in a side of speaker(140). A housing cover(150) covers an opening of the molding housing(110). A connection cord(160) is linked to the connection terminal(145) through a hall formed in the housing cover(150) to connect the earphone with an external side. The molding housing(110) is an ultraviolet material and the housing cover(150) includes a displaying section to display characters or digits.
Patent KR-20020002249-A (KR)
Inventor: BROCCO MAURICETTE
IPC: C07D295/12
Filed: 2001-06-27
Abstract: PURPOSE: Provided are a novel diphenylurea compound, its use as a mixed alpha2/5-HT2c ligand, and medicinal products containing the same which are useful as a dual alpha2/5-HT2c antagonist receptor. CONSTITUTION: The diphenylurea compound is represented by the formula(I), wherein: R1, R2, R3 and R4 independently represent hydrogen, halogen, or alkyl, alkoxy, hydroxy, cyano, optionally substituted amino, nitro, carboxy, alkoxycarbonyl, optionally substituted aminocarbonyl or carbamoyl; L1 and L2 each represents hydrogen or together form -CH2-CH2-; X1, attached at the 2 or 3 position of the aromatic ring, represents a bond, and in that case X2 represents hydrogen, halogen, or alkyl, alkoxy, hydroxy, nitro, cyano or optionally substituted amino; or X1 and X2, together with two adjacent carbon to which they are bonded in the 2, 3 or 4 position of the aromatic ring, form a (C4-C7)cycloalkyl group, wherein one or two -CH2- of the cycloalkyl ring are optionally replaced by oxygen or NH; X3 represents hydrogen, halogen, or alkyl, alkoxy, hydroxy, nitro, cyano or optionally substituted amino; G represents a group selected from G1, 2, 3, 4 as described in the description, wherein the broken lines indicate the optional presence of a double bond; Alk represents linear or branched (C1-C6)alkylene; n is 0 or 1, T3 represents alkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl or optionally substituted heteroarylalkyl; T4 represents alkyl, optionally substituted aryl, optionally substituted arylalkyl, optionally substituted heteroaryl or optionally substituted heteroarylalkyl.