baber/WOPTO huggingface dataset:
Patent TW-I393766-B (TW)
Title: S-indacene and indeno[5,6-d]-1,3-dioxole derivatives, and the use thereof as component of liquid-crystalline mixtures
Inventor: LIETZAU LARS
IPC: C09K19/32
Filed: 2006-07-19
Granted: 2013-04-21
Abstract: The invention relates 1,2,3,6,7,8-hexahydro-s-indacene derivatives and 6,7-dihydro-5H-indeno[5,6-d]-1,3-dioxole derivatives, and to the use thereof as component(s) in liquid-crystalline media. In addition, the present invention relates to liquid-crystal and electro-optical display elements which contain the liquid-crystalline media according to the invention.
Patent TW-I403845-B (TW)
Title: Resist composition for liquid immersion lithography and resist pattern forming method
Inventor: UTSUMI YOSHIYUKI
IPC: G03F7/004
Filed: 2007-05-21
Granted: 2013-08-01
Abstract: Disclosed is a resist composition for immersion exposure, comprising: a resin component (A) whose alkali solubility can be changed by the action of an acid; and an acid-generator component (B) which can generate an acid upon being exposed to light, wherein the acid-generator component (B) comprises an acid-generator (B1) having a cationic moiety represented by the general formula (b1-1). (b1-1) wherein R<SUP>42</SUP> and R<SUP>43</SUP> independently represent an alkyl group, an alkoxy group or a hydroxyl group; and n<SUP>2</SUP> and n<SUP>3</SUP> independently represent an integer ranging from 0 to 2.
Patent TW-I419898-B (TW)
Title: Sense oligonucleotide having suppressing effect on inos expression and composition comprising the same
Inventor: OKUMURA TADAYOSHI
IPC: C07H21/02
Filed: 2007-06-08
Granted: 2013-12-21
Abstract: The invention relates to sense oligonucleotide having a sequence complementary to a single-stranded RNA (antisense transcript) having a sequence complementary to mRNA of iNOS gene in order to control expression of iNOS (inducible nitric oxide synthase). The sense oligonucleotide of the present invention can control expression of iNOS and is useful for biological defense and treatment and prevention of diseases related to excessive production of NO, such as cancerogenesis, inflammatory disease, endotoxin shock by bacterial infection and the like.
Patent TW-I356577-B (TW)
Title: Apparatus for controlling an inverter
Inventor: YAMASAKI HISANORI
IPC: H02M7/5395
Filed: 2007-06-14
Granted: 2012-01-11
Abstract: To suppress an unbalance of a dwell period in a changeover of phases in which switching is dwelled in an inverter controller. A PWM operation unit 5 includes a modulation-wave generating unit 11 that generates a modulation wave as a voltage command value to an inverter main circuit 2, a carrier-wave generating unit 12 that generates a carrier wave used as a reference for a switching command, and a comparing unit 13 that compares the modulation wave generated by the modulation-wave generating unit 11 and the carrier wave generated by the carrier-wave generating unit 12. During an operation in a two-phase modulation mode in which switching of any one of three phases configuring the inverter main circuit 2 is dwelled, the PWM operation unit 5 controls the carrier-wave generating unit 12 to set a carrier wave frequency to an integral multiple of a modulation wave frequency.
Patent TW-I434831-B (TW)
Title: Carbazolyl monomers and polymers
Inventor: YE QING
IPC: C08G64/12
Filed: 2007-12-05
Granted: 2014-04-21
Abstract: The invention provides compounds of formula I wherein R is H or alkyl; R1, R2, and R4 are independently at each occurrence a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; R3 and R5 are independently at each occurrence hydrogen, a C1-C20 aliphatic radical, a C3-C20 aromatic radical, or a C3-C20 cycloaliphatic radical; and a, b and d are independently 0 or an integer ranging from 1 to 3. The invention further provides polymers derived from compounds of formula I, said polymers may be polyesters, polyethers, polycarbonates, polyestercarbonates, polyetherketones, polyethersulfones, and the like. Compounds and polymers of the invention find use in light emitting devices.
Patent TW-I404165-B (TW)
Title: Apparatus for supporting substrate and plasma etching apparatus having the same
Inventor: LEE WON HAENG
IPC: H01L21/683
Filed: 2008-04-01
Granted: 2013-08-01
Abstract: Provided are a substrate supporting apparatus and a plasma etching apparatus having the same. There is provided a substrate supporting apparatus that can separately provide powers to a central region and an edge region by disposing an electrode supporting a substrate at the central region of the substrate supporting apparatus, and disposing an electrode receiving radio frequency (RF) power at the edge region of the substrate supporting apparatus. There is provided a substrate edge etching apparatus having the substrate supporting apparatus for removing layers or particles deposited in an edge region of a semiconductor substrate and preventing damage of a center region of the semiconductor substrate during an etching process of the substrate edge.
Patent TW-I409961-B (TW)
Title: Solar cell
Inventor: SUN HAI-LIN
IPC: H01L31/042
Filed: 2008-04-11
Granted: 2013-09-21
Abstract: The present invention relates to a solar cell. The solar cell includes a back electrode, a single crystal silicon substrate and a carbon nanotube structure. The back electrode is disposed on a lower surface of the single crystal silicon substrate, and electrically connected thereto. The carbon nanotube structure is disposed on an upper surface of the single crystal silicon substrate, and electrically connected to the upper surface of the single crystal silicon substrate. The carbon nanotube structure includes a number of carbon nanotubes oriented in a certain direction.
Patent TW-I393470-B (TW)
Title: Wake-up trigger for implementation of target actions
Inventor: KRISHNASWAMY DILIP
IPC: H04M1/72451
Filed: 2008-12-31
Granted: 2013-04-11
Abstract: Aspects relate to automatic execution of a target action, which can be energy-intensive tasks, processing compute-intensive tasks, interaction with a node, or combinations thereof. A context aware trigger, power aware trigger, a randomly scheduled wakeup trigger, a deterministically scheduled wakeup trigger, and/or a predictively scheduled wakeup trigger can be utilized to determine the availability of contexts associated with the target action. Based on the availability of a context that should be available, one or more target actions are automatically executed and/or selectively suspended.
Patent TW-I525180-B (TW)
Title: Liquid-crystal medium, and electro-optical display containing same
Inventor: KLASEN-MEMMER MELANIE
IPC: C09K19/42
Filed: 2003-04-09
Granted: 2016-03-11
Abstract: Nematic liquid crystal medium (Q) comprises a dielectrically, negative, liquid crystalline component containing one or more dielectric negative compound (I), and another dielectrically negative, liquid crystalline compounds (II) and (III). Nematic liquid crystal medium (Q) comprises a dielectrically, negative, liquid crystalline component containing one or more dielectric negative compound of formula (I), and another dielectrically negative, liquid crystalline compounds of formulae (II) and (III). R 11>, R 12>1-7C-alkyl, 1-7C-alkoxy or alkoxyalkyl, 2-7C-alkenyl or alkenyloxy; ring A 11>ring A 12>2,3-difluoro-benzen-1,4-yl or benzene-1,4-yl; Z 11>, Z 12>-CH 2-CH 2-, -CH 2-CF 2-, -CF 2-CH 2-, -OCH 2-, -CH 2O- -OCF 2-, -CF 2O- or a bond; R 21>, R 22>, R 31>, R 32>1-7C-alkyl or alkoxy, or 2-7C-alkoxyalkyl, alkenyl or alkenyloxy; Z 21>, Z 22>, Z 31>, Z 32>-CH 2-CH 2-, -CH=CH-, -C?=C- or a bond; m, n : 0 or 1; and ring A 3>2-fluoro-benzen-1,4-yl, 2,3-difluoro-benzen-1,4-yl, benzene-1,4-yl, pyridin-2,5-yl or 2-fluoro-pyridine-3,6-yl. An independent claim is included for an electro optical display comprising (Q). [Image] [Image] [Image].
Patent TW-I404337-B (TW)
Title: Multi-phase interpolator
Inventor: HSIEH HONG YEAN
IPC: H03F3/45
Filed: 2009-04-08
Granted: 2013-08-01
Abstract: A multi-phase phase interpolator receives two input clocks to generate several equally spaced output clocks using several phase interpolators. A phase interpolator may include a first circuit branch and a second circuit branch with output nodes that are connected together to provide an output clock. The output clock may be generated at least based on resistor values of the phase interpolator.
Patent TW-I391440-B (TW)
Title: Resin composition for pre-coated steel sheet, preparing method of pre-coated steel sheet and steel sheet having excellent formality, heat resistance and corrosion resistance properties
Inventor: LEE JAE SOON
IPC: C08L63/00
Filed: 2009-05-15
Granted: 2013-04-01
Abstract: A resin composition for a pre-coated steel sheet having good processibility, heat resistance, and corrosion resistance, and a pre-coated steel sheet fabricated by using the resin composition are disclosed. The resin composition includes a 10 to 40 parts by weight of a hardener comprising end-capped blocked polyisocyanate and a melamine resin by 2:1 to 3:1 by parts by weight and 0.1 to 10 parts by weight of organized layered nano-clay, based on a 100 parts by weight of a base resin. The pre-coated steel sheet obtained by the method exhibits good processibility, heat resistance, and corrosion resistance.
Patent TW-I411975-B (TW)
Title: Method of predicting level of customer amount, and method of controlling temperature of aircondiction by using the same
Inventor: TSENG WEN HSIANG
IPC: G05D23/00
Filed: 2009-09-08
Granted: 2013-10-11
Abstract: A method of predicting the level of customer amount is provided. The method at least comprises the steps of: (a) a counter counting person-time within a time period; (b) a processor checking whether a referenced customer amount of the time period is stored in a database if being at the beginning of the time period; and (c) the processor estimating the level of customer amount according to the referenced customer amount of the time period if the referenced customer amount of the time period is stored in a database.
Patent TW-I351280-B (TW)
Title: Anti-hepatitis c composition, method for preparing
Inventor: LEE LAIN TZE
IPC: A61P31/14
Filed: 2009-10-28
Granted: 2011-11-01
Abstract: The invention provides an anti-hepatitis C composition including: an effective amount of limonoid compound, wherein the structure of the limonoid compound is shown as Structure (I):   
where R1 comprises H or OAc and R2 comprises H or COCH(CH 3 ) 2 ; and a pharmaceutically acceptable carrier or salt, and the anti-hepatitis C composition is used for inhibiting hepatitis C virus or treating hepatitis C. The invention also provides a method for preparing a drug for inhibiting hepatitis C viruses or treating hepatitis C.
Patent TW-I404039-B (TW)
Title: Liquid crystal display
Inventor: BAE JIN SUNG
IPC: G09G3/36
Filed: 2009-12-04
Granted: 2013-08-01
Abstract: A liquid crystal display is disclosed. The liquid crystal display includes a liquid crystal layer between an upper substrate and a lower substrate, m×n liquid crystal cells arranged in a matrix format according to a crossing structure of m/2 data lines and 2n gate lines, and thin film transistors respectively connected to the m×n liquid crystal cells; a data drive circuit supplying a data voltage to the data lines in response to a polarity control signal; a gate drive circuit sequentially supplying a gate pulse to the gate lines; and a POL logic circuit controlling the polarity control signal so that a phase of the polarity control signal varies every frame period.
Patent TW-I386213-B (TW)
Title: Compounds and methods for enhancing erythropoiesis
Inventor: WU RONG TSUN
IPC: A61P7/00
Filed: 2009-12-23
Granted: 2013-02-21
Abstract: Compounds and methods for enhancing erythropoiesis. The compound contains a chemical structure of the formula (I) indicated below, in which R is a glucosyl group. In addition to having an erythropoiesis effect, the compound of the formula (I) is effective in enhancing erythropoietin formation, and increasing kidney function and expression of hepatocyte growth factor. The method includes the step of administering an effective amount of the compound of the formula (I) to a subject in need thereof and thereby results in an enhancement of erythropoiesis.
Patent TW-I404939-B (TW)
Title: Connection unit and a test handler having the connection unit for connecting a semiconductor device to a test apparatus
Inventor: KWON SE-MIN
IPC: H01R13/629
Filed: 2010-04-09
Granted: 2013-08-11
Abstract: PURPOSE: A connecting apparatus for testing a semiconductor device and a test handler including the same are provided to rapidly and accurately connect a semiconductor device to a test device. CONSTITUTION: In a connecting apparatus for testing a semiconductor device and a test handler including the same, a tray rail(110) moves test tray with making it opposite to a test device in a test chamber. A match tray(120) moves the semiconductor to the test tray with pushing it through a plurality of pushers. A guide bar(130) is mounted in the inner wall of the test chamber around match tray and the tray rail. A guide holder(140) combines the match plate and the guide bar to guide the match plate.
Patent TW-I404014-B (TW)
Title: Display panel and driving circuit thereof
Inventor: CHANG KE CHIH
IPC: G09G3/20
Filed: 2010-05-25
Granted: 2013-08-01
Abstract: The present invention provides a driving circuit, including a plurality of gate lines, a plurality of first data lines, a plurality of second data lines, a plurality of first sub-pixels, a plurality of second sub-pixels, a plurality of third sub-pixels and a plurality of fourth sub-pixels. The first sub-pixels, the second sub-pixels, the third sub-pixels and the fourth sub-pixels are arranged in matrix. Each second sub-pixel is respectively electrically connected to each first sub-pixel, and each first sub-pixel is electrically connected to the corresponding first data line. Each fourth sub-pixel is respectively electrically connected to each third sub-pixel, and each third sub-pixel is electrically connected to the corresponding second data line.
Patent TW-I404465-B (TW)
Title: Printed wiring substrate and manufacturing method thereof
Inventor: KAWAKAMI CHIKA
IPC: H05K1/00
Filed: 2010-06-10
Granted: 2013-08-01
Abstract: <P>PROBLEM TO BE SOLVED: To provide a printed wiring board causing no difference in the thickness of an electrolytically-deposited conductive metal layer due to the line width or pitch of wiring patterns, and a method of manufacturing such a printed wiring board having wiring thickness high in uniformity.  <P>SOLUTION: This printed wiring board formed by arranging a photosensitive resin layer and selectively depositing a conductive metal layer satisfies any one of the following conditions: (1) the pitch width is ≤50 μm in all the wires, (2) the pitch width is >50 μm and ≤100 μm in all the wires or (3) wires each having a pitch width ≤50 μm, and wires each having a pitch width >50 μm and ≤100 μm are mixed in the all the wires. In the printed wiring board, when it is assumed that the width of the wire having a pitch width >50 μm and ≤100 μm, the width of a dummy wire, the distance from the adjacent wire when neglecting the dummy wire, the distance between the wire and the dummy wire adjacent thereto, and the pitch width in neglecting the dummy wire are a, a', b, b' and P, respectively, one of the following conditions: (A) a μm≥P μm×0.5, b μm≤P μm×0.5, 25 μm<a μm≤95 μm; and (B) the printed wiring board has a dummy wire, a+a' μm≥P μm×0.5, b' μm≤P μm×0.25, 5 μm≤a μm≤85 μm, 5 μm≤a' μm≤85 μm is satisfied. As a result, the wiring pattern uniform in conductive metal deposition thickness is provided even though a semi-additive method is employed.  <P>COPYRIGHT: (C)2011,JPO&INPIT
Patent TW-I378419-B (TW)
Title: Passive-matrix chiplet drivers for displays
Inventor: COK RONALD S
IPC: G09G3/14
Filed: 2010-06-21
Granted: 2012-12-01
Abstract: A passive-matrix display device having a plurality of chiplets, each chiplet associated with one or more independent column electrodes located in the display area, each chiplet electrically connected to and driving a separate subset of the independent column electrodes and electrically connected to and driving a subset of the row electrodes to cause the light-emitting material in each pixel to emit light, wherein each chiplet includes a serial luminance shift register for shifting pixel luminance values corresponding to each independent column electrode from one chiplet to another and a column driver for driving each of the independent column electrodes to which it is connected with the corresponding pixel luminance values; and wherein each chiplet further includes a row driver for driving each corresponding row electrode to which it is connected and a row control shift register for controlling the row drivers.
Patent TW-I404251-B (TW)
Title: Lithium battery and manufacturing method thereof
Inventor: Yang ru yuan
IPC: H01M4/131
Filed: 2010-08-04
Granted: 2013-08-01
Abstract: The invention provides a lithium battery and the manufacturing method thereof. The lithium battery includes a cathode, an anode, a separator, and an electrolyte. The anode includes a negative active materials attached on an anode collector. The negaitve active materials is consisted of 20 to 50 wt % of C, 5 to 20 wt % of Cu, 1 to 5 wt % of P and balanced by Sn. By using the Sn-C-Cu-P alloy as the negative active material layer, the present invention improves the capacity and cycling property of the lithium battery.
Patent GB-2480584-B (GB)
Title: Logistics panel and containers
Inventor: CROOK THOMAS JAMES
IPC: B60P3/07
Filed: 2010-02-23
Granted: 2013-11-06
Abstract: A logistics panel forms a side wall of a container (12) and has elongate metal recesses (16) formed in the surface and a logistics track (17) including a face portion (22), an elongate slot (23) in said face portion and a pair of elongate webs (24) each extending parallel to and between a respective said edge and the slot, the webs having a plurality of locating apertures, and a load carrier (18) located in said channel and extending out through the slot and having engagement pawls (26) selectively and positively locatable in said apertures.
Patent GR-14609-B (GR)
Title: Μεθοδος δια την παρασκευην καθαρων (ραφινε) σακχαροσιροπιων εξ οπορων.
Filed: 1953-05-28
Abstract: χοντες περιγράψει την φύσιν της εφευρέσεως μας και τον τρόπον με τον οποίον δύναται να εκτελεσθή καθώς και τας χρήσεις της, αι αξιώσεις μας ευρεσιτεχνίας είναι αι εξής:
Μία μέθοδος παρασκευής ραφιναρισμένου (καθαρισμένου) σακχαρούχου σιροπίου από φρούτα (οπώρας) κατά την οποίαν ο χυμός αυτών υφίσταται κατεργασίαν με άσβεστον μέχρις ότου το PH αποκτήσει τιμήν μεταξύ 9 και 10 και το αποχωρισθέν απότο ίζημα και καθορισθέν διάλυμα διέρχεται δια σειράς 4 ηθμών τοποθετημένων εις σειράς.  Ο αριθμός1 περιέχει μίαν σουλφωνομένην κατιον ανταλλακτικήν ρητίνην, ο ηθμός 2 μίαν ασθενώς βασικήν αμινο-ανιονανταλλακτικήν ρητίνης, ο ηθμός 3 μίαν ισχυρώς βασικήν αμινοανιονταλλακτικήν ρητίνην και ο ηθμός 4 μίαν κατιοανταλλακτικήν ρητίνην ανάλογου με την περιεχομένην εις τον ηθμόν 1.  Ούτω καθορισθείς αραιόςχυμός φέρεται εις ένα ΡΗ μεταξύ 6 και 7 εις τον τελευταίον ηθμόν και κατόπιν εξατμίζεται εις ένα δοχείον κενού όντως ώστε να ληφθή ένα ραφιναρισμένονσακχαρούχον σιρόπιον της επιθυμουμένης πυκνότητος.
Patent GR-15824-B (GR)
Title: Μεθοδος προς παρασκευην εντομοκτονων παραγωγων της διφαινυλουριας.
Filed: 1954-06-17
Abstract: έθοδος δια την παρασκευήν εντομοκτόνων παραγώγων της διαφαινυλουρίας, διακρινομένη εκ τούτου, ότι εν ικανόν προς αντίδρασιν παράγωγον του ανθρακικού οξέος υποβάλλομεν, κατά γνωστάς καθ' εαυτάς μεθόδους, ενδεχομένως κατά στάδια, εις αντίδρασιν μετά δύο γραμμομορίων καταλλήλως υποκατεστημένων αμινοβενζολικών ενώσεων, τα δε συνιστώντα μέρη, κατά την εργασίαν ταύτην, εκλέγομεν κατά τρόπον ώστε να παράγωνται ενώσεις του γενικού τύπου:
[*]
ένθα δηλούν
το εν Χ μίαν τριφθορομεθυλικήν ομάδα,
το άλλο Χ υδρογόνον ή αλογόνον,
το εν Υ αλογόνον, την τριφθορομεθυλικήν ομάδα, ή την νιτροομάδα,
το άλλο Υ υδρογόνον, αλογόνον ή μιαν ομάδα αλκοξύ, και 
το Ζ υδρογόνον ή αλογόνον.
Patent GR-18624-B (GR)
Title: Δικτυωτη δοκος και διαταξις δια κατασκευην ταυτης.
Inventor: GREBNER FRITZ
Filed: 1957-03-30
Abstract: ικτυωτή δοκός αποτελουμένη εξ άνω και κάτω ζωνών εχουσών την μορφήν ράβδων, αίτινες ζώναι είναι συνδεδεμέναι δια διαγωνίων εκ σύρματος συγκεκολλημένων κατά σημεία μετά των ζωνών, διακρινομένη εκ τούτου, ότι αι διαμήκεις ράβδοι αίτινες αποτελούν ταςάνω και κάτω ζώνας είναι συνδεδεμέναι δια διαγωνίωςεχουσών την μορφήν συνδετήρων ανοικτών κατά την μίαν πλευράν, προς αποτέλεσιν μιας δικτυωτής δοκού τριών διαστάσεων, ήτις εμφανίζει δύο τουλάχιστον ανθεκτικά και στατικώς καθωρισμένα επίπεδα, όλαι δεαι διαγώνιοι ως και τα ενδεχομένως προβλεπόμενα εγκάρσια σύρματα είναι στερεωμένα είτε επί της ανωτέρας πλευράς, είτε επί της κατωτέρας πλευράς των ράβδων των ζωνών.
Patent GR-19422-B (GR)
Title: Δοκος οπλισμου δια σιδηροπαγες σκυροκονιαμα, τομης σχηματος αστερος.
Inventor: BUGAN DR ING ANTON
Filed: 1958-09-12
Abstract: λατή ράβδος οπλισμού σκυροδέματος με μετρίου μεγέθους εκβαθύνσεις εις τας οποίας δύναται να εισχωρήση μόνον λεπτόν σκυρόδεμα, χαρακτηριζομένη από τηναστροειδή τουλάχιστον με εξ άκρα διατομήν της, της οποίας τέσσαρες πλευραί (b) είναι σχεδόν κάθετοιπρος τον άξονα συμμετρίας (Χ-Χ) αυτής, και όλαι αι άλλαι πλευραί (α) κεκλιμέναι από του αυτού άξονος κατά 30 μοίρες - ήτις διατομή επιτρέπει να κατασκευάζονται αι μικραί αυλακώσεις εις έλαστρα δι ' ξ_λα τα πάχη των ράβδων, τη βοηθεία ενός κοπιδίου δύο κοψεων ή δύο κοπιδίων μιάς κόψεως ή κυλίνδρου επεξεργασίας μετάλλων.
Patent GR-21541-B (GR)
Title: Μεθοδος παρασκευης συσσωματωματων επι τη βασει οξειδιου του αργιλιου και ανθρακος.
Filed: 1960-09-02
Abstract: έθοδος παρασκευής συσσωματωμάτων ή πλινθίων συγκειμένων κατ' ουσίαν εξ οξειδίου του αργιλίου και εξάνθρακος, εις την οποίαν το οξείδιον του αργιλίουκαι ο άνθραξ, υπό την μορφήν κόνεως, φέρονται ειςάμεσον επαφήν, παράγοντα ούτω εν μίγμα κατ' ουσίαν ομοιογενές, είτα εις το ρηθέν μίγμα προστίθεται εν διάλυμα καυστικού αλκάλεος, και η ούτω λαμβανομένη ζύμη (πάστα) διαμορφούται εις κόκκους και ξηραίνεται.
Patent GR-73856-B (GR)
Inventor: SARGES REINHARD
IPC: A61K31/47
Filed: 1981-02-11
Abstract: A series of amino-and alkylamino-substituted spirohydantoins and pharmaceutically acceptable salts thereof useful as inhibitors of the enzyme aldose reductase and as therapeutic agents for the treatment of chronic complications associated with diabetes are disclosed. Preferred compounds include 6-chloro-8-amino-spiro[4H-2,3-dihydro-1-benzopyran-4,4'-imidazolidine] -2',5'-dione, the 6-fluoro and 8-methylamino- analogs thereof and the corresponding dihydrobenzothiopyran analogs of these compounds. The optical isomers of these compounds having the 4S-configuration are especially preferred.
Patent GR-79679-B (GR)
Inventor: EBERLEIN WOLFGANG DR
IPC: C07D471/04
Filed: 1983-09-26
Abstract: 1. Process for preparing 5,11-dihydro-11-[(4-methyl-1-piperazinyl)acetyl]-6H- -pyrido[2,3-b][1,4]-benzodiazepin-6-one or the salts thereof with inorganic or organic acids, characterised in that 5,11-dihydro-6H-pyrido[2,3-b][1,4]benzodiazepin-6-one of formula I see diagramm : EP0104566,P8,F1  is reacted in a solvent conventionally used for lithiation reactions first with at least two equivalents of a lithium alkyl or lithium aryl at temperatures of between -60 and 0 degrees C and subsequently with a (4-methyl-1-piperazinyl)-acetate of general formula III  see diagramm : EP0104566,P8,F2  wherein R represents an alkyl group with 1 to 10 carbon atoms, a phenyl or phenylalkyl group with 1 to 3 carbon atoms in the alkyl part, and the compound thus obtained is isolated and, if desired, converted into the salts thereof with inorganic or organic acids.