baber/WOPTO huggingface dataset:
Patent DE-19903870-A1 (DE)
Title: New 3,3,5,5-tetraalkyl-2-oxo-1,4-piperazine derivatives, used as light, heat and oxygen stabilizers e.g. in photographic and reprographic materials and in paper
Inventor: LAZZARI DARIO
IPC: C07D241/06
Filed: 1999-02-01
Abstract: 3,3,5,5-Tetraalkyl-2-oxo-1,4-piperazine derivatives of formula (I) are new compounds. 3,3,5,5-Tetraalkyl-2-oxo-1,4-piperazine derivatives of formula (I) are new. p = 0 or 1; q, r = 1-6; s = 1-8; X = -O- or, when p = 1, -N(R10)-; Rw, Rx, Ry, Rz = 1-18C alkyl, 5-12C cycloalkyl or 1-5C hydroxyalkyl; R1 = H, 1-18C alkyl, oxyl, OH, CH2CN, 1-18C alkoxy, 5-12C cycloalkoxy, 3-8C alkenyl, 3-8C alkynyl, 7-12C phenylalkyl, 7-15C phenylalkyl (substituted on the phenyl ring by 1, 2 or 3 1-4C alkyl or alkoxy radicals), 7-15C phenylalkoxy (optionally substituted on the phenyl ring by 1, 2 or 3 1-4C alkyl or alkoxy radicals), 1-8C alkanoyl, 3-5C alkenoyl, 1-18C alkanoyloxy, glycidyl or -CH2CH(OH)-G; G = H, methyl or phenyl; R2, R6 = H, 1-8C alkyl, 5-12C cycloalkyl or 1-4C hydroxyalkyl; and R3, R4, R5, R7, R8, R9 = H, 1-8C alkyl or 5-12C cycloalkyl. The group W is specifically defined for each of the 8 values of s and is e.g. alkyl, cycloalkyl, alkenyl, acyl or triazinyl (all optionally substituted). Independent claims are also included for: (A)     A polymer containing tetramethylpiperazinone side chains and comprising 1-100 mol% of recurring units of formula (L) and 0-99 mol% of recurring units of formula (LI). TMPZ = a tetramethylpiperazinone side chain of formula (LII) or (LIII). R1 = H, 1-4C alkyl, 3-12C alkoxy, cyclohexyloxy or acetyl; R2, R3, R4, R5 = H or methyl; W = 1-18C alkyl, cyclohexyl or -CO-R11; R11 = 1-17C alkyl, cyclohexyl or phenyl; q = 1-6; and A1 = O or a bond. When A1 = O: A2 = methyl; R26, R27 = H; and R28 = 1-18C alkyl, 1-18C alkoxy, 1-12C alkoxymethyl, 5-9C cycloalkyl, cyclohexyloxy, phenyl, 7-9C phenylalkyl or H. When A1 = a bond: A2 = CO R26, R27 = H or methyl; R28 = COOH, CONH2 or COOR29; and R29 = 1-12C alkyl or 1-8C hydroxyalkyl. (B)     Polymers comprising recurring units of formula (LIV). R2, R3, R4, R5 = H or methyl; G = H, methyl or phenyl; q = 1-6; and A3 = a bond, 1-12C alkylene, 2-12C alkylene interrupted by O, S or NR10, cyclohexylene or phenylene. (C) A composition comprising: (i) an organic material sensitive to damage by light, oxygen and/or heat; and (ii) a stabilizer of formula (I). (D)     The new precursors: (1) 1-(2-hydroxyethyl)-3,3,5,5-tetramethyl-piperazin-2-one (2) 1-(2-hydroxyethyl)-3,3,4,5,5-pentamethyl-piperazin-2-one (3) 1-(2-hydroxypropyl)-3,3,5,5-tetramethyl-piperazin-2-one (4) 1-(2-hydroxypropyl)-3,3,4,5,5-pentamethyl-piperazin-2-one (E)      A process for modifying an organic polymer containing functional groups suitable for reacting with a hydroxy or epoxy group or an ethylenic double bond, comprising reacting the polymer with either: (a) (I) containing a hydroxy, epoxy or carboxy group or an ethylenic double bond; or (b) one of the new precursors.
Patent DE-19904524-A1 (DE)
Title: Batteriezellenmanschette zur Anwendung in Weltraumflugkörpern
Inventor: HALL JOHN C
IPC: B64G1/42
Filed: 1999-02-04
Abstract: Ein Batteriezellenmanschettenaufbau (22) enthält eine kontinuierliche, thermische Manschette (30), die sich zwischen nahen und fernen Enden (34, 36) erstreckt und eine Längsachse mit mehreren, sich in etwa einer Richtung längs erstreckenden, länglichen Wärmeleitfasern (38) aufweist, die in einem Grundmaterial eingebettet sind, wobei die thermische Manschette (30) an der äußeren Umfangsoberfläche (42) einer Batteriezelle (23) anliegt, und ein Grundbauteil (48) mit einem Flansch (50) zur Aufnahme des fernen Endes (36) der thermischen Manschette (30), wobei das ferne Ende (36) Kontakt zum Flansch (50) hat, wodurch der Flansch (50) als Wärmeableitung wirkt, die der thermischen Manschette (30) durch Leitung zwischen den Wärmeleitfasern (38) und dem Flansch (50) Wärme entzieht.
Patent DE-19905373-A1 (DE)
Title: Friction clutch, especially with an externally produced pressing force, has a pressing lever plate with a thinned region between its mounting and a pressing lever
Inventor: RUDOLF THOMAS
IPC: F16D13/58
Filed: 1999-02-10
Abstract: A friction clutch comprises a pressing lever arrangement (30) with a thinned region (40) between its mounting (32) and a pressing lever (38). A friction clutch comprises primary and secondary sides (12, 14; 24) with entrained friction faces (18, 22), a pressure plate (20) rotating with the primary side (12, 14) and a pressing lever arrangement (30) fitted on and rotating with the primary side, the pressing lever arrangement (30) having a pivoted pressing lever (38) with a first region (42), for acting on the pressure plate (20), and a second lever region (46). A pressing force generating arrangement can act on the pressing lever (38) to produce counter friction application of the friction faces (18, 20) acting on the pressure plate (20). The novelty is that the pressing lever arrangement (30) has a reduced thickness region (40) between a region (32), mounted on the primary side (12, 14), and the pressing lever (38). An Independent claim is also included for a pressing lever arrangement for the above friction clutch.
Patent DE-19906151-A1 (DE)
Inventor: BETTMER JOERG
IPC: G01N33/18
Filed: 1999-02-10
Abstract: The invention relates to a method and to a device for determining the TOC content of aqueous samples. According to the inventive method, inorganic carbon compounds in the samples are removed by acidification and the organic compounds are irradiated with UV light and oxidized to carbon dioxide. The carbon dioxide containing sample is run through a electrodialysis unit in which HCO3<-> ions and H<+> ions are produced which pass through corresponding exchanger membranes and enter a pure-water-rinsed measuring chamber. The conductivity of the pure water before entering the measuring chamber and after leaving the measuring chamber is measured and the TOC content is determined on the basis of the respective conductivity values.
Patent DE-19907031-A1 (DE)
Title: Light unit has at least one connecting surface, e.g. for wall mounting, on either side of central connecting surface at angle of 30 or 45 degrees to central surface on rear of housing
Inventor: JAROSCHEK BRUNO
IPC: F21Y113/00
Filed: 1999-02-19
Abstract: The light unit consists of a housing (1) with connecting surfaces (5-7) on its rear wall foe attachment, e.g. to a wall, a light source in the housing and an at least partly transparent cover for the front of the housing. The connecting surfaces are elongated-rectangular and flat and extend at a constant distance apart and at an angle to each other, whereby there is at least one connecting surface (6,7) on either side of a central connecting surface (5) at an angle of 30 or 45 degrees to the central connecting surface.
Patent DE-19908987-A1 (DE)
Title: Water-free printing ink for ink-jet printing, especially on polyester or other textiles, contains a dispersion dye dissolved in N-methyl-pyrrolidone
IPC: C09D11/36
Filed: 1999-03-02
Abstract: Water-free printing ink containing a dispersion dye dissolved in N-methyl-pyrrolidone (NMP).  An Independent claim is also included for a process for the production of this ink by dissolving the dye in NMP in the concentration required and optionally adding auxiliary substances etc.
Patent DE-19910028-A1 (DE)
Title: Automatic finishing machine has one or more work modules connecting onto base unit in defined position through automatic quick-fit coupling so that supply connection is produced and disconnected as work module is connected and removed
Inventor: HAMMERMEISTER NORBERT
IPC: B23P21/00
Filed: 1999-03-08
Abstract: At least one of the work modules (4) is connected to the base unit (6) held in position by a tension device (46). The supply connection between the base unit and this work module is formed as a supply connecting mechanism with at least one quick-fit coupling so that when this work module is connected and released the supply connection between the base unit and work module is also automatically produced and disconnected. The work module is designed to be movable.  The tension device and supply connecting mechanism can be provided as a central docking mechanism.
Patent DE-19910433-A1 (DE)
Inventor: HAMM KLAUS
IPC: H01M50/553
Filed: 1999-03-10
Abstract: The invention relates to a method for producing a battery (10) containing electrochemical cells. The inventive method is characterized in that an electrically non-conductive track (30) or a comparable coating is applied to the respective free edge area (26) of both housing parts (12.1, 12.2), between which the anode blades and cathode blades (18) are led out of the battery housing (12), in such a way that said track (30) is provided at least in the areas of the blades (18) and such that the track projects over the free edge (20) of the housing part (12.1, 12.2), to which the track is fixed, and/or wraps around this free edge.
Patent DE-19910658-A1 (DE)
Title: Balcony with attachment for building
Inventor: NICOLAI KARL-FRIEDRICH
IPC: E04B1/00
Filed: 1999-03-10
Abstract: A bush (16) is put in a hole of appropriate diameter which is drilled in a facade at least once for each balcony to be supported on a building. A connecting piece (10) with two plates (12, 14) is inserted at least partially in the bush and one of the plates (14) is screwed on to a threaded spindle (18) fixed in the brickwork. A bolt (26) is attached to the other plate (12) for bolting the balcony to. A radial clearance remains between the outside diameter of the connecting piece and the inside diameter of the bush. Preferably the connecting piece is in the form of an elongated cylinder with threaded plates on its ends.
Patent DE-19914304-A1 (DE)
Inventor: BERNETH HORST
IPC: G06F3/042
Filed: 1999-03-29
Abstract: The invention relates to a flat electrochromic contrast system (36) which is either arranged as a discrete unit in front of the screen (3) or by means of a shared plate is joined to the outer surface of said screen. The electrochromic contrast system is filled with an electrochromic medium, which is a liquid, a gel or a polymer. The invention also relates to an electrochromic flat contrast system presenting an integrated touch screen (311) whose surface area is larger than that of the screen. On at least one face end of the outer plate (cover plate 31) of the electrochromic flat contrast system a radiation source (313) is arranged whose light penetrates the cover plate and illuminates same. On the inner plate (support plate 32) a photoreceptor (37) is positioned in the area which projects beyond the screen surface. The invention also relates to electrochromic side-chain oligomers or polymers which can be used as electrochromic media.
Patent DE-19915589-A1 (DE)
Title: Construction element with natural stone surface, having hardened imitation natural stone layer on carrying block and at least one recess to grip imitation natural stone layer
Inventor: ASMAR ELIAS N
IPC: E04C2/26
Filed: 1999-04-07
Abstract: The construction element is produced by placing imitation natural stone mass (3) in a mold (4) open at the top which produces a structures surface on it. The carrier block (1) is placed on top of it. The carrier block has at least one recess (2) in the side to which the imitation natural stone is to be added, so that the mass enters the groove and the surfacing layer is bonded to the carrier block.
Patent DE-19916530-A1 (DE)
Title: Einrichtung zur Versorgung einer Brennkraftmaschine eines Kraftfahrzeuges mit Kraftstoff
Inventor: DISTELHOFF MARKUS
IPC: F02M37/00
Filed: 1999-04-13
Abstract: Eine Einrichtung zur Versorgung einer Brennkraftmaschine (1) eines Kraftfahrzeuges mit Kraftstoff hat eine in einen Kraftstoffbehälter (2) geführte Rücklaufleitung (4) mit einer Wandung aus einem Material mit einer hohen Wärmeleitfähigkeit. Die Rücklaufleitung (4) ist innerhalb eines Lüftungskanals (5) angeordnet. Durch den Lüftungskanal (5) wird die Rücklaufleitung (4) kühlende Luft gefördert. Hierdurch läßt sich die Maximaltemperatur des Kraftstoffs im Kraftstoffbehälter (2) einfach begrenzen.
Patent DE-19921310-A1 (DE)
Title: Electrical device, especially electric drive for motor vehicle, has thermally conducting central cooling channel extending in longitudinal direction of cable and carrying cooling medium
Inventor: WONN MARCUS
IPC: B60R16/02
Filed: 1999-05-07
Abstract: The device has a cable (1) containing several wires (4) and a cable casing (5) with a central cooling channel (2) extending in the longitudinal direction of the cable and carrying a cooling medium. The cooling channel is formed by a tube or hose (3) of thermally conducting material.
Patent DE-19923988-A1 (DE)
Title: Tap which turns off automatically for use in public washrooms and for showers in public swimming baths comprises handle which operates valve to provide flow of water and automatic closing device fitted inside handle to turn water off
Inventor: GATTER RAIMOND
IPC: F16K31/60
Filed: 1999-05-26
Abstract: The tap which turns off automatically comprises a handle (12) which operates a valve to provide a flow of water. An automatic closing device (16) is fitted inside the handle to turn the water off after a fixed period of time.
Patent DE-19924761-A1 (DE)
Title: Roof batten iron for releasing battens fixed on rafters
Inventor: GRUENEWAELDER DIETER
IPC: E04D15/00
Filed: 1999-05-30
Abstract: The iron has a rolling yoke (18) attached to a lever arm (11) opposite the two lever points (16) which are fixed laterally off-set on the lever arm at a slight acute angle (a) inclined down to the normal. The yoke lies centrally between the lever points which are fixed at the outer ends of a cross bar (14). The distance between the lever points can be adjusted.
Patent DE-19925083-A1 (DE)
Inventor: MUELLER GERALD
IPC: F16J15/32
Filed: 1999-06-01
Abstract: The piston has a supporting body (2) whose radially outer part has an annular guide part (8) defining a guide surface (12). A separate sealing body is molded onto the support body and has two sealing sections (15) positioned axially on both sides of the guide part and joined by several connecting arms (26) belonging to the sealing body and spaced peripherally apart. The connecting arms extend into holder-ducts (25) axially penetrating the guide part.
Patent DE-19925672-A1 (DE)
Title: Sparking plug for an internal combustion engine, and method for its manufacture
Inventor: HANASHI KEN
IPC: H01T13/39
Filed: 1999-06-04
Abstract: The sparking plug incorporating middle and mass electrodes (3,4) with leading ends (3a,4b) are provided with inserts (51,52) of noble metal sunk partially into and fixed to the respective leading ends in such a way that an insert surface directly facing the electrode gap (6) is a spark discharge surface. Fixing of the inserts involves production of a molten region of the electrode and insert materials in such way that this region does not extend as far as the insert spark discharge surface. The claimed method includes positioning of an insert (52) to the leading end (4b) and application of a laser beam to produce a joint.
Patent DE-19926505-A1 (DE)
Title: Circuit used for sensor used to measure nitrogen oxides from internal combustion engine exhaust gas comprises differential part and adjusting part
Inventor: WALDE TIM
IPC: G01N27/419
Filed: 1999-06-10
Abstract: A differential part (C1) determines a regulating deviation (IP1D) between the actual value of the second pump stream (IP1) in the second circuit and a theoretical value (IP1S) for this second stream, and an adjusting part (U10) adjusts the first pump stream (IP0) depending on the deviation (IP D).  Circuit has a first switching arrangement which adjust a different oxygen concentration than in the gas to be measured in the first cell using a first pump stream, and a second switching arrangement which regulates a different oxygen concentration than in the first cell in the second cell using a second pump stream. A differential part (C1) determines a regulating deviation (IP1 D) between the actual value of the second pump stream (IP1) in the second circuit and a theoretical value (IP1 S) for this second stream, and an adjusting part (U10) adjusts the first pump stream (IP0) depending on the deviation (IP1D). An Independent claim is also included for a process for operating a measuring sensor.
Patent DE-19926885-A1 (DE)
Title: Transporteinrichtung für Informationsträger, insbesondere Karten
Inventor: BERNDTSSON ANDERS
IPC: B65G15/14
Filed: 1999-06-12
Abstract: Die Erfindung betrifft eine Transporteinrichtung für Magnetkarten, mit zumindest einem Riementrieb mit Endlosriemen, dessen einer Trum sich im Bereich eines oberseitigen Flächenstreifens an den Informationsträger anlegt, und mit einem dem Riementrieb gegenüberliegenden Gegenhalter, an dem der eine Trum unter Klemmung und Weitertransport des eingezogenen Informationsträgers anliegen kann. Der Trum des einen Riementriebes ist auf der Seite, die dem Informationsträger abgewandt ist, mit Druckgas, insbesondere Druckluft, im Sinne einer zusätzlichen Anpressung an den Informationsträger beaufschlagt. Der Gegenhalter kann als entsprechender Riementrieb ebenfalls mit Endlosriemen ausgebildet sein, der mit seinem an den Informationsträger anlegbaren Trum ebenfalls mit Druckgas beaufschlagbar ist.
Patent DE-19929985-A1 (DE)
Title: Parallel sorting separator for sorting e.g. boxes and crates also other objects provided with at least one double parallel feeding point
Inventor: PROBST MAX-JOSEF
IPC: B07C5/38
Filed: 1999-06-30
Abstract: The sorting unit is provided with at least one double parallel feeding point which can be loaded with objects using supply conveying belts or with the use of a stacker truck (3). Several parallel feeding points (1) can be connected in series and parallel, respectively according to the amount of goods (2) to be sorted also the sorting time available.  The feeding points can be arranged with parallel running circular conveyor belts (4), which can be divided in to four drive segments (5) with respectively at least one servo drive with positioning.
Patent DE-19930004-A1 (DE)
Title: Vehicle with roof rack, having two guides with gap opening outwards in roof region for carrier system
Inventor: FRISCHHUT LUDWIG
IPC: B60R9/042
Filed: 1999-06-30
Abstract: The vehicle has two guides (3) running spaced out from each other parallel to the longitudinal direction of the vehicle (1), with a guide gap opening towards the outside, at least in the region of the roof (16), for a carrier system (13). The guides may run from the rear of the vehicle or from the rear window up to the height of the windscreen.
Patent DE-19932048-A1 (DE)
Inventor: SCHNEIDER JENS STEFAN
IPC: G01N27/30
Filed: 1999-07-09
Abstract: The invention relates to a measuring sensor for determining a concentration of gas constituents in gaseous mixtures. The inventive sensor comprises a first measuring electrode (mixture potential electrode) which does not catalyze or only slightly catalyzes the establishment of equilibrium in the gaseous mixture, in addition to a second measuring electrode (equilibrium electrode) which catalyzes the establishment of equilibrium in the gaseous mixture. The inventive sensor further comprises  a solid electrolyte which is arranged between the two measuring electrodes and which conducts oxygen ions, whereby the two measuring electrodes are exposed to the gaseous mixture. According to the invention, at least the first measuring electrode (16) is a cermet electrode, whereby at least one metal oxide constituent of the cermet electrode can reversibly store oxygen.
Patent DE-19932084-A1 (DE)
Title: Mast rigidity testing method, evaluating difference between sideways deviations of mast for two different forces applied on mast
Inventor: HABRICHS JOHANNES
IPC: G01M5/00
Filed: 1999-07-12
Abstract: The method involves using a force unit (1) to apply a force on a mast (6, 10) which is anchored through a mast foot in the ground, measuring the force, and measuring a sideways deviation due to the torque applied on the mast at a place above the floor. A second, smaller force is applied on the mast, and a corresponding sideways deviation is measured at the same place. The difference between the sideways deviations is evaluated for determining the rigidity of the mast.
Patent DE-19932141-A1 (DE)
Title: Front loading washing machine or dryer has operating element for door locking mechanism that is located at distance from operating panel.
Inventor: WILSDORF GERD
IPC: D06F39/14
Filed: 1999-07-09
Abstract: The operating element (3) for unlocking the door (2) is located in the direct vicinity of the door (2).  The operating element (3) adjoins the door (2) directly or can be located on the top part of the door. In comparison to the pressure keys for program setting, the element (3) has a large surface area.
Patent DE-19940524-A1 (DE)
Title: Vehicle wheel for passenger vehicles has universal wheel dish and rim connected to wheel hub by fastening disc having through holes for wheel bolts
Inventor: LENZKES KARL-HEINZ
IPC: B60B3/02
Filed: 1999-08-26
Abstract: The wheel comprises a rim (1) for holding the tyre and a wheel dish (2) connected to the rim. The wheel dish is fixed to the wheel hub by a device (25) which has a fastening disc (6) which is supported through a first centering action outside against the wheel dish and has at least one through hole (9) for the wheel bolt (10).  The fastening disc has the through holes for engaging the wheel bolts in an arrangement specific to one vehicle whilst the rim and wheel dish can be provided for universal use. The fastening disc can be divided into a number of eccentric discs each having an eccentric hole (9) for the wheel bolt.
Patent DE-19944595-A1 (DE)
Title: Verifying integrity, authorship of and encoding/decoding text involves using one-time algorithm and/or symmetrical crypto algorithm dependent on one secret code
Inventor: BENZLER HARTWIG
IPC: H04L9/08
Filed: 1999-09-16
Abstract: The method involves each subscriber having a characterizing identifier, an individual secret code number and using one-time algorithm and/or a symmetrical crypto algorithm, both dependent on the same secret code number. Pairs of identifiers and secret code numbers are stored in a database in a secure module inaccessible by telecommunications.
Patent DE-19949643-A1 (DE)
Inventor: EWEN MANFRED
IPC: B60R13/02
Filed: 1999-10-14
Abstract: The invention relates to a method for producing a roof stiffening (12) for vehicles and a roof stiffening that is produced according to the inventive method. The roof stiffening which can be applied to the roof skin (10) of the vehicle from the interior consists of a foam layer and an outer cover layer. A foamed strip material (14) which has approximately twice the thickness of the desired roof stiffening is produced. A cover layer (16) is applied to both sides of the strip material during foaming. The foamed strip material is subsequently cut into two plates of a constant thickness and without a contour by splitting said material in a centric manner. The plates are each provided with a cover layer on one side. The compound gets the final shape thereof by gluing the uncovered side of the plate together with the roof skin.
Patent DE-19953261-A1 (DE)
Title: Device to measure vibration or structure-borne noise signals of technical system; has portable data collector that can be connected to measuring points on object and has memory and display to select measuring point
Inventor: BUSCH DIETER
IPC: G01H1/00
Filed: 1999-11-05
Abstract: The device has a measuring object (11-14) with a portable data collector (20) that can be connected to measuring points (a-g) on the object. The data collector has at least one memory (35), in which the object can be entered with its measuring points, for display on a screen (23). A user can select one of the measuring points for a measuring operation. An Independent claim is included for a method for using the device.