baber/WOPTO huggingface dataset:
Patent MX-9709597-A (MX)
Title: Detection of transmembrane potentials by optical methods.
Inventor: TSIEN ROGER Y
Filed: 1997-12-05
Abstract: Methods and compositions are provided for determining the potential of a membrane. In one aspect, the method comprises: (a) introducing a first reagent comprising a hydrophobic fluorescent ion capable of redistributing from a first face of the membrane to a second face of the membrane in response to changes in the potential of the membrane, as described by the Nernst equation, (b) introducing a second reagent which labels the first face or the second face of the membrane, which second reagent comprises a chromophore capable of undergoing energy transfer by either (i) donating excited state energy to the fluorescent ion, or (ii) accepting excited state energy from the fluorescent ion, (c) exposing the membrane to radiation; (d) measuring energy transfer between the fluorescent ion and the second reagent, and (e) relating the energy transfer to the membrane potential. Energy transfer is typically measured by fluorescence resonance energy transfer. In some embodiments the first and second reagents are bound together by a suitable linker. In one aspect the method is used to identify compounds which modulate membrane potentials in biological membranes.
Patent MX-PA98001281-A (MX)
Title: Pipe connection.
Inventor: PARK SIL SANG
IPC: F16L13/00
Filed: 1998-02-16
Abstract: A pipe connection device including a groove adjacent to the pipe end and pressure projections that are lead through the external surface of a narrow inner ring for the purpose of screwing the ring into the groove, thereby achieving a better structural resistance and preventing leakages due to the tension exerted on the pipe. The groove is screwed in the ductile ring end, which is placed within the connector device; a nut is engaged therewith, and presses the inner surface that rests on the external portion of the ductile ring. The abovementioned originates friction on the pipe and thus easier tightening and greater pressure to be applied to force the ductile ring into the groove. Alternative embodiments provide pressure projections on the ductile ring. Where the ring may comprise two parts, and be capable of reducing its circumference as it is tightened. Also disclosed are tools for making the groove on the pipe end.
Patent MX-9806341-A (MX)
Title: Heterocyclyl-ergoline derivatives as 5-ht1a receptor ligands.
Inventor: MANTEGANI SERGIO
IPC: C07D457/02
Filed: 1998-08-06
Abstract: Ergoline derivative having formula (I) wherein R1 is hydrogen atom or C1-4 alkyl group; R2 is hydrogen, chlorine, or bromine atom, methyl or C1-4 alkylthio group; n is 0, 1 or 2; the substituent at position 8 is in 'alpha' or 'beta' configuration; Het represents an aromatic 5-membered heterocyclic ring, said ring having three heteroatoms which are the same or different and which are selected from the group consisting of sulfur, oxygen and nitrogen atom and X is hydrogen, chlorine or bromine or fluorine atom, or a pharmaceutically acceptable acid addition salt thereof are active at the Central Nervous System level. A process for their preparation is also described, as are pharmaceutical compositions containing them.
Patent MX-PA99003522-A (MX)
Title: Hydroxy-methyl-hexanones as flavoring agents.
Inventor: LUIS IBANEZ
IPC: A23L27/29
Filed: 1999-04-15
Abstract: The present invention relates to new alpha -hydroxyketone compositions. In particular, there is provided 3-hydroxy-5-methyl-hexan-2-one, 2-hydroxy-5-methyl-hexan-3-one and mixtures thereof. These compounds have utility as flavoring and masking agents for, e.g., food and beverages. Processes for making such compounds also are provided.
Patent MY-8400342-A (MY)
Title: Urethane derivatives
Inventor: LIU CHAO-MIN
IPC: C12P17/02
Filed: 1984-12-30
Abstract: Urethane derivatives of the formula   <IMAGE> wherein R<1> is aryl, alkylaryl, haloaryl, nitroaryl, alkoxyaryl, aryloxyaryl acylaryl, alkyl, cycloalkyl, arylalkyl, haloarylalkyl or arylcycloalkyl and R<2> is methyl or ethyl, and their pharmaceutically acceptable salts. Moreover, the manufacture of the above urethane derivatives as well as compositions containing same. Also the use of these derivatives for the treatment or prophylaxis of diseases and to promote animal growth.
Patent NL-2015639-A (NL)
Title: Encoder, position measurement system and lithographic apparatus.
Inventor: WOUTER PRIL
IPC: H01L21/68
Filed: 2015-10-21
Abstract: An encoder comprises an optical component and an enclosing device having a first surface portion and a second surface portion. The first surface portion is arranged to receive from an ambient environment a first radiation beam. The second surface portion is arranged to receive from the ambient environment a second radiation beam. The optical component is arranged to 5 combine the first radiation beam and the second radiation beam. The enclosing device is arranged to propagate the first radiation beam along a first path. The first path is between the first surface portion and the optical component. The enclosing device is arranged to propagate the second radiation beam along a second path. The second path is between the second surface portion and the optical component. The enclosing device is arranged to enclose a space, so as to 10 isolate the first path and the second path from the ambient environment.
Patent NL-2021890-A (NL)
Title: Composition for tableware, tableware and method for moulding tableware
Inventor: AMBER JOSEPHINE VAN DILLEN
IPC: C08L99/00
Filed: 2018-10-26
Abstract: The present invention relates to a composition, method and use of the composition, for tableware. The composition is biodegradable. The composition for producing tableware comprising seaweed 5 and biodegradable polymer. The present invention also relates to the method for producing tableware. The method for producing tableware, comprising the steps of: — mixing the seaweed and biodegradable polymer; — blow moulding or injection moulding or thermodynamically moulding of the composition according to any one of the preceding clauses.
Patent NL-2024500-A (NL)
Title: Method for preparing 4-(3-hydroxyphenyl)-4-oxobutanoic acid from lignin
Inventor: MINGQIANG CHEN
IPC: C07C59/74
Filed: 2019-12-18
Abstract: The present invention discloses a method for preparing 4-(3-hydroxyphenyl)-4-oxobutanoic acid from lignin, including the following steps: adding lignin and a catalyst to ethanol; then performing a depolymerization reaction 5 under the condition of supercritical ethanol; and after the reaction, performing rapid cooling to obtain the 4-(3-hydroxyphenyl)-4-oxobutanoic acid, wherein the catalyst includes sepiolite as a carrier and molybdenum and boron as active components supported on the sepiolite. The method of the present invention is simple in process and easy to operate, and avoids inconvenience of operation, environmental pollution and 10 waste of resources caused by using acetic acid and organic compounds as catalysts, the catalyst can be reused, the lignin conversion rate is high, and the selectivity and yield of the monomer 4-(3 -hydroxyphenyl)-4-oxobutanoic acid are high.
Patent NL-2024714-A (NL)
Title: Pellicle and Pellicle Assembly
Inventor: DAVID FERDINAND VLES
IPC: G03F1/64
Filed: 2020-01-21
Abstract: The invention relates to a pellicle assembly comprising a pellicle frame defining a surface onto which a pellicle is attached. The pellicle assembly comprises one or more three-dimensional expansion structures that allow the pellicle to expand under stress. The invention also relates to a pellicle assembly for a patterning device comprising one or more actuators for moving the pellicle assembly towards and way from the patterning device.
Patent NL-284469-A (NL)
IPC: C07C17/38
Abstract: Vinyl chloride is purified by contacting it, in admixture with hydrogen chloride, in vapour phase with a chloride of iron, nickel or cobalt, e.g. at 0-300 DEG C.  The proportion of HCl is preferably at least 3% of the volume of the vinyl chloride.  The metal chloride may be supported.  The purified vinyl chloride may be isolated by e.g. liquefaction, distillation or washing with water.  A suitable starting mixture containing vinyl chloride and HCl is the product obtained by cracking ethylene dichloride.  In examples the purified vinyl chloride has a much reduced butadiene content. Specification 836,970 is referred to.
Patent NL-7107155-A (NL)
Title: Laminated steel pipe for pressurised mediums
IPC: F16L9/16
Filed: 1971-05-25
Abstract: Laminated steel pipe for pressurised mediums This has at least one sealing inner layer and a a number of helically wound outer layers, each of the layers being in intimate contact with the adjoining layer or layers, and the helically wound layers being fixed between inner and outer peripheries, while a number of medium discharge openings extend through all of the layers except the sealing inner layer heating medium leaks rapidly through these openings without damaging the wound layers and the position of the leak is easily detected.
Patent NL-7217802-A (NL)
IPC: E05D15/526
Filed: 1972-12-29
Abstract: The window comprises a rectangular casing and a leaf mounted on a frame and can be caused to pivot about an axis located at the vertical leaf edge or about an axis located at the bottom horizontal leaf edge. The window is provided at one corner with a support comprising a vertical pivot-pin and a horizontal pivot-pin, a link-rod system disposed along the two sides of the window which do not serve as an axis of rotation, the displacements of said system being such as to create one point of pivotal motion and to release the other in alternate sequence. The link-rod system is coupled to a cam having a surface applied in contact with said system so as to displace this latter over certain parts of the cam contour while permitting the system to remain motionless over other parts of the contour.
Patent NL-7403206-A (NL)
Title: Postcard with personal messages included - has provision for holiday photograph greetings address and postage stamp
IPC: B42D15/02
Filed: 1974-03-11
Abstract: The postcard is designed to accept a personal message, both pictorially and by written message. It comprises a flat rectangular felt material of postcard size (1) to which is attached a photograph (2) or other pictorial image, typically a holiday photograph, portrait or landscape scene. Along one edge is an adhesive strip to which may be attached a short message, such as "Greetings From......". The card has a sandwich construction with the central region consisting of an adhesive film with an adhesive surface of both sides. The reverse side of the film forms an attachment for a conventional style of card with spaces for the address, longhand message and stamp square.
Patent NL-7414890-A (NL)
Title: Mechanical washing of cheeses - with a transporter moving through a water bath and three sets of brushes
IPC: A01J27/00
Filed: 1974-11-14
Abstract: Paralleliped shaped prods. esp. cheeses are washed in a trough contg. water. The cheeses are carried on a transporter, each in an individual section on a belt which moves through the water for part of its traverse. The cheeses are moved onto and off the belt mechnically when it is out of the water. They move onto a second line at right angles to the first. There are three sets of brushes after the water. Each has brushes in pairs. The first set is on each side of the first transporter. The second set is above and below the second line and the third set on the sides of it. Appts. is used to clean cheeses after maturation and before waxing.
Patent NL-7500132-A (NL)
Title: Light sensitive PVA layers - with good adhesion to chrome layers, e.g. in printing plates, contain PVA components of different viscosities
IPC: G03F7/04
Filed: 1975-01-07
Abstract: Light sensitive plastics layers based on (PVA), esp. for applicn. to chrome layer of low porosity are improved by using a PVA base material with components of different viscosities having a spread of 12-16 centipoise. They are used esp. in the prodn. of multilayer light sensitive offset printing plates with a chrome top layer, using a PVA light sensitive layer contg. a bichromate or diazo cpd. as light sensitiser. The PVA films have better adhesion to dense chrome surfaces and withstand the mechanical treatments involved in making the plates, without reducing the light sensitivity or resolution of the plate.
Patent NL-7500657-A (NL)
Title: Thermoplastic hose extrusion - with divergent cooling air nozzles in taper mould after cone-shaped extrusion
IPC: B29C48/90
Filed: 1975-01-20
Abstract: Hoses are extruded from thermoplastic foil material through a divergent conical die with a central air inlet. A stack of cooling rings forms a divergent mould through which cooling air escapes through channels at an angle of 50 degrees-150 degrees (100 degrees-150 degrees) to the conical surface. After solidification, the hose is folded flat and extracted through pairs of rollers. This results in a greater uniformity of the wall thickness of the extruded hoses. The resin is kept clear of the mould as long as it is not solidified.
Patent NL-7501993-A (NL)
Title: Indicator of overfilling of tanks - uses oscillator to indicate when level is exceeded when filling vessels and tanks with solid and liquid substances
IPC: G01F23/26
Filed: 1975-02-20
Abstract: The device comprises a measuring element (8) with means for mounting it securely in the container measuring instrument is affected by the substance when it is filled up to the level of the instrument. There is an oscillator (2) which is connected with this instrument (8), which delivers a signal when the substance fills the container up to the level of the instrument (8). A circuit is connected to the oscillator n2), which responds to its signal and indicates when the substance has reached the instrument level. The substance filling the vessel or tank may be either a liquid or a free flowing solid granular material.
Patent NL-7504327-A (NL)
Title: Radio intruder alarm system - has two detector channels and gate responding to simultaneous channel signals
IPC: G08B25/10
Filed: 1975-04-11
Abstract: A transmitter/receiver system for security scanning, burglar alarms etc., with a miniature transmitter which can be concealed on premises or on the person and a fixed receiver triggering an alarm system. The transmitter has two crystal oscillators on fixed frequencies for example 26.9 and 27.1 MHz. The receiver has an antenna and preamplifier feeding two detector channels with mixers converting to 1.1 MHz and 0.9 MHzthe outputs of these channels are taken to a gate which responds only when signals are present in both channels simultaneously signal is absent, the integrator following the gate circuit charges a condenser whose time-constant is such that the alarm does not respond to short-duration interference signals. If however the two signals are received simultaneously for more than 0.5 seconds, this is accepted as a positive indication that the transmitter has been activated and the charged condenser triggers the alarm.
Patent NL-7514439-A (NL)
Title: Starch modified with water soluble acyl thiosulphates - has good dispersion and stiffening properties, used esp. for sizing of paper and in textile finishes
IPC: C08B31/04
Filed: 1975-12-11
Abstract: Hydrophobic starch esters are made by reacting unstiffened starch with a cpd. R-CO-S-SO2-OH (I) in which R = cycloalkyl, (substd) aryl gp. or arylalkyl gp. and X is H or a salt forming ion, in the presence of an alkaline catalyst. Pref. the starch is reacted with a benzoylthiosulphate salt or a benzyloxycarbonylthiosulphate salt in aq. medium. The starch derivs. are easier to disperse and to stiffen than hydrophobic starch derivs. made with the same degree of substitution but using water-insoluble reagents. The prods. are useful for stiffening and finishing textile fabrics, for bulk- and surface sizing of paper, and as adhesives and binders for various granular and fibrous materials.
Patent NL-7701223-A (NL)
Title: Thin film evaporator with rotor-mounted wiper blades - esp. of PTFE has all other internal surfaces enamelled
IPC: B01D1/30
Filed: 1977-02-04
Abstract: A thin film evaporator consists of a (vertical) cylindrical vessel, the inner face of which acts as the heating surface and is swept by PTFE or similar wiper elements mounted on radial arms of a coaxially mounted rotor shaft. The inner wall face of the vessel and the rotor unit, except for the PTFE wiper elements are all enamelled in corrosion-resistant enamel. Pref. the rotor shaft if top-mounted only outside the vessel, in a hearing, while the lower end of the shaft is freely suspended. All parts with the exception of the wiper blades themselves are of corrosion-resistant material and there are no bearings inside the vessel itself to be subject to corrosion.
Patent NL-7908108-A (NL)
IPC: C07C41/05
Filed: 1979-11-06
Abstract: An ether is prepared by reacting a selected olefin with an alcohol in a two reaction zone system: in the first reaction zone, the catalyst is dispersed in the liquid phase of the reactants and boiling of the mixture is avoided; in the second reaction zone, the catalyst is in a fixed bed. A cooled recycle stream is fed back to the first stage reactor. The catalyst is a sulfonated ion exchange resin in the acid form.
Patent NL-7909357-A (NL)
IPC: B65D25/20
Filed: 1979-12-28
Abstract: A plastics tray, in particular a crate, to be used for objects or merchandise, which is provided with a space bounded by edge parts (6,7) at both sides, said space being used for positioning a carrier (5) for marks. The space and the carrier (5) extend around the plastics tray.
Patent NL-8100485-A (NL)
Title: Two=stroke IC fuel injection engine - has pistons in cylinders rotating about central shaft and transmitting power via planetary gearing
IPC: F02B41/00
Filed: 1981-02-02
Abstract: The compression ignition engine comprises three cylinders rotating around a central shaft inside a housing and each containing reciprocating pistons of which one has gudgeon pin halves carrying gear wheels which mesh with internal-gear rings forming a planetary gear system. Combustion air is provided by blowers via axial ducts. Each cylinder has a scavenging port and an exhaust port connected to an exhaust system. Fuel injectors are cam-operated.
Patent NL-8104553-A (NL)
Title: Composite storage and transport rack - has removable pins securing containers in apertures in support plate
IPC: A01J25/16
Filed: 1981-10-06
Abstract: The storage and transport rack is for products such as cheese, which have to be well ventilated on all sides. It comprises a support plate (1) with apertures (2) and on which containers for the products are placed. Supporting members fit in the apertures, while the containers are secured in the latter by removable pins (3) fitted in the plate. The components can be of injection-moulded plastic, and the containers can be mounted on the plate in a honeycomb pattern.
Patent NL-8200150-A (NL)
Title: Pig-rearing barn construction - has grating on each side of solid section in each sty floor
IPC: A01K1/02
Filed: 1982-01-15
Abstract: The barn contains one or more sties, each accommodating a number of animals. The floor of each sty comprises a solid section, and also a grating through which dung can fall into a cellar below. In each sty there is a grating (6,7) on each side of the solid section (5) of the floor, and top and lateral guards are provided for the living space for the animals, formed by the solid section and one of the gratings. The surface of the solid section can be cambered, so that the gratings are at a lower level than it. The solid section can be in one piece with one of the gratings.
Patent NL-8303634-A (NL)
Title: Branch fitting providing access to pipe interior - has two integral barrels enabling cutting and plug insertion operations to be performed
IPC: F16L41/06
Filed: 1983-10-21
Abstract: A branch fitting for providing access to the interior of a pipe has a body portion having a semi-cylindrical surface for sealably engaging a pipe, and which can be clamped in position. First and second cylindrical barrel portions extend from the body portion in opposite directions in the plane of the axis of the pipe. The first barrel contains a cutter for providing an opening in the pipe which provides access between the second barrel and the pipe interior. An operating member is positioned in the second barrel which can be moved from the barrel into the pipe. The appts. of the invention enables a pig to be inserted into a pipe by a single piece of equipment and thus without the need of assembling and disassembling equipment between a cutting and an insertion operation. This prevents the possibility of leakage.
Patent NL-8402091-A (NL)
Title: Reduced energy consumption ammonia synthesis - where synthesis gas mixt. is produced by partial oxidn. followed by removal of carbon oxide(s) and water from gaseous effluent
IPC: C01B3/02
Filed: 1984-06-30
Abstract: (i) Air and hydrocarbon streams are reacted at 35-150 bar in a first partial oxidn. zone contg. a catalyst to produce a gas mixt. contg. H2, N2, H2O, carbon oxides, inert gas and unreacted hydrocarbon; temp. at the zone exit is 850-1200 deg.C. (ii) CO in the mixt. is then shift converted into a CO2 plus H2 mixt. (iii) CO2 and H2O is removed from the mixt. obtd. in (ii) and the resulting synthesis gas mixt. obtd. is (iv) fed to a second zone for partial conversion of N2 and H2 to NH3. (v) NH3 is sepd. from the gas effluent from the zone and the gas mixt. remaining is at least partially recycled. Amt. of air fed to zone in (i) must ensure that the H2:N2 molar ratio in the mixt. obtd. in (ii) is 2.5-3:1; additional O2 is also fed to the first zone to effect the required degree of hydrocarbon conversion.
Patent NL-8800093-A (NL)
Title: Device for scraping material from heap - has several elongate members guided by rollers across heap and transport vehicle to carry elongate members along guide path
IPC: A01F25/20
Filed: 1988-01-15
Abstract: The scraping device has several elongate members which are rigid due to applied tensile stress and are in the form of pins, rods, strips or ropes. Guides rollers guide the members in a selected, closed path having at least one active straight part. A transporting vehicle conveys the members transversely along the path. The closed path extends at an interval outside the path of the transporting vehicle allowing scraped off material to be discharged freely. The transporting vehicle has a drive with a transporting part that is trained over guide wheels or rollers. It is flexible in the transporting direction and is blocked against torsion in the straight part of the path. A chain with protruding hinge pins is also part of the transporting drive.
Patent NL-8802954-A (NL)
Title: Bridge building construction method - uses two interconnected floating platforms either side of caisson position
IPC: B63B35/00
Filed: 1988-11-30
Abstract: The floating platform supports a movable crane with two central lifting blocks (16), supported by two struts (9), all mounted on two adjoining platforms (8) to form vessel (7) with common propulsion drive. Pillar and caison (5) can thus be placed on foundation (4), using the floating crane unit, which provides a stabilised control during positioning.
Patent NL-9002555-A (NL)
Title: Packaging device for flower bunches - uses belt transporter, tapered sleeve, and gripper device
IPC: B65B25/02
Filed: 1990-11-23
Abstract: The packaging device includes a flower bunch (1) and a funnel-shaped paper sleeve (2). A belt transporter (9) includes a detector for automatic positioning of flowers. An air nozzle (10) directs compressed air into the wide end (3) of the sleeve. Air nozzle operation enables the sleeve to open to its full extent for entry of a pre-arranged bunch. A gripper device (13) includes a clamp (14) and is moved by a pneumatic activator (15) for controlled depositing of the bunch into the sleeve. A robot arm (17) controls tear-off operation of the packaging sleeve.