baber/WOPTO huggingface dataset:
Patent CA-2146115-A1 (CA)
Title: Interdigitation-fusion liposomes and gels
Inventor: BONI LAWRENCE T
IPC: B01J13/02
Filed: 1993-10-13
Abstract: This invention relates to interdigitation-fusion (IF) liposomes and gels. These liposomes and gels capture high solute to lipid ratios, including bioactive agent. This invention also relates to the discovery that the fusion of liposomes to produce IF gel and liposomes according to the present invention is size dependent. The present in-vention also relates to a method for producing IF lipo-somes and gels. In the method of the present invention, sized liposomes formed by sonication, extrusion or altern-ative processes are fused in the presence of ethanol or other suitable inducer. This process results in a composi-tion of the present invention in gel form. To produce lipo-somes, the gels are exposed to a temperature usually but not necessarily above the transition temperature (Tm) of the lipid used. The temperature required by the methods of the invention is that temperature which induces a change in the material properties of the mixture. The in-ducer may also be removed. The result is a composition comprising liposomes containing high solute to lipid ra-tios. The IF liposomes and gels of the present invention may be used in combination with numerous solutes, espe-cially including bioactive agents.
Patent CA-2146642-A1 (CA)
Title: Low capacity mobile assisted handoff in a cellular communications network
Inventor: RUNE GOERAN
IPC: H04B7/26
Filed: 1994-08-08
Abstract: A method of controlling handoff in a telecommunications network is provided, the network including a land system and a plurality of mobile stations, the land system including a plurality of cells, the method comprising the steps of dividing each cell into a first region where evaluation of measurement values is performed and a second region where the evaluation of measurement values when a mobile station enters the first region, and controlling the handoff based on the evaluation of measurement values.
Patent CA-2147291-A1 (CA)
Title: Baby-go-round
Inventor: MAIDMENT JAMES
IPC: A47D13/00
Filed: 1995-04-19
Abstract: An apparatus that allows infants three months to walking to be mobile in a defined area.  This apparatus has a large bottom that gives the child the defined area.  In the middle of the said base, is a bearing that has an attached vertical pole that curves out from the said bearing to the perimeter of said base.  The vertical pole curves back up past centre point. This vertical pole rotates in circles forward and backwards.  The pole has a cut in the top that allows a chain to be lengthened or shortened.  Attached to the chain is a chair that hangs freely allowing the chair to swing in and out, from side to side, circles backwards and forwards.  This chair with the help of the  vertical pole enables the child to walk, run, backwards and forwards, even swing in all directions.
Patent CA-2147397-A1 (CA)
Title: Retaining wall block
Inventor: DREW JAMES JOSEPH
IPC: E04C1/39
Filed: 1995-04-20
Abstract: A dry-mounted block for a retaining wall which has  a  solid rectangular body having  side  surfaces,  a front and rear surface and a top and bottom surface.  The top and bottom surfaces are provided with  locating means for aligning other like blocks with the block  so  as  to form a flat retaining wall face.   The body of the block has  an  opening  extending  therethrough  from  the  front surface  to  the  rear  surface  for  planting  vegetation therein.  The vegetation grows out of the opening over an exposed face of the retaining wall.
Patent CA-2149788-A1 (CA)
Title: Gas detection devices
Inventor: GRIFFITHS RICHARD FREDERICK
IPC: G01J1/54
Filed: 1993-11-12
Abstract: A device (19), for measuring changes in the intensity of a beam (52) of ultra-violet light, includes a gas tight container (10) having a window (11) translucent to ultra-violet light and containing detector means (12a, 20) sensitive to changes in the amount of ultra-violet light entering the container. The detector means (12a) might be a gas, ionisable by ultra-violet light, which fills the container (10), or a plate (20) having photo-electric sensitivity to ultra-violet light. The device includes means (13, 14, 15, 16, 17; 25, 26, 27, 28) for measuring the ultra-violet light.  The device can be used as a gas detector, measuring the loss in ultra-violet light in a beam (52) from a lamp (51) crossing a passage (50) through which flows an airflow containing a contaminant gas of the type which absorbs or is ionised by ultra-violet light.
Patent CA-2149855-A1 (CA)
Title: Chopper
Inventor: MOOR ROLAND
IPC: A47J47/04
Filed: 1995-05-19
Abstract: The chopper comprises an upper part, a cylindrical part axially displaceable therein with a head, a blade connected to the cylindrical part, a lower part which can be placed upon the upper part as well as a chopping cup which can be placed on the lower part. The lower part is provided with an outwardly protruding projection on its lower end. The chopping cup has a floor with a rim in its outer area which protrudes upwardly outside on the lower part. The rim is provided with nubs on the inside which together with the projection form a snap closure. During chopping, the chopped food remains in the chopping cup. After the chopping process has been completed, the chopping cup with the chopped food can be removed from the lower part.
Patent CA-2151160-A1 (CA)
Title: Paper drinking cup holder
Inventor: MACAULEY BRUCE
IPC: B65D25/28
Filed: 1995-06-07
Abstract: A disposable cup holder consists of a band for supporting a cup in co-axial register therewith. The band encircles an opening for receiving a tapered portion of the cup's exterior surface in abutting relation against a generally correspondingly-tapered interior surface of the band. The band further has provision for being grasped, to enable a person to lift and manipulate the holder, with the cup supported therein.
Patent CA-2153007-A1 (CA)
Title: Appliance for opening screw-top jars
Inventor: MILLER JAMES LESLIE
IPC: B67B7/18
Filed: 1995-06-29
Abstract: The household appliance is for receiving the cap of a screw-top jar, and for gripping the cap so firmly that a person can bring all available force to bear to crack open the cap.  The appliance includes flanges (one of which is toothed) which are bent up from a flat panel.  The flanges are rigid and strong, whereby they do not deflect under the gripping forces.
Patent CA-2153389-A1 (CA)
Title: Fiber optic sensor and methods and apparatus relating thereto
Inventor: JORGENSON RALPH C
IPC: G01N21/55
Filed: 1994-01-05
Abstract: There is disclosed fiber optic sensor which detects a sample in contact with the sensor by surface plasmon resonance (SPR) measurements, as well as methods and apparatus relating thereto. The fiber optic SPR sensor of this invention employs a limited range of incident angles and uses incident light having multiple wavelengths. In preferred embodiments, both an in-line transmission-based fiber optic SPR sensor and a terminated reflection-based fiber optic SPR sensor are disclosed. The fiber optic SPR sensor includes a surface plasmon supporting metal layer in contact with an exposed portion of the optical fiber core, and may optionally contain one or more additional layers deposited on the surface plasmon supporting metal layer. In further embodiments, methods are disclosed for detecting a sample by contacting the sample with the fiber optic SPR sensor of this invention, as well as sensing apparatus which contain the fiber optic SPR sensor in combination with a source of electromagnetic radiation of multiple wavelengths and a detection device.
Patent CA-2153650-A1 (CA)
Title: Remote control system for ceiling fan and light
Inventor: MEHTA VINAY
IPC: G08C17/02
Filed: 1995-07-11
Abstract: An RF remote control system for operating a ceiling fan and its light is disclosed. The remote control system comprises a receiver and two remote controllers, each having different operating characteristics. The remote controllers use radio frequency (RF) transmission to send control signals to the receiver. The receiver utilizes a microprocessor to process the control signals from the remote controllers and to operate the ceiling fan and its light. The receiver also includes a power interruption feature, which allows the operation of the ceiling fan light without the use of the remote controllers.
Patent CA-2155469-A1 (CA)
Title: Transmission for an actuating drive having a spring return feature
Inventor: BIRCHMEIER WERNER
IPC: F16K31/04
Filed: 1995-08-04
Abstract: The invention relates to a transmission for a spring return actuator  The transmission comprises a drive pinion (2) associated with the actuator, an intermediate pinion (5)  meshing with the drive pinion (2), an output shaft (3) with a clutch (4) for a final control element, and two wheels (6, 7) disposed on the same spindle.  The wheels (6, 7) have respective external toothing (8, 9) and a respective rotatably mounted hub (10, 11) which extends with the interposition of an annular gap around the output shaft (3).  The drive pinion (2) is in engagement with the external toothing (8) of one of the two wheels.  The intermediate pinion (5) engages in the external toothing (9) of the other wheel.  A clutch sleeve (14) is disposed in the annular gap between the output shaft (3) and the wheels (6, 7), is releasably connected to the output shaft (3) and is in positive engagement with the hub (10, 11) of one of the wheels (6 or 7).  The directlon of rotation of the output shaft (3) can be changed by changing the clutch sleeve (14). - Fig. 1.
Patent CA-2158164-A1 (CA)
Title: Chair base
Inventor: LAPOINTE LARRY PATRICK
IPC: A47C7/00
Filed: 1995-01-11
Abstract: The present invention provides a non-wooden base assembly (14) for use in articles of furniture and, more particularly, in platform-type motion chairs.  In a preferred form, each of the distinct rail components (30, 32, 34), which when assembled define the base assembly (14), is fabricated from a rigid and durable non-wooden material. An additional object of the present invention involves the ability to quickly and simply assemble front and rear cross rail components (30, 32) between the laterally-spaced side rail components (30) for modular assembly of the non-wooden base assembly (14). Finally, means are provided for permitting precise fixation of the front and rear cross rail components (30, 32) to the side rail components (30).
Patent CA-2159550-A1 (CA)
Title: Apparatus to generate magnetism
Inventor: MASAKI KAZUMI
IPC: H01F7/20
Filed: 1995-09-29
Abstract: The present invention is to provide means to attain an improved current efficiency and a stabilized operation even when used to generate high-power magnetic pulses at shortened pulse intervals.  The objective is attainable with an apparatus to generate magnetism,  comprising a plurality of magnetism-generating circuits which are cascaded each other, each magnet-ism-generating circuit containing a coil member to generate magnetism and a capacitor to provisionally store the current across said coil member; and a conduction-controlling circuit which is  to operate  the magnetism-generating circuits  in a prescribed order.
Patent CA-2162705-A1 (CA)
Title: Magnesium salt of 3-isopropyl-2,1,3-benzothiadiazin-4-one 2,2-dioxide, its preparation and its use for controlling undesirable plant growth
Inventor: JAEGER KARL-FRIEDRICH
IPC: A01N43/88
Filed: 1994-05-02
Abstract: The invention concerns a solid, non-hygroscopic magnesium salt of 3-isopropyl-2,1,3-benzothiadiazin-4-one 2,2 dioxide of formula: (see formula II) a method of preparing it, solid, in particular granular, formulations containing it plus its use in the control of undesired plant growth.
Patent CA-2162965-A1 (CA)
Inventor: MCGOVERN CHRISTOPHER
IPC: F25D21/14
Filed: 1995-11-15
Abstract: A refrigerated display case with an improved air flow control system located in the lower portion thereof along with an improved means for controlling spillages and other contaminants which commonly fall downwardly into the tank or lower area thereof.  The spillage controls including a waste control outlet along with an inclined coil cover and fan housing as well as a deck plate extending thereover. The deck plate also defining the plenum chamber within which the inclined fan housing and inclined coil and coil cover are located.  A front bracket is included which allows attachment of a return grill thereto along with a support shelf for holding the refrigeration line means away from the waste receiving outlet.
Patent CA-2170018-A1 (CA)
Title: Easy to assemble storage unit
Inventor: SNOKE STEVEN R
IPC: E05B65/467
Filed: 1996-02-21
Abstract: The present invention is an easy to assemble storage unit.  The present invention provides a method of assembly that utilizes an interlocking scheme of tabs, catches and openings.  The connection comprises a catch within a tab extending from a wall of the container that locks into a receiving opening on a top wall or floor panel.  The storage unit utilizes similar components for the side walls and similar components for the top wall and floor panel.
Patent CA-2170231-A1 (CA)
Title: Filtration media retention device
Inventor: BASSETT GOVERT L II
IPC: B01J8/44
Filed: 1996-02-23
Abstract: A filtration media retention grid is disclosed which provides slots formed in a plate of material, the slots being formed with a angled opening such that fluid passing through the slots, either during filtration or during backwashing, deflect fluid-borne material away from the slot openings thereby reducing clogging of the slots. The slots openings are angled to facilitate self-cleaning of the grid and increases efficiency of filtration and backwashing.
Patent CA-2172055-A1 (CA)
Title: Process (ii) for the preparation of powdered medicament
Inventor: TROFAST EVA
IPC: A61J3/06
Filed: 1994-09-29
Abstract: According to the invention there is provided a method of treatment of a finely divided powdered medicament  having a particle size smaller than 10 µm and poor flowing properties to form, in a controlled manner, agglomerates or pellets which are free flowing and which are capable of breaking down to provide the finely divided medicament, comprising the steps of agglomerating  the powdered medicament having a particle size being smaller than 10 µm by feeding the material to a sieve, causing the finely divided powdered medicament  to pass through the apertures of the sieve thereby obtaining agglomerates, spheronizing  the resulting agglomerates in order to provide agglomerates which are more spherical, more dense and more compact than the agglomerates  resulting from the agglomeration process in the sieve, and sizing the agglomerates to obtain a uniform size of the final product.  According to the invention there is also provided an apparatus for carrying out the method.
Patent CA-2173301-A1 (CA)
Title: Variable Communication Bandwidth for Providing Automatic Call Back and Call Hold
Inventor: BALES BRUCE MERRILL
IPC: H04M3/428
Filed: 1996-04-02
Abstract: Automatically reducing communication bandwidth to coincide with the state of a communication  call by a communication terminal.  If a first telecommunication terminal puts a second telecommunication terminal on hold, thefirst telecommunication terminal transmits a transport message that reduces the bandwidth of the call to a low speed data link. When the first telecommunicationterminal wishes to again be in communication with the second telecommunication terminal, a transport  message is utilized to restore the communication  bandwidth. If a first communication terminal calls a second communication terminal and the second communication terminal is busy, the first communication terminal reduces the bandwidth of the communication call to that of a low speed data link. When the second telecommunication terminal becomes idle, the second terminal sends a message to the first terminal indicating the idle state.  The first telecommunication terminal  then uses a transport message to increase the communication bandwidth to the desired amount and engages the second communication terminal in a communication  call.
Patent CA-2173340-A1 (CA)
Title: Apparatus and method for activating photoactive agents
Inventor: D SILVA EDMUND D
IPC: F21V29/00
Filed: 1995-08-22
Abstract: The present invention provides improved methods and apparatus for irradiating a product with light of specific wavelength to activate the photoactive agent that is contained in the product. To this end, in an embodiment, a device (22, 24) is provided that comprises a source of radiation including a plurality of light emitting diodes (36). Each light emitting diode includes a body portion through which radiation is transmitted.  The body of the diode (36) is surrounded by a fluid (43). In this regard, a first housing (26) is provided that includes an interior (34) that contains the light emitting diodes (36) and a fluid (43). The housing (26) includes a transparent window (42) for allowing radiation generated by the light emitting diodes (36) to flow through the window (42) and irradiate a product (18) that is in juxtaposition to the window (42).
Patent CA-2173628-A1 (CA)
Title: Mixing Valve Having a Ball Valve Cartridge and a Lower Insert Member
Inventor: KNAPP ALFONS
IPC: F16K11/087
Filed: 1994-10-07
Abstract: A mixer valve includes a cartridge (26) that houses a ball valve element (24) that has its lower end exposed to cooperate with elastomeric seals (49) seated in inlet ports (45, 46). The ball valve element (24) is vertically affixed within the cartridge housing (56) by a pin (60). The elastomeric seals (49) and ports (45, 46) are in an installable member (44) which cooperates with inlet passages (18, 19) in the lower base member (14). The cartridge (26) is removable from the insert member to expose the elastomeric seals (49) for replacement thereof.
Patent CA-2179365-A1 (CA)
Inventor: BERNDT KLAUS W
IPC: C12Q1/04
Filed: 1996-06-18
Abstract: The present invention describes a multiple sample container for use in a method and apparatus for detecting microorganisms in a culture container.  The container includes a block having a plurality of through holes for dividing the sample into a plurality of partial samples.  Each partial sample has its own head space and its own sensor. The spacial array of partial samples is read out by a CCD camera and split into partial sample to generate a spacial array that results in a substantial reduction in the time to detection.
Patent CA-2181824-A1 (CA)
Inventor: LEWIS GREGORY D
IPC: G01N35/08
Filed: 1995-02-15
Abstract: An apparatus for detecting obstructions of a flow line. A detector housing is provided having a cavity therein. The detector housing has first and second openings into the cavity. The flow line is attached to the detector housing establishing a flow path through the first opening, the cavity, and the second opening, respectively. A pressure detector detects changes in pressure within the cavity, indicating the presence of an obstruction.
Patent CA-2181835-A1 (CA)
Inventor: GARCIA VACAS MARIA TERESA
IPC: H04J3/06
Filed: 1995-11-27
Abstract: Burst alignment procedure between cordless terminals (T) and their base stations (BS), from which the cordless terminals (T) in question obtain the ref-erence for their timebase. This burst alignment pro-cedure is applicable in digital cordless communica-tions systems with time division multiple access. to ensure the correct reception of the bursts received with different delays due to propagadon effects. In this procedure, the cordless terminals (T) retransmit successively, up to a maximum number of times, the first bursts to their base stations (BS), bringing them forward on each retransmission by a number of bits, depending on the inter-channel guard space, until an answer is received from their base stations (BS) once they are correctly synchronized with them.
Patent CA-2182360-A1 (CA)
Inventor: EDWARDS JEFFREY CHARLES
IPC: E21B17/042
Filed: 1995-02-20
Abstract: A fluid-tight coupling (2) for connecting opposite ends of the pipe section (4, 6) to provide a fluid-tight seal is described. The fluid-tight seal between the upper and lower tubular sections is provided by an upper and a lower metal-to-metal seal produced respectively between a lower sealing surface (10) of the upper pipe sec-tion (4) and an upper sealing surface (12) of an annular interface member (8) and an upper sealing surface (14) of the lower section (6) and a lower sealing surface (16) of the annular interface member (8). The metal-to-metal seals are produced and main-tained by a collar (20) arranged coax-ially about the coupling region of the tubular sections. The collar (20) is coupled by threads (24, 26) to the upper and lower pipe sections and rotation of the collar (20) in one di-rection brings the sections (4, 6) to-gether comprising the interface mem-ber (8) and deforming at least one sealing surface of each pair of seal-ing surfaces (10, 12) and (14, 16) to increase the contact area and provide metal-to-metal seals.  Embodiments and applications of the invention are described.
Patent CA-2183932-A1 (CA)
Inventor: TRUAX DAVID
IPC: B23P15/28
Filed: 1996-08-22
Abstract: An improved polycrystalline diamond composite ("PDC") cutter with at least a secondary PDC cutting surface in addition to a primary PDC cutting surface and a method for making the same, wherein the cutter consists of at least one wafer of cemented tungsten carbide. The secondary cutting surfaces are formed by compacting and sintering diamond on grooves formed at the surface of a wafer forming the cutter body. When more than one wafer is used, the wafers are bonded to form the cutter body. Different grades of diamond may be compacted and sintered in different grooves.
Patent CA-2184160-A1 (CA)
Title: Binaural synthesis, head-related transfer functions, and uses thereof
Inventor: M LLER HENRIK
IPC: H04S1/00
Filed: 1995-02-27
Abstract: The invention relates to improved methods and apparatus for stimulating the transmission of sound from sound sources to the ear canals of a listener, said sound sources being positioned arbitrarily in three dimensions in relation to the listener. In particular, the invention relates to new and improved methods for measurement of Head-related Transfer Functions, new and improved Head-related Transfer Functions, new and improved methods for processing Head-related Transfer Functions, and new methods of changing, or of maintaining, the directions of the sound sources as perceived by a listener. The measurement methods have been improved so that it is now possible to measure and/or construct Head-related Transfer Functions for which the time domain descriptions are surprisingly short and for which the differences from one individual to the other are surprisingly low. The new Head-related Transfer Functions can be exploited in any application concerning simulation of sound transmission, e.g. auralization of concert halls, measurement, simulation, or reproduction of sound, such as in binaural synthesis, e.g. for generation, by means of two sound sources, such as by headphones or by two loudspeakers, the perception of a listener that he is listening to sound generated by a multichannel sound system, such as a surround system, a quadraphonic system, a stereophonic system, etc, in the design of electronic filters used in, e.g. virtual reality systems, to simulate sound transmission from a virtual sound source to the ear canals of the listener, or, in the design of an artificial head that is designed so that its Head-related Transfer Functions approximate the Head-related Transfer Functions of the invention as closely as possible in order to make the best possible representation of humans by the artificial head, e.g. to make artificial head recordings of optimum quality.