baber/WOPTO huggingface dataset:
Patent CA-2107164-A1 (CA)
Title: Controlled precipitation of particulate diagnostic imaging contrast agents
Inventor: MCINTIRE GREGORY L
IPC: A61K49/22
Filed: 1993-09-28
Abstract: ABSTRACT       The present invention is directed to a composition comprised of a co-precipitation of a relatively solvent-soluble organic material and a relatively solvent-insoluble organic material, said relatively solvent-soluble organic material being selectively dissolved to produce a void-containing particle.  In a preferred embodiment, the voids are filled with air.  A preferred relatively solvent-soluble organic material is carboxylic acid such as benzoic acid, salicylic acid, or diatrizoic acid.  A preferred relatively solvent-insoluble organic material is an ester of diatrizoic acid, such as the ethyl ester thereof.      The present invention is further directed to a method of making a void-containing particle, comprising co-precipitating a relatively solvent-soluble organic material and a relatively solvent-insoluble organic material under conditions and for a time sufficient to form a co-precipitate, and contacting said co-precipitate with a solvent for a time and under conditions sufficient to dissolve said relatively solvent-soluble organic material to form a void-containing particle.  In a preferred embodiment, the void-containing particle is freeze-dried for a time and under conditions sufficient to fill said voids with air.      The present invention is further directed to a method of diagnosis comprised of administering to a mammal a contrast-effective amount of a void-containing or air-containing particle described above, and generating a diagnostic image of said mammal.
Patent CA-2109430-A1 (CA)
Title: Reusable pouch fitment
Inventor: WIRSIG RALPH C
IPC: B05B11/00
Filed: 1992-04-10
Abstract: A spout is disclosed, for insertion into and se-curement to a plastic pouch. The spout has a film-puncturing end comprising a tube (22) and a remov-able plunger (34) adapted to move coaxially inside the tube. One end of the plunger (36) is conical and adapted topuncture film and expand an opening re-sulting from the puncture in a manner to lead the edges of the opening over the tube. The tube also is adapted (25) to permit the edges of the opening to move over the conical portion and thence over the outer periphery of the tube.
Patent CA-2110176-A1 (CA)
Title: Topical preparation for healing wounds of the skin
Inventor: YANAGAWA AKIRA
IPC: A61K31/22
Filed: 1993-03-26
Abstract: A B S T R A C T          Disclosed is a topical preparation for healing wounds of the skin,  which can demonstrate remarkable effects of the treatment of wounds of the skin, such as an ulcer of the skin, traumatogenic wounds caused by the abrasion of the skin, traumatogenic wounds caused by the defect of the skin, an ulcer of the crus, zoster, and so on.  The  topical  preparation  contains  at  least  one pharmaceutically   effective   compound   selected   from gefarnate, sucralfate, cetraxate and sofalcone.
Patent CA-2112203-A1 (CA)
Title: Input Amplifier Circuit
Inventor: URIYA SUSUMU
IPC: H03K5/02
Filed: 1993-12-22
Abstract: An input amplifier circuit including a gate circuit for amplifying such as a NAND circuit or a NOR circuit, in which a signal to be amplified is input from a first input terminal and an operating state or an unoperating state is selected by an enable signal input to a second input terminal, and a switch circuit including a resistance part, which is connected between the first input terminal and the output terminal of the NOR circuit and is controlled by the enable signal. A first MOS transistor is connected between a direct current power source and the first input terminal and is controlled by the enable signaland a second MOS transistor is connected between the first input terminal and ground and is controlled by the enable signal. Hence, time required for raising from the unoperating state up to the operating state can be reduced.
Patent CA-2113065-A1 (CA)
Inventor: JIANG JI-LONG
IPC: C07H19/16
Filed: 1994-01-07
Abstract: A process is disclosed for the preparation of optically active purine nucleosides, particularly nucleosides of formulae 1 and 2, nucleoside analogs and optically active intermediates of formula 3 which may be used in the preparation of nucleosides of the formula 4 as well as a purine nucleosides and nucleoside analogs.   (see formulas) The process is directed to the preparation of such compounds, including novel such compounds in their respective .alpha.- and .beta.-anomeric forms, and the enantiomeric forms of these compounds. These compounds show various levels of anti-viral and/or anti-cancer activity.
Patent CA-2113688-A1 (CA)
Title: Method of supplying current to a sodium high-pressure discharge lamp, and current supply system
Inventor: BOENIGK MICHAEL
IPC: H05B41/392
Filed: 1994-01-18
Abstract: ABSTRACT OF THE DISCLOSURE.      To provide for optimum control of a sodium high-pressure discharge lamp operating under saturated operating conditions, such that the lamp will be operating stably and providing light output which is an optimum with respect to the color rendition index (Ra), light output or luminous flux, and color temperature, without regard to manufacturing tolerances or variations in power supply voltage, the energy supplied to the lamp is controlled with respect to a quotient formed of lamp voltage and lamp current (VL/IL), said quotient being determined with respect to optimum light values.  The power supply for the lamp (3) either is a stabilized output voltage power supply (22) in which the output current is controlled, or an oscillator (32) providing bursts or power pulses (10, 10') formed of oscillations (11). Both the number of power pulses as well as holding pulses (12) between power pulses (to prevent extinction of the lamp), energy level of the respective pulses and frequency of oscillations, respectively, can be controlled to obtain the optimum value for the quotient of lamp voltage and lamp current.
Patent CA-2114513-A1 (CA)
Title: A method and system for removing sulphide(s) from sour gas
Inventor: GALLOWAY ANTHONY J
IPC: B01D53/52
Filed: 1994-01-28
Abstract: A process for removing sulphide(s) from sour gas comprising contacting sour gas with a treatment agent comprised of make-up triazine. The treatment agent extracts sulphide(s) from the sour gas to sweeten the gas and form a residual solution comprised of a sulphinated component and an alkanolamine component. The sulphinated component of the solution is substantially separated from the alkanolamine component of the solution by decanting.      Dithiazine and trithiane is crystallized out of the spent sulphinated component and removed from the process.      Aldehyde is added to the remaining alkanolamine component to form a sulphide reactive agent. The sulphide reactive agent is combined with make-up triazine to produce the treatment agent for contacting with the sour gas. The present invention also includes a system for completing the above steps comprising feed means for supplying the treatment agent, H2S reactor for contacting the sour gas with the treatment agent, a decanting vessel for separating the sulphinated component from the alkanolamine component, a crystallization unit for crystallization of the dithiazine and trithiane, an aldehyde reactor for adding the aldehyde to the alkanolamine component to form the sulphide reactive agent and a feed line to add the sulphide reactive agent to the treatment agent.
Patent CA-2114922-A1 (CA)
Inventor: SEJPKA JOHANN
IPC: C09K23/56
Filed: 1994-02-03
Abstract: The present invention relates to a process for the preparation of an organosilicon compound containing glycoside radicals, which comprises, in a first stage reacting a monosaccharide and/or oligosaccharide (1) with a compound (2) of the formula HO-(R2O)c-R4 (IV) in which R2 are each independently an alkylene radical, c is 1 and R4 is an alkenyl radical, in the presence of an acid and in a second stage neutralizing the acid and reacting the glycoside containing compound obtained in the first stage with an organosilicon compound (3) containing Si-bonded hydrogen, containing units of the formula (see formula II) in which R5 are each independently a hydrocarbon radical having 1 to 18 carbon atoms, d is 0, 1, 2 or 3 and e is 0, 1, 2 or 3, in the presence of a hydrosilation catalyst, with the proviso that the sum of d + e is less than or equal to 3 and the organosilicon compound comprising unit of the formula (V) contains at least one Si-bonded hydrogen atom per molecule.
Patent CA-2117180-A1 (CA)
Title: Powdery hydrophobic filler for bituminized traffic surfaces
Inventor: ANNEMAIER DIETER
IPC: E01C7/18
Filed: 1992-08-28
Abstract: Abstract of the Disclosure The invention concerns a powdery, hydrophobic filler for bituminized traffic surfaces, including at least one substance that lowers the freezing point of water.
Patent CA-2119670-A1 (CA)
Title: Chiral resolution of an intermediate in diltiazem synthesis using lipase
Inventor: KANERVA LIISA
IPC: C12P11/00
Filed: 1994-03-23
Abstract: ABSTRACT            A process for the manufacture of (2S,3S)-threo-stereoisomer of a compound of formula 1 and (2R,3R)-threo-stereoisomer of a compound of formula 2 is disclosed.                            1               2 In the above formulae X represents NO2, NH2, NHCOCH3, NHCOCF3, NHCO2CH3, NHCO2(CH3)3 or NHCHO and R1 and R represent an alkyl group.  The process comprises acylating a racemic mixture of (2S,3S)-threo and (2R,3R)-threo steroisomers of the compound of formula 1 with an acylating agent, in an anhydrous organic solvent and in the presence of a lipase and separating stereoisomers of compounds of formulae 1 and 2 so obtained.  The unacylated (2S,3S)-enantiomer is useful for the manufacture of (2S,3S)-cis-diltiazem.
Patent CA-2124652-A1 (CA)
Inventor: SMITH JEREMY P
IPC: B65D83/14
Filed: 1994-05-30
Abstract: An aerosol valve has a body with a circular side wall extending down beyond the floor of the body to define a socket. Into this socket is frictionally engaged a symmetrical appendage having a circular upper end and a tailpiece at its lower end. The body is vertically partitioned into a primary product passage communicating from the tailpiece upward through an opening in the floor of the main valve.  On the other side of the partition the lower end of the chamber is provided with a valve seat with an opening communicating with the primary passage.  A side opening is formed through the appendage above the valve seat, and a ball is adapted to seat on the valve seat when the container is in normal position.  When the container is inverted, the ball drops away from the seat and permits passage of product through the side opening, through the valve seat opening into the primary passage and up into the valve for discharge.
Patent CA-2128904-A1 (CA)
Title: Hydrotone
Inventor: ALLEN WINSTON
IPC: E03C1/08
Filed: 1993-01-27
Abstract: A hydro-therapy apparatus (10) with a hollow housing member (12) having a cylindrical inner chamber effective for passing a flow of pressurized water from a first end of the hollow housing member to a second end. A valve (24) is provided in the cylindrical inner chamber and a user-operable switch allows a user to selectively control the flow of water to provide a single pulsatable stream of pressurized water. The flow of pressurized water is selectively diverted from the water supply source to a showerhead and the hex, which is effective to selectively regulate a flow rate of pressurized water through both the showerhead and the hollow housing member.      Also, the diameter of the single stream of water is controllably restricted.
Patent CA-2129562-A1 (CA)
Inventor: HARRIS ALVIN R
IPC: A61F13/10
Filed: 1994-08-05
Abstract: A multisection composite material useful in forming compression braces for orthopedic support of a body part includes a user contacting fabric section, an outermost fabric section formed from bonding two dissimilar fabrics and an intermediate section formed from a closed cell foam. The user contacting fabric section is a fabric having multidimensional stretch properties formed from hydrophobic fibers and bonded to a surface of the intermediate foam section. The outermost section includes a first fabric layer having multidimensional stretch properties formed from hydrophilic fibers and a second fabric layer having multidimensional stretch properties formed from hydrophobic fibers. The intermediate foam section has a first surface and a second surface and has a multiplicity of perforations therethrough from the first surface to the second surface. The foam has multidimensional elastic properties sufficient for providing compressive strain useful for supporting the body part. The first layer of the outermost section is bonded to the second surface of the intermediate section. Moisture emitted from a user's skin passes through the hydrophobic user contacting section to the intermediate section whereupon it passes through the perforations and is spread by the hydrophilic first fabric layer. The spreading of the emitted moisture by the hydrophilic layer increases the surface area of the moisture thereby substantially increasing the rate of evaporation of the moisture through the hydrophobic second layer. The spreading of the moisture by the hydrophilic layer also improves user comfort by preventing wet spots on the outside surface fabric around the openings of the perforation. The invention includes compressive orthopedic support braces for the wrist, elbow, thigh, knee and ankle formed from the material of the invention in sizes suitable for users having different physical stature. Orthopedic support braces formed from the composite material of the present invention provide the support advantages of foam braces with the comfort of elasticized knit braces.
Patent CA-2132993-A1 (CA)
Title: Physiologically Active Substance
Inventor: KONISHI JIN-EMON
IPC: A61K35/12
Filed: 1994-09-27
Abstract: A novel physiologically active substance exhibiting a plasma kallikrein production inhibiting action, peripheral blood flow improving action and analgesic, antiinflammatory and antiallergic actions is offered. The physiologically active substance of the present invention is prepared by activating various animals or animal tissues by means of inoculating virus or tumor cells which act as a stressor and then by extracting the effective factor from the activated tissues. The invention relates to a substance which exhibits a pharmacological action of inhibiting an activity for the plasma kallikrein production and recovers and normalizes the abnormal function which is resulted in the diseased state.     The physiologically active substance of the present invention exhibiting an excellent regulating activity for biofunctions has an action of recovering and normalizing the abnormal function of the living organisms in various diseased states and is quite useful as a pharmaceutical such as a peripheral blood flow improving agent, analgesic agent, antiinflammatory agent and antiallergic agent.
Patent CA-2136424-A1 (CA)
Title: Culture device for sampling and/or counting micro-organism
Inventor: CHONG SUE KHENG
IPC: C12M1/22
Filed: 1993-05-24
Abstract: The invention provides a culture device comprising a body of culture medium (20) and supporting means for maintaining the integrity of the body of culture medium, the culture medium providing a surface (6) having a defined endless boundary or perimeter, the body of culture medium protruding from and the culturing surface being spaced from any aforesaid means disposed externally of the body of culture medium. The supporting means may include an anchor internal of the culture medium and a base external to the culture medium. Apparatus for use in preparing the culture device and methods of preparing the culture device are disclosed.
Patent CA-2137383-A1 (CA)
Title: A switching arrangement for handling wireless terminals with switch features for handling wired terminals
Inventor: GRIFFITH GARY L
IPC: H04M3/42
Filed: 1994-12-06
Abstract: A switch arrangement that employs features which already exist in the switch to otherwise realize capabilities for wired terminals employing the same features to realize capabilities for wireless terminals. In particular, one capability that is necessary for wireless operations is the ability to track the terminals as they roam anywhere within the permissible area. This capability is achieved herein through the "registration" feature of the switch that is designed to handle wired terminals. Tracking is achieved with this feature by causing all wired terminals to send a similar information string, at regular intervals. As the wireless terminal roams, it is acquired by different base stations that are connected to different line ports of the switch and the base stations, effectively, inform the switch of the wireless terminal's wherabouts. Tracking across different switches is also achieved through the registration feature.
Patent CA-2138836-A1 (CA)
Title: Speed sensing for the third harmonic stator voltage signal
Inventor: MOREIRA JULIO C
IPC: H02P6/06
Filed: 1994-12-22
Abstract: ABSTRACT OF THE DISCLOSURE      A method and system for sensing the rotor speed of a brushless permanent magnet motor wherein a signal containing isolated third harmonic components of the flux density is acquired,  and the absolute values of the maximas of the signal are measured, the last measured absolute maxima representing the current rotor speed of the motor.
Patent CA-2140845-A1 (CA)
Inventor: DOBSON JAMES W JR
IPC: C09K8/74
Filed: 1995-01-23
Abstract: The invention provides alkaline water base well drilling and servicing fluids which deposit an easily degradable and removable filter cake on the sides of a borehole during well drilling and servicing operations. The fluids contain one or more polysaccharide polymers, sized bridging particles, and a peroxide selected from the group consisting of alkaline earth metal peroxides, zinc peroxide, and mixtures thereof. The fluids deposit a filter cake containing the peroxide. The invention also provides processes for enhancing the removal of the filter cake which comprises depositing a peroxide-containing filter cake on the sides of the borehole, or on the filter cake already present on the sides of the borehole, and thereafter contacting the peroxide-containing filter cake with an acidic solution to activate the peroxide which thereafter degrades the polysaccharide polymers in the filter cake. Preferably the filter cake containing the degraded polymer is washed with a fluid in which the bridging particles are soluble to remove the entire filter cake(s) from the sides of the borehole.
Patent CA-2141478-A1 (CA)
Title: Recloseable modified atmosphere clamshell package
Inventor: WYSLOTSKY IHOR
IPC: B65D1/26
Filed: 1995-01-31
Abstract: The recloseable clamshell package of the invention includes a container portion and a lid portion. The lid portion has a lip portion which is congruently shaped with the container lip portion for mating engagement therewith in order to form a closed package. The lid portion includes corner portions which are congruently shaped with the container portions for mating engagement therewith.
Patent CA-2142762-A1 (CA)
Title: Maximum likelihood decoder and decoding method
Inventor: KIMURA TOMOHIRO
IPC: H03M13/41
Filed: 1995-02-17
Abstract: A signal vector sequence corresponding to one block which is inputted in continuous n symbol sections is held in a vector sequence holding portion 11.  A virtual information generating portion 12 and a coding portion 13 successively generate, with respect to N paths which can exist in the one block, corresponding virtual code vector sequences.  A metric operating portion 14 inputs the signal vector sequence held in the vector sequence holding portion 11 and each of the virtual code vector sequences applied from the coding portion 13 to operate respective metrics of the N paths.  A metric comparing portion 16 and a metric holding portion 15 judge a maximum likelihood path having the minimum metric on the basis of the respective metrics operated by the metric operating portion 14.  When processing of the N paths is terminated, an information holding portion 17 acquires from the virtual information generating portion 12 information before the coding on the virtual code vector sequence corresponding to the maximum likelihood path and outputs the information as the result of the decoding.  In operating the respective metrics of the N paths which can exist in one block, the metric operating portion 14 finds a metric value in a state where the terms of the square of the magnitude of a signal vector are previously subtracted from each of operation expressions.  Consequently, the operation processing is simplified, and the circuit arrangement is simplified.
Patent CA-2142907-A1 (CA)
Title: Patient fluid collection system
Inventor: COOK CHARLES
IPC: A61M1/00
Filed: 1994-06-28
Abstract: A patient fluid collection system is disclosed which includes a fluid collection reservoir (48), a cover (62) for the reservoir and a liner (60) within the reservoir comprising an enlargeable or expandable wall portion such that the wall portion (64) may expand if the liner fills with fluid. An anti-reflux system is also disclosed as well as a new tandem tube and a new connector.
Patent CA-2145369-A1 (CA)
Title: Apparatus for the adhesive binding of printed products
Inventor: REIST WALTER
IPC: B42C1/00
Filed: 1995-03-23
Abstract: An apparatus for the adhesive binding includes a plurality of receiving parts which are arranged one behind the other in a circulation direction. A printed product is introduced at a feed location in each receiving part. The receiving parts are driven continuously in the circulation direction, and the printed products are machined upon being transported past a plurality of machining stations.      The machining stations necessary for the adhesive binding are arranged one behind the other. The adhesively bound finished products are removed, in a discharge region, from the receiving parts in order to be further transported.
Patent CA-2146909-A1 (CA)
Title: Gas operated fireplace assembly
Inventor: JAMIESON DONALD R
IPC: F24B1/18
Filed: 1995-04-12
Abstract: Improved Gas Operated Fireplace Assembly Abstract of the Disclosure A gas operated fireplace assembly is comprised of a plurality of modular components, including a casing, firebox burner module and combustion air-intake module. The casing has an open front and is positionable in an enclosure adjacent a room with the open front facing the room. The firebox is insertable into the casing through the open front thereof and is removably mounted within the casing such that the firebox is removable therefrom without having to remove the casing from the enclosure. The casing can be installed separate from the other modules (e.g., during the "rough-in" phase of construction) and the other modules installed at a later time. Both the casing and firebox have respective top panels which are sloped at approximately 25° to accommodate both a vertical and a horizontal flue configuration while maintaining the front-to-back depth of the fireplace assembly within acceptable limits. The air-intake module includes an air-intake manifold removably mountable within the casing in fluid communication with an external combustion air source and a plurality of cylindrical tubes communicating between the manifold and the firebox for introducing combustion air into the firebox. Both the manifold and cubes are located in an air wipe between the firebox and casing. The individual fireplace modules may be assembled into a unitary fireplace at a manufacturing facility and shipped to an installation site. Alternatively, the modules may be shipped as a kit and assembled at the installation site.
Patent CA-2151164-A1 (CA)
Inventor: VENIEZ PETER D
IPC: H02K53/00
Filed: 1995-06-07
Abstract: The entire system is based on the use of a AC,DC electrical motor, or 1- motors furnishing energy to a generator which comes back and- supplies 2- system. Thus producing a self-sufficient electrical power system.