baber/WOPTO huggingface dataset:
Patent CA-2074663-C (CA)
Title: Steam purity monitor
Inventor: BELLOWS JAMES CHRISTOPHER
IPC: F01D17/08
Filed: 1992-07-24
Granted: 2003-05-20
Abstract: A steam purity monitor (10) detects the presence of sodium hydroxide and sodium chloride in a steam turbine (12). In the steam purity monitor (10), a control unit (18) is connected to a sensor unit (14) in the steam turbine (12) which has a conductance sensor (30), pressure sensor (34) and temperature sensor (32) to measure conductance, pressure and temperature in the steam turbine (12).      A heating coil (40) is further provided to vary the temperature of the sensor unit (14). If conductance is detected by the conductance sensor (30), then the temperature is obtained from the temperature sensor (32) and compared by the control unit (18) to a saturation temperature calculated based on pressure readings from the pressure (34). If the temperature exceeds the saturation temperature by a predetermined amount, the control unit (18) indicates the presence of sodium hydroxide on a display unit (29). However, if the temperature does not exceed the saturation temperature by the predetermined amount, then either sodium hydroxide or sodium chloride could be present. In this case, the steam purity monitor (10) is heated by the heating coil (40) to a predetermined superheat level at which only sodium hydroxide would exist in a liquid solution. After heating, if conductance is no longer detected by the conductance sensor (30), sodium chloride is indicated. If conductance continues to be detected after heating, then sodium hydroxide is indicated.
Patent CA-2078981-C (CA)
Inventor: YOSHIDA TADAO
IPC: G11B20/12
Filed: 1992-09-23
Granted: 2000-05-30
Abstract: There is disclosed a disk recording/reproducing apparatus in which a recording area for addition data is ensured in a reproduction or playback only area where recording data of the same data structure as that of a recording/reproducing area are recorded, thus making it possible to reproduce the addition data along with the recording data.      Compressed data obtained by implementing, by using an ATRAC encoder 13, data compression to successively inputted digital data is divided into clusters, and cluster connection sectors longer than an interleaving length are provided at the connection portions of respective clusters to implement interleaving processing to recording data to record them into a recording/reproducing,area of a magneto-optical disk 2, and to reproduce them by using an optical head 3. From a reproduction or playback only area of the magneto-optical disk 2, addition data are reproduced from sectors corresponding to the cluster connection sectors.
Patent CA-2079848-C (CA)
Inventor: LAWSON DAVID F
IPC: C08F36/00
Filed: 1992-10-05
Granted: 2004-03-30
Abstract: A terminally functionalized polymer is prepared by reacting a living polymer obtained by anionic polymerization of a diene monomer or mixture of a diene monomer and a vinyl aromatic hydrocarbon monomer with an aromatic nitrile compound.      Especially useful aromatic nitriles are the unsubstituted and substituted benzonitriles. The resultant terminally functionalized polymers have reduced hysteresis in the carbon black reinforced and cured state and can be utilized to form elastomer compositions for tire treads having reduced rolling resistance.
Patent CA-2080555-C (CA)
Title: Bis(phenyl)ethane derivatives
Inventor: NUSSBAUMER PETER
IPC: C07C65/24
Filed: 1992-10-14
Granted: 2003-12-30
Abstract: The invention concerns the compounds of formula I (see Formula I) wherein R1 and R2 independently are alkoxy, R3 is hydrogen or acyl and R4 is alkoxy. The compounds have potent antihyperproliferative/antiinflammatory and anticancer activity.
Patent CA-2084865-C (CA)
Title: Method of recovering caprolactam from mixed waste
Inventor: DAVIS EDWARD ALAN
IPC: C07D201/16
Filed: 1992-12-08
Granted: 1997-06-03
Abstract: A process for recovering caprolactam from waste containing both polycaprolactam and materials which are insoluble in acidic solvents for polycaprolactam includes agitating the waste in an acidic solvent capable of dissolving polycaprolactam without degrading the acid insoluble materials, separating the solution containing polycaprolactam from the acid insoluble materials, feeding the solution containing the polycaprolactam to a depolymerization reactor, without substantially precipitating the polycaprolactam and depolymerizing the polycaprolactam solution to obtain substantially pure caprolactam.
Patent CA-2085125-C (CA)
Title: Improvement to current generation and control systems for electrolytic processes
Inventor: RODRIGUEZ MARTINEZ DIONISIO
IPC: C25D11/22
Filed: 1991-12-20
Granted: 2003-12-02
Abstract: The improvements consist in using two autotransformers (1-2) connected in parallel to a same phase and provided with respective half-wave rectifiers (5-6) so that the rectifier (5) eliminates the negative half-waves of the autotransformer (1) and the rectifier (6) eliminates the positive half-waves of the autotransformer (2), so that at the input (7) of the tank (8) is obtained an alternating voltage, symmetric or asymmetric according to the needs of each case. Its positive and negative half-waves are indenpendently controllable through a microprocessor (11) which, ac-cording to a program established through a mathematic algorithm and the voltage existing at any time at the input (7) of the tank acts upon automatic regulators (4) of the autotransformer (1-2) and, in this case, upon the thyristors (5-6) which parti-cipate in the half-wave rectifiers, in order to control the conduction angles.
Patent CA-2086243-C (CA)
Title: Anticoagulant peptides
Inventor: KRSTENANSKY JOHN L
IPC: A61P7/02
Filed: 1991-06-28
Granted: 2001-10-02
Abstract: This invention relates to peptide analogs of the form-ula X-A1-A2-A3-A4-A5-A6-A7-A8-A9-A10-A11-A12-Y wherein X is an amino terminal residue selected from hydro-gen, one or two alkyl groups of from 1 to 6 carbon atoms, one or two acyl groups of from 2 to 10 car-bon atoms, carbobenzyloxy, H2NC(=NH)-, or a t-butyloxy carbonyl group; A1 is a band or is a peptide fragment containing from 1 to 11 residues of any ammo acid; A2 is a bond or is a group of the formula (see formula I) wherein Y2 = O, NR2', S, bond, Z2 = -SO3H, (see formula II), -COOR2", n is an integer of from 1 to 5 and wherein R2' and R2" are each independently an H or a (C1-C4)alkyl group; A3 is Phe, SubPhe, .beta.-(2- and 3-thienyl)alanine, .beta.-(2-and 3-furanyl)alanine, .beta.-(2-, 3- and 4-pyridyl)ala nine, .beta.-benzothienyl-2- and 3-yl)alanine, .beta.-(1-and 2-naphthyl)alanine, Tyr, Tyr(Me) and Trp; A4 is a bond or is a group of the formula (see formula III) wherein Y4 = bond O, NR4', S, Z4 = -SO3H, COOR4", (see formula IV), m is an integer of 1 to 5 and wherein R4' and R4" are each independently an H or a (C1-C4)-alkyl group; A5 is any amino acid; A6 is Tyr, Trp, Phe, Leu, Nle, Ile, Val, Cha or Pro; A7 is Pro, Ser, Ala or Thr; A8 is Tyr, tyr, Trp, trp, Phe, phe, Leu, leu, Nle, nle, Ile, ile, Va.l, val, Cha, cha, Pro or pro; A9 is any amino acid; A10 is any amino acid; A11, is Tyr, Trp, Phe, Leu, Nle, Ile, Val, Cha and Pro; A12 is a bond or is a peptide fragment containing from one to ten residues of any amino acid; and Y is a carboxy terminal residue selected from OH, C1-C6 alkoxy, amino, mono- or di-(C1-C4)alkyl substi-tuted amino, or benzylamino; or a pharmaceutically acceptable salt thereof, which are use-ful as anticoagulant agents.
Patent CA-2090592-C (CA)
Title: Battery pack
Inventor: MITSUI HIDERO
IPC: H01M50/50
Filed: 1993-02-26
Granted: 2005-02-01
Abstract: A battery pack having rechargeable secondary batteries housed in a battery casing. The battery pack includes hollow tubular-shaped anodic and cathodic terminals in a right upper void and in a left upper void, respectively, of the battery casing. The voids are produced by housing the cylindrical first and second secondary batteries in the battery casing. An anodic terminal connecting pin and a cathodic terminal connecting pin are provided on an external equipment for fitting in and connecting with the anodic terminal and the cathodic terminal, respectively. Since there is no necessity for providing a particular mounting space for the anodic and cathodic terminals, the battery pack may be reduced in size, while the battery pack may be reliably supported with respect to the external equipment in a manner free from wobbling or detachment from the external equipment.
Patent CA-2094479-C (CA)
Inventor: GIBBS SAM GAVIN
IPC: E21B47/00
Filed: 1993-04-20
Granted: 1997-01-14
Abstract: A method for monitoring a rod pumped well to detect various problems, i.e., fluid pound, rod parts, pump problems, high fluid levels, imbalance of the pumping unit, rate of production and others.  The method utilizes measurements made at the surface to calculate a downhole pump card.  The method utilizes the downhole pump card to detect the various pump problems and control the pumping unit.
Patent CA-2096636-C (CA)
Title: Methods of forming fibrous filtration face masks
Inventor: KRONZER JOSEPH P
IPC: D04H1/54
Filed: 1991-11-15
Granted: 2003-02-25
Abstract: Methods for forming fibrous-filtration-face-masks and shaping layers for the face masks are disclosed. The methods pro-duce masks and layers which have a substantially reduced ability to form surface fuzz after being exposed to a normal degree of abrasion. The methods involve cold molding a non-woven web of thermally bonding fibers. To further reduce surface fuzz crea-tion, a preskinning step may be employed. Also disclosed are fibrous filtration face masks that maintain low degrees of surface fuzz.
Patent CA-2102624-C (CA)
Inventor: KASLOW DAVID G
IPC: A61K39/00
Filed: 1992-05-07
Granted: 2006-09-26
Abstract: The present invention relates to transmission-blocking vaccines against malaria, vaccines of the present invention containing a recombinant Pfs25 Plasmodium falciparum protein produced by yeast cells, and to yeast cells producing the protein. Mice and monkeys inoculated with the yeast-expressed Pfs25 of the present invention have developed antibodies with  transmission-blocking activity. The present invention also relates to methods of preventing or treating malarial infections using the vaccines of the present invention.
Patent CA-2103288-C (CA)
Title: Detection of multiple articles
Inventor: MARSH MICHAEL JOHN CAMILLE
IPC: G01S13/75
Filed: 1993-11-17
Granted: 2004-08-17
Abstract: An identification system comprises an interrogator and a plurality of transponders. The interrogator includes a transmitter which transmits at least two independent interrogation signals to the transponders, and a receiver for receiving response signals from the transponders. The interrogator also includes processor means for identifying the transponders from data in the received response signals. Each transponder comprises receiving means, a code generator, and transmitter means connected to the code generator. On receipt off at least one of the transmitted interrogation signals the transponder transmits a response signal containing data which identifies it. The interrogation signals may be transmitted continuously or intermittently.      In a preferred embodiment, the interrogation signals are relatively narrow bandwidth signals at different frequencies. The receiving means of each transponder has a relatively broad reception bandwidth so that the transponder is responsive to one or more of the interrogation signals.
Patent CA-2111531-C (CA)
Inventor: BANERJEE KRISHNA G
IPC: C08F290/00
Filed: 1993-12-15
Granted: 1997-04-15
Abstract: Hydroxy-terminated telechelic rubber polymers and  block  copolymers  of  flexible  polymers  with unsaturated polyester resins improve the elongation and flexural elongation of in-mold coating compositions for fiber reinforced plastics (FRP).  An FRP in-mold coating composition based upon vinyl ester resin, ethylenically unsaturated monomers, and at least one of telechelic hydroxy  terminated  flexible  polymers  and the  block copolymers of functionally terminated flexible polymers with unsaturated polyester polymers are described.
Patent CA-2127462-C (CA)
Inventor: LOBB ROY R
IPC: A61K39/395
Filed: 1993-01-12
Granted: 1999-03-23
Abstract: L'invention décrit un procédé de traitement de l'asthme. Le procédé comprend l'administration d'un anticorps, d'un polypeptide ou d'une autre molécule reconnaissant VLA-4, protéine exprimée sur la surface de certains leucocytes, tels que des éosinophiles.
Patent CA-2127526-C (CA)
Inventor: KIMPTON PAUL T
IPC: C08F2/06
Filed: 1994-07-06
Granted: 1998-11-24
Abstract: A process for the polymerization of polymers of itaconic acid and vinyl acetate comprising the step of polymerizing (i)   from 10 to 95 mole percent of monomer units of the formula I:                         (see fig. I) wherein each of R1 and R2, which may be the same or different, represents a hydrogen atom, a methyl group or an ethyl group, and M is a hydrogen atom or an alkyl (C1 to C18) chain or an organic group such as an amino containing functionality;     (ii)  from 5 to 90 mole percent of monomer units of the formula II:            (see fig. II) wherein R3 represents a hydrogen atom or the group -COCH3; and (iii) from  0  to  45  mole  percent  of  a  ethylenically  unsaturated copolymerizable comonomer, said polymerization being carried out using semi-batch polymerization procedures at a temperature of 60 to 200°C in  the presence of  a  substantially anhydrous  alcoholic solvent.
Patent CA-2128368-C (CA)
Title: Bearing structure used in a compressor
Inventor: KAWAGUCHI MASAHIRO
IPC: F04B27/10
Filed: 1994-07-19
Granted: 1999-04-06
Abstract: A compressor includes a rotary drive shaft having a first end and a second end, both the ends being rotatably supported by opposing walls of a crank chamber defined in a casing and a swash plate tiltably mounted on the drive shaft and operably coupled with a piston in a cylinder bore.  A rotation of the drive shaft results in a reciprocating movement of the piston for compressing refrigerant gas in a cylinder bore.  A rotary member is secured to the first end which extends outside the casing.  The rotary member supplies a power to the drive shaft from a power supply.  A support member, disposed between the rotary member and the first end, protrudes outward from the casing.  A first bearing, disposed between the support member and the rotary member, receives a thrust load and a radial load acting on the rotary member when the rotary member rotates.  A second bearing, disposed between the casing and the second end, receives the radial load acting on the rotary member when the rotary member rotates.
Patent CA-2128981-C (CA)
Title: Method of an apparatus for sputtering
Inventor: SHIMIZU JUNICHI
IPC: C23C14/08
Filed: 1994-07-27
Granted: 2004-12-14
Abstract: A sputtering method comprises applying a negative voltage intermittently in a constant periodic cycle to a cathode disposed in a vacuum chamber, wherein the negative voltage is intermittently applied so that a time during which the negative voltage is not applied includes a time during which the voltage is controlled to be zero volt in a range of from 10 µs to 10 ms, and the zero voltage time is equal to or longer than the time required by one arcing from its generation to extinction.
Patent CA-2130828-C (CA)
Title: Non-azo naphthalimide dyes and uses for same
Inventor: LEWIS DAVID E
IPC: C12N7/04
Filed: 1993-03-18
Granted: 2007-06-12
Abstract: A class of predominantly hydrophobic monomeric or dimeric non-azo N-substituted 1,8-naphthalimide compounds, each bearing, at its 3-position, a nucleofuge and, at its 4-position, a heteroatomic electron-releasing group. A preferred embodiment is a "monomeric" non-azo N-substituted-l,8-naphthalimide compound bearing, at a 3-position, a nucleofuge and, at a 4-position, a heteroatomic electron-releasing group, which is being characterized as having a heteroatom directly linked to the 4-position and having at least one hydrogen directly attached to the heteroatom. An additional embodiment is a predominantly hydrophobic "dimeric" non-azo bis-naphthalimide compound, having at least two 1,8-naphthalimide moieties each bearing, at a 3-positon, a nucleofuge and, at a 4-position, a heteroatomic electron-releasing group which is being characterized as having a heteroatom directly linked to the 4-position and having at least one hydrogen directly attached to the heteroatom. The bis-naphthalimide compound is further characterized as giving an activated derivative after being activated by a sufficient amount of activating agent in an environment independent of the presence or absence of oxygen. The activated species initiate chemical changes in lipid bilayer membranes of viruses and other target cells. These changes can eradicate viruses and other target cells. The activated species can also cause structural changes in lipid and any associated proteins and polypeptides at a level beneath the surface of the membrane, leading to polymerization and crosslinking.
Patent CA-2131022-C (CA)
Title: Refractory/heat insulating panels
Inventor: ISHIKAWA TAKASHI
IPC: E04F13/12
Filed: 1993-06-15
Granted: 1996-09-10
Abstract: A refractory heat-insulating panel used for a building and a structure which demand excellent fire-resisting perfor-mance. In a refractory heat-insulating panel (801), inorganic boards (831) are formed in and unitarily with male and female joint portions (832, 836) thereof, or light aggregate is closely packed in core members of the male and female joint portions, in such a manner that the density of the core members of the joint portions becomes higher than that of the core member of an intermediate portion of the panel, whereby the strength and refractory characteristics of, especially, the joint portions, which constitute the weak spots of the panel, are improved. A nonwoven cloth is inserted between a front surface member (802), a rear surface member (822) and a core member (829), or the surfaces of the front and rear surface members which are on the side of the core member are embossed, or a slate foam layer or a polyurethane foam layer is provided in the core member, or wood reinforcing members or tubular members are buried in the core member, to improve the adhesion of the core member, front surface member and rear surface member, the strenght and fire-resisting characteristics of the panel as a whole as well as the strength and fire-resisting characteristics of the joint portions thereof.
Patent CA-2133223-C (CA)
Title: Apparatus for transmission path delay measurements using adap tive demodulation
Inventor: CHRISTIAN PAUL R
IPC: H04W92/00
Filed: 1994-01-18
Granted: 1999-09-21
Abstract: A simulcast transmission system (100) utilizes adaptive demodulation to provide an apparatus for automatic delay equalization measurements.  The simulcast transmission system (100) comprises a control station (101), and a plurality of remote stations (201, 301) capable of re-transmitting a received delay equalization measurement signal which includes at least a correction bit pattern signal followed by a synchronization pattern signal.  A receiver (151, 191) receives the re-transmitted delay equalization measurement signal, correlates the received signal to obtain a coarse time of reception, and analyzes the received correction bit pattern signal to derive a fine reception time correction factor.
Patent CA-2135379-C (CA)
Inventor: DUBACH WERNER FRITZ
IPC: E05D1/02
Filed: 1994-03-08
Granted: 2002-02-26
Abstract: Disclosed is an integral plastic hinged snap closure having a lower part and an upper part connected with respect to each other with an integral joint, wherein the lower part has a lower jacket wall, the lower jacket wall having a lower thinned area of reduced wall thickness, and a lower pivot axis oriented longitudinally along the lower thinned area. The upper part has an upper jacket wall, the upper jacket wall having an upper thinned area of reduced wall thickness, and an upper pivot axis oriented longitudinally along the upper thinned area. The closure has a compression-resistant flip element positioned between the lower pivot axis and the upper pivot axis. Two snap elements are provided; one of the snap elements positioned on one side of the compression-resistant flip element and another of the snap elements positioned on an opposite side of the compression-resistant flip element, each of the snap elements comprising the lower thinned area continuing within the lower jacket wall away from the lower pivot axis and the upper thinned area continuing within the upper jacket wall away from the upper pivot axis, and in a direction away from the lower pivot axis and the upper pivot axis, such that the continued lower thinned area and the continued upper thinned area are diverging with respect to each other.
Patent CA-2138540-C (CA)
Inventor: SUTHERLAND ROBERT L
IPC: B65D5/02
Filed: 1994-05-09
Granted: 2004-11-23
Abstract: A wrap-around carrier (10) with end panel flaps (28) that automatically close when the bottom panel flaps (42, 44) are set up for locking engagement.    The end panel flaps (28) are foldably connected to the side panels (18) and to gusset panels (62) which are also foldably connected to a bottom panel flap. Upon folding the gusset panels (62) into engagement with the adjacent bottom panel flap, the end panel flaps are folded into closed position. The folded gusset panels are located between the bottoms of the packaged articles (B) and the bottom panel, thereby locking the end panel flaps in closed position.
Patent CA-2145275-C (CA)
Title: Imaging apparatus and method of fiber analysis
Inventor: OLSON JAMES A
IPC: G01N15/00
Filed: 1993-09-29
Granted: 1997-09-23
Abstract: A method and apparatus for positioning, aligning and orienting fibers in flowing fluids, to permit fibers such as wood pulp fibers to be accurately imaged and rapidly measured with little operator involvement, utilizing a plugging resistant and fouling resistant sheath flow cell (10), is described. An embodiment is disclosed which simultaneously determines the distributions of shape (curl) and length of samples of wood pulp fibers. Fibers are transported in a dilute water suspension through a sheath flow cell (10) that orients fibers normal to an imaging system that includes a two-dimensional CCD video camera. Images of fibers are analyzed rapidly by a processor (57), which calculates the shape and length of individual fibers. The data are displayed on a cathode ray tube screen while a pulp sample is being analyzed, and are stored in processor memory for further analysis.
Patent CA-2150990-C (CA)
Inventor: DAVIS JAMES A
IPC: C08L23/16
Filed: 1995-06-05
Granted: 2006-08-15
Abstract: Vulcanizable elastomeric roof sheet materials for roofing having improved burn resistivity and prepared from a polymeric composition of matter comprise at least one polymer selected from the group consisting of polyolefins prepared from monomers containing at least two carbon atoms and mixtures thereof, the polymer having a crystallinity of up to about 2 percent by weight; about 20 to 125 parts by weight of one or more non-black mineral fillers per 100 parts of the polymer, about 50 to 110 parts by weight of one or more black-type fillers per 100 parts of the polymer; and from about 50 to 70 parts by weight of a processing material or softener per 100 parts of the polymer. A method of covering a roof comprises the steps of applying sheets of vulcanizable elastomeric roof sheet material prepared from a vulcanizable polymeric composition of matter, to the roof being covered; overlapping adjacent edges of the roof sheet material; and adhesively seaming the overlapped layers of the roof sheet material together to form a continuous elastomeric roofing membrane. The composition of matter is devoid of any flame retardant rubber chemical additives, heavy metals and halogen-containing polymers and possess improved burn resistivity.