| Patent Number |
Title Of Patent |
Date Issued |
| 5238815 |
Enzymatic immunoassay involving detecting fluorescence while oscillating magnetic beads |
August 24, 1993 |
| Enzymatic immunoassay for estimating the concentration of antigen or antibody comprising bringing an antigen-antibody complex, which is labelled by an enzyme and is present heterogeneously in a solution, into contact with a substrate where pH of the solution is so adjusted as to be s |
| 5223376 |
Method for producing fine patterns utilizing specific polymeric diazonium salt, or diazonium sal |
June 29, 1993 |
| A method for producing fine patterns is disclosed, comprising spin-coating a photosensitive resin solution as an upper layer, which comprises a diazonium salt as a photobleachable agent, water and/or an organic solvent, and a polymer, on a photoresist layer as a lower layer and then |
| 5204255 |
Hybrid tissue plasminogen activator/urokinase polypeptides |
April 20, 1993 |
| A hybrid plasminogen activator-like polypeptide comprising a polypeptide region responsible for an affinity to fibrin derived from a tissue plasminogen activator polypeptide and a polypeptide region responsible for an enzyme activity derived from a prourokinase polypeptide; a DNA segment |
| 5200270 |
Carrier for a biologically active component for immunoassay or enzymatic reaction |
April 6, 1993 |
| A carrier for a biologically active component for immunoassay or enzymatic reaction, which comprises:a) a thermoplastic resin bead having an average diameter of from 0.05 to 20 mm,b) from 1 to 25% by weight, based on the bead, of a magnetically responsive powder bonded to the bead, andc) |
| 5118769 |
Manufacturing method of polyolefin |
June 2, 1992 |
| A manufacturing method of polyolefin is disclosed wherein the catalyst used for the polymerization of .alpha.-olefins at a temperature lower than the melting point of polymer in the presence of said Ziegler type catalyst and hydrogen comprises of(A) solid catalyst ingredient (A) obtained |
| 5055408 |
Automated immunoassay analyser |
October 8, 1991 |
| An automated immunoassay analyzser comprising a transfer route on which test plates each having a plurality of chambers for immunological reaction opened upwards are transferred continually with a constant interval of time, and devices of at least A, B, C and D described below which are |
| 5015526 |
Radiation-resistant high molecular composition |
May 14, 1991 |
| A radiation-resistant high molecular composition is disclosed, charqacterized in that, to the high molecular polymer, a halogenated acenaphtylene and/or condensates thereof represented by a following general formula [I] ##STR1## (wherein, X indicates a chlorine or bromine atom, a |
| 5004546 |
Process for measuring stable-type glycated hemoglobin in a sample |
April 2, 1991 |
| A process for measuring the amount of stable-type glycated hemoglobin in a sample using high performance liquid chromatography, comprising heating a sample diluted with a hemolysis agent containing a reagent for the removal of unstable-type glycated hemoglobin to achieve the removal of t |
| 4970157 |
Isolated phenylalanine dehydrogenase gene and process for production of phenylalanine dehydrogen |
November 13, 1990 |
| An isolated gene coding for phenylalanine dehydrogenase of a microorganism belonging to a genus selected from the group consisting of the genera Bacillus and Sporosarcina origin; plasmids containing the gene; microorganism transformed with the plasmid, a process for the production of |
| 4925613 |
Process for preparation of synthetic faujasite molded body |
May 15, 1990 |
| A synthetic faujasite molded body having high purity and high crystallinity is prepared with a good reproducibility by a process wherein a structure-inducing substance is incorporated in a starting material mixture comprising as main components a silica source, an alumina source, an |
| 4916081 |
Assay method and apparatus of immune reaction |
April 10, 1990 |
| An immunoassay method and apparatus includes the vibration of beads within a cell, the beads having a complex of a substance conjugated with an enzyme as a marker on the surface thereof, and using an optical measurement device to quantatively determine the amount of the marker in the |
| 4914247 |
Process for preparing para-substituted halogenobenzene derivatives |
April 3, 1990 |
| A para-substituted halogenobenzene derivative is prepared by halogenating a benzene derivative in the liquid phase in the presence of a molded zeolite catalyst body comprising, based on the weight of the molded zeolite catalyst body, 10 to 95% by weight of an L-type zeolite as the anhydr |
| 4909913 |
Method for recovering a metal |
March 20, 1990 |
| A method for producing a metal salt by electrolysis in an electrolytic cell comprising an anode compartment and a cathode compartment partitioned by a diaphragm, characterized by supplying to the cathode compartment an aqueous solution of a water-soluble metal compound, and electrolytica |
| 4906782 |
Process for preparation of alkyleneamines |
March 6, 1990 |
| Ammonia and/or an alkyleneamine is reacted with an alkanolamine by using a miobium-containing substance as a catalyst to obtain an alkyleneamine having an increased number of alkylene units. The niobium-containing substance has a high activity and a high heat resistance, and is not or |
| 4898998 |
Process for producing brominated acenaphthylene condensates |
February 6, 1990 |
| A process for producing brominated acenaphthylene condensates of the formula: ##STR1## wherein x is 1 or 2, y is an integer from 1 to 6 and n is 1 or more, from elementary units of the following formulas: ##STR2## wherein y is as defined above, comprising, (A) brominating the |
| 4897451 |
Chlorosulfonated polyethylene |
January 30, 1990 |
| A chlorosulfonated polyethylene is disclosed, having a bimodal molecular weight distribution and containing from 10 to 60 wt % chlorine and from 0.2 to 3.0 wt % sulfur. The chlorosulfonated polyethylene of the invention is less temperature-dependent in terms of viscosity and displays imp |
| 4879039 |
Process for measuring stable-type glycated hemoglobin in a sample |
November 7, 1989 |
| A process for measuring the amount of stable-type glycated hemoglobin in a sample using high performance liquid chromatography, comprising heating a sample diluted with a hemolysis agent containing a reagent for the removal of unstable-type glycated hemoglobin to achieve the removal of t |
| 4877498 |
Method for producing a metal salt by electrolysis |
October 31, 1989 |
| A method for producing a metal salt by electrolysis in an electrolytic cell comprising an anode compartment and a cathode compartment partitioned by a diaphragm, disposing in the anode compartment a metal anode soluble in the aqueous solution, and conducting electrolysis to dissolve the |
| 4871815 |
Method of making chlorosulfonated polyethylene |
October 3, 1989 |
| An excellent cold-proof chlorosulfonated polyethylene and a method of manufacturing the same featured in that a polyethylene is once dissolved in a solvent by heating up them over a dissolution temperature of the polyethylene, then cooled and thus obtained homogeneous solution of the |
| 4861571 |
Process for preparation of synthetic mordenite molded body |
August 29, 1989 |
| A synthetic mordenite molded body is prepared by a process wherein a starting mixture comprising, as the main components, a silica source, an alumina source, an alkali source and water is molded into a starting molded body, the molded body is calcined and the calcined molded body is |
| 4849560 |
Process for preparation of halogenated benzene derivatives |
July 18, 1989 |
| p-Substituted halogenated benzene derivatives are prepared at a high selectivity by halogenating benzene and/or benzene derivatives by using as a catalyst a zeolite modified with a metal salt. |
| 4845297 |
Process for producing polyamines |
July 4, 1989 |
| Process for producing polyamines by a catalytic reduction reaction of a cyanoethylated N-(2-aminoethyl)piperazine and cyanoethylated compounds of polyamines containing 4 or more amino groups in the molecule. |
| 4835301 |
Process for producing stable .alpha.-L-aspartyl-L-phenylalanine methyl ester |
May 30, 1989 |
| A process for producing stable .alpha.-L-aspartyl-L-phenylalanine methyl ester, which comprises heat-treating crystals of .alpha.-L-aspartyl-L-phenylalanine methyl ester having a water content of from 5 to 15% by weight based on wet crystals, at a temperature of higher than 50.degree |
| 4826935 |
Process for gas phase polymerization of vinyl chloride |
May 2, 1989 |
| A process for the gas phase polymerization of vinyl chloride, which comprises homopolymerizing monomeric vinyl chloride or copolymerizing monomeric vinyl chloride with a monomer copolymerizable therewith in the gas phase at a polymerization temperature of 55.degree. C. to 65.degree. |
| 4822721 |
A method of image-wise exposing and developing halogen-containing polyacrylate derivatives |
April 18, 1989 |
| Halogen-containing polyacrylate derivatives having the formula: ##STR1## wherein A is a structural unit derived from a copolymeriazable monomer having a double bond; R is ##STR2## wherein each of R.sub.1 and R.sub.2 is a hydrogen atom or a fluorinated methyl group, provided R |
| 4818809 |
Aromatic sulfide amide polymer and a process for the production thereof |
April 4, 1989 |
| Aromatic sulfide amide polymers composed of a repeating unit having the formula (I) and a repeating unit having the formula (II) below, having an inherent viscosity ranging from 0.02 to 10 dl/g. ##STR1## wherein, Ar.sup.1, Ar.sup.2, Ar.sup.3 and Ar.sup.4 are same or different aro |
| 4816408 |
Nozzle device in an apparatus for biochemical reactions |
March 28, 1989 |
| A nozzle device in an apparatus for biochemical reaction, including a biochemical reaction chamber, includes a nozzle having a tip and a porous filter fixed to the tip. The nozzle further includes an outer nozzle tube defining a first bore extending to the tip, a second bore extending |
| 4810818 |
Process for producing alpha-aspartyl-l-phenylalanine methyl ester having an improved solubility |
March 7, 1989 |
| A process for producing dry .alpha.-L-aspartyl-L-phenylalanine methyl ester having an improved solubility from wet crystals of .alpha.-L-aspartyl-L-phenylalanine methyl ester having a water content of at least 20% by weight, which comprises drying the wet crystals at a temperature of |
| 4810659 |
Process for injecting a minute volume of a solution and an apparatus therefor |
March 7, 1989 |
| Process for injecting a minute volume of a solution from a nozzle device by positive pressure applied from a source of compressed air with or without positive pressure applied in parallel from a cylinder device, comprising applying the positive pressure from the compressed air source at |
| 4808540 |
Method for chromatographical analysis of anions |
February 28, 1989 |
| Anions in an aqueous solution can be quantitatively measured at a high sensitivity while controlling the electroconductivity possessed by an eluant to a low level, by the chromatographical analyzing method wherein a separating column, a cation exchange column and an electroconductivity |
| 4794088 |
Method and apparatus for separating and analyzing using liquid chromatography |
December 27, 1988 |
| A method and apparatus for separating and analyzing using liquid chromatography, wherein an eluate from a chromatographic column is treated by dialysis using an amphoteric ion exchange membrane. |
| 4785677 |
Pipetting device having an automatic mechanism for replacing nozzle tips |
November 22, 1988 |
| A pipetting device is formed of a supporting frame, a slider mounted on the supporting frame for vertical movement, a plunger type stem having a lower end fittable within the upper end of an approximately inverted cone shaped nozzle tip, the stem being mounted for vertical movement on th |
| 4774041 |
High-strength zirconia type sintered body and process for preparation thereof |
September 27, 1988 |
| A zirconia type sintered body consisting essentially of 50 to 98% by weight of zirconia (ZrO.sub.2) containing 1.5 to 5 mole % of yttria (Y.sub.2 O.sub.3) and 50 to 2% by weight of alumina (Al.sub.2 O.sub.3), spinal (MgAl.sub.2 O.sub.4) or mullite (3Al.sub.2 O.sub.3.2SiO.sub.2), and havi |
| 4769486 |
Method for racemizing an optically active amino acid |
September 6, 1988 |
| A method for racemizing an optically active amino acid, which comprises heating the optically active amino acid in an aqueous solution under an alkaline condition in the presence of an alkali metal salt. |
| 4769145 |
Centrifugal ultrafilter unit for ultrafiltration of biochemical solutions |
September 6, 1988 |
| A separator (1; 51) including a solution reservoir (3; 53) having a solution chamber (3a; 53a) for putting therein a solution, a membrane support base (4; 54) joined to the solution reservoir, an ultrafiltration-oriented filtering membrane (5; 55) held between the solution reservoir |
| 4765905 |
Method for recovering acids from an aqueous solution of the acids and metal salts by means of a |
August 23, 1988 |
| A method for recovering acids from an aqueous solution of a mixture of the acids and metal salts by dialysis, characterized in that a fluorinated anion exchange membrane made of a copolymer having repeating units of the formula: ##STR1## wherein X is F or CF.sub.3, l is an intege |
| 4760211 |
Process for producing brominated acenaphthylene and its condensates |
July 26, 1988 |
| A process for recovering brominated acenaphthylene and its condensate in the form of powder, comprising dropping a solution of brominated acenaphthylene and its condensate produced from acenaphthene by reactions of bromination, condensation and dehydrobromination into hot water conta |
| 4758541 |
Zirconia sintered body of improved light transmittance |
July 19, 1988 |
| A zirconia sintered body comprising zirconia (ZrO.sub.2), yttria (Y.sub.2 O.sub.3) and titania (TiO.sub.2) [Y.sub.2 O.sub.3 /ZrO.sub.2 =at least 2/98 by mole and TiO.sub.2 /(ZrO.sub.2 +Y.sub.2 O.sub.3)=3/97 to 20/80 by mole] has a high translucence giving improved light transmittance. A |
| 4755293 |
High density filler type filtration equipment |
July 5, 1988 |
| An elongate cylindrical column body has a flange at an open end and an annular extension extending beyond the flange in a direction of the length of the column body. The cover has a seal ring fitted therein for supporting a partition member. The seal ring is sized and shaped so that |
| 4753658 |
Erasable ink: sulphonated rubber dyed with basic dye and dissolved in organic solvent |
June 28, 1988 |
| Disclosed is a coloring material including a rubber having a sulfonic acid group or a salt thereof, which is dyed with a basic dye. The coloring material is prepared by adding a solution of an alkali in an alcohol to a solution of a chlorosulfonated polyolefin in an organic solvent and t |
| 4752635 |
Halogen-containing polyacrylate derivatives |
June 21, 1988 |
| A halogen-containing polyacrylate derivative having the formula: ##STR1## wherein A is a structural unit derived from a copolymerizable monomer having a double bond; R is ##STR2## wherein each of R.sub.1 and R.sub.2 is a hydrogen atom or a fluorinated methyl group, provided R |
| 4748013 |
Adsorbent for recovery of bromine and bromine-recovering process using same |
May 31, 1988 |
| Bromine is advantageously recovered from a free bromine-containing aqueous solution or gas by placing the solution or gas in contact with an adsorbent comprising a ZSM-5 zeolite having an SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of at least 70 and heating the adsorbent at a temperature of |
| 4746359 |
Hydroxyacetic acid amide derivatives, and herbicidal compositions containing them |
May 24, 1988 |
| A hydroxyacetic acid amide derivative having the formula: ##STR1## wherein each of R and R.sub.1 which may be the same or different, is an alkyl, alkenyl, alkynyl or alkoxyalkyl group having from 1 to 4 carbon atoms, provided that R and R.sub.1 are not simultaneously alkyl groups. |
| 4745095 |
Process for preparation of hydrogen-ion-exchanged dealuminated mordenite |
May 17, 1988 |
| Hydrogen ion-exchanged dealuminated mordenite having a reduced alumina content is advantageously prepared by filtering a crystallization slurry composed of a crystallization mother liquor and synthetic sodium type mordenite and obtained when the crystallization is completed, through a |
| 4740571 |
Process for gas phase polymerization of vinyl chloride |
April 26, 1988 |
| A process for the gas phase homopolymerization of vinyl chloride or the gas phase copolymerization of vinyl chloride with a monomer copolymerizable therewith, wherein when the breeding ratio first exceeds 3.5 after initiation of the polymerization, the feed rate of a seed polymer is |
| 4740549 |
Ink composition for writing board |
April 26, 1988 |
| Disclosed is a wipe-erasable ink composition for a writing board, which has good erasability and long-period stability. This ink composition comprises a colored polymer formed by dyeing an organic solvent-soluble resin having a sulfonic acid group or a salt thereof with a basic dye, a vo |
| 4734137 |
Process for preparation of organic pigments |
March 29, 1988 |
| Organic pigments are prepared by dissolving at least one organic pigment in a non-protonic polar solvent in the presence of a caustic alkali and water, and adding to the solution an acid having an acrylic resin dissolved therein to effect neutralization and reprecipitation. |
| 4731493 |
Process for producing condensed bromoacenaphthylene |
March 15, 1988 |
| Process for producing condensed bromoacenaphthylene comprising:(A) a step of brominating and condensating acenaphthene with bromine in a halogenated hydrocarbon solvent in the presence of a Lewis acid catalyst;(B) a step of removing the Lewis acid catalyst and then continuing the bromination |
| 4728500 |
Stirrer for biochemical reactions |
March 1, 1988 |
| A stirrer for biochemical reactions comprising a magnetically permeable vessel for containing a solution of biochemically reacting substances, at least one magnetic bead placed in the vessel, and a magnetic device which is installed outside the vessel and generates an oscillating magneti |
| 4727034 |
Method for chromatographic analysis |
February 23, 1988 |
| In chromatographic analysis by the steps of adding a sample solution to a flow of an eluant, passing the eluant flow through a separation column thereby converting the eluant flow into an eluate flow containing component ions of the eluant flow in separate zones, passing the eluate f |
