Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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| Number | Title | Issue Date |
| 5223376 | Method for producing fine patterns utilizing specific polymeric diazonium salt, or diazonium salt/sulfone group containing polymer, as photobleachable agent 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 lay... | 06/29/1993 |
| 4897451 | Chlorosulfonated polyethylene 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 te... | 01/30/1990 |
| 4861571 | Process for preparation of synthetic mordenite molded body 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... | 08/29/1989 |
| 4835301 | Process for producing stable -L-aspartyl-L-phenylalanine methyl ester A process for producing stable -L-aspartyl-L-phenylalanine methyl ester, which comprises heat-treating crystals of -L-aspartyl-L-phenylalanine methyl ester having a water content of from 5 to 15% by weight based on wet crystals, at a tempera... | 05/30/1989 |
| 4835303 | Process for producing dry -L-aspartyl-L-phenylalanine methyl ester A process for producing dry -L-aspartyl-L-phenylalanine methyl ester, which comprises drying wet crystals of -L-aspartyl-L-phenylalanine methyl ester by means of an air having an absolute humidity of at least 0.015 kg/kg or at most 0.01 kg/k... | 05/30/1989 |
| 4831180 | Process for producing alpha-L-aspartyl-L-phenylalanine methyl ester having an improved solubility A process for producing dry -L-aspartyl-L-phenylalanine methyl ester having an improved solubility by drying wet crystals of -L-aspartyl-L-phenylalanine methyl ester, characterized in that the wet crystals of -L-aspartyl-L-phenylalani... | 05/16/1989 |
| 4746359 | Hydroxyacetic acid amide derivatives, and herbicidal compositions containing them A hydroxyacetic acid amide derivative having the formula: ##STR1## wherein each of R and R1 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 R1... | 05/24/1988 |
| 4726930 | Apparatus for chromatographic analysis 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 separat... | 02/23/1988 |
| 4727034 | Method for chromatographic analysis 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 separat... | 02/23/1988 |
| 4695644 | Process for producing phenyl chlorothioformates Phenyl chlorothioformates are produced in high yields easily and safely by (1) allowing sulfur dioxide to react with a mixed solution consisting of perchloromethyl mercaptan, an organic solvent and water, (2) removing the aqueous layer from the reaction m... | 09/22/1987 |
| 4693796 | Method for manufacturing cation exchange membrane A cation exchange membrane manufacturing method in which a film of a blend which consists of a perfluoro carbon polymer having a group transformable into a sulfonic acid group and a perfluoro carbon polymer having a group transformable into a carboxylic a... | 09/15/1987 |
| 4690910 | Sintered product of zirconia and method of producing the same A sintered product of zirconia comprising ZrO2 and CeO2 in a molar ratio of CeO2 /ZrO2 of 8/92-30/70, and consisting of a crystal phase which is a mixed phase consisting essentially of a tetragonal phase and a c... | 09/01/1987 |
| 4663396 | Method for producing chlorosulfonated polyethylene with controlling addition amount of sulfur of the chlorosulfonated polyethylene A method for producing chlorosulfonated polyethylene with controlled addition of the amount of sulfur added to the polyethylene. Polyethylene dissolved in halogenated hydrocarbon is reacted with sulfuryl chloride in the presence of a catalyst of a radical... | 05/05/1987 |
| 4622112 | Process for preparing chlorinated polyvinyl aromatic compounds A process for the preparation of chlorinated polyvinyl aromatic compound is described, comprising the steps of: (1) in an aromatic organic solvent, forming a solution of an aromatic compound represented by formula (I): ##STR1## wherein each of R... | 11/11/1986 |
| 4604372 | Agglomerated article of modified zeolite A zeolite agglomerated article is provided, which is formed from a zeolite composition having incorporated therein at least one additive selected from alkaline earth metal oxides and hydroxides, alkaline earth metal aluminates and silicates and double sal... | 08/05/1986 |
| 4577004 | Process for producing a chloroprene polymer A chloroprene polymer is produced by aqueous emulsion polymerization in the presence of a cyclic polysulfide compound which is employed in a quantity equal to at least 0.1% by weight of the weight of the chloroprene, followed by deflocculating the polymer... | 03/18/1986 |
| 4559384 | Process for preventing agglomeration of powders by using triethylenediamine polymers A process for preventing the agglomeration of agglomerative powder, such as TEDA monomer piperazine, sodium chloride and ammonium chloride, comprising adding TEDA polymer to the agglomerative powder or adding TEDA to a solution from which the powdery mate... | 12/17/1985 |
| 4554211 | Spherical micro-porous silica gel and a production process thereof A spherical micro-porous silica gel, which is characterized by having a mean diameter of 3-20 μm, a bulk density of 0.28-0.41 g/cm3, a pore size of 18,000-100,000 and a specific surface area of 1,000-1,400 m2 /g and a production pro... | 11/19/1985 |
| 4500431 | Separation of analysis of anions This invention makes a rapid and accurate anion separation analysis possible by using an electric conductivity detector built in a chromatographic apparatus and a binary composite solution as an eluent. The binary composite solution: borax and an aliphati... | 02/19/1985 |
| 4477596 | Amphoteric ion exchanger and method of making same An amphoteric ion exchanger constituted by linking (1) first macromolecular chain A- having cation exchange groups, (2) second macromolecular chain B+ having anion exchange groups and (3) third macromolecular chain C having no ion ex... | 10/16/1984 |
| 4420257 | Laser light scattering photometer A laser light beam is projected through a fluid measuring cell having a fluid accommodating chamber and inlet and outlet pathways for the fluid. The light is separated into transmitted light and scattered light. Separate light detectors sense the transmit... | 12/13/1983 |
| 4393246 | Process for brominating side chain of m-phenoxytoluene A side chain of m-phenoxytoluene is brominated with a polyhalogenated ethane having the formula ##STR1## wherein W and Z respectively represent Cl or Br and X and Y respectively represent Cl, Br or H, as a brominating agent in a liquid phase in the ... | 07/12/1983 |
| 4367147 | Method of recovering characteristics of deteriorated cation exchange membrane Characteristics of a cation exchange membrane used for an electrolysis of an alkali metal chloride are recovered by immersing the perfluorocarbon type cation exchange membrane in an organic solvent having a water miscibility and a boiling point of higher ... | 01/04/1983 |
| 4367281 | Fine fabrication process using radiation sensitive resist A fine work process comprises forming a thin film made of a radiation sensitive polymer on a board; irradiating radiation; developing and etching the product. The radiation sensitive polymer comprises at least 10 wt. % of a polymer having repeat units: ... | 01/04/1983 |
| 4347077 | Process for producing magnesium alloys Process for producing a magnesium alloy which comprises: reducing magnesium oxide with a carbonaceous substance at high temperatures; rapidly cooling the resultant reaction product in an inert atmosphere to obtain powder magnesium; mixing the reaction product ... | 08/31/1982 |
| 4347138 | Method of separating serum albumin and gamma-globulin from each other Serum albumin and a serum γ-globulin are separated by filtration from each other in a solution of a mixture thereof by using an ultrafiltration membrane. The ultrafiltration membrane has a fractionation molecular weight of about 100,000. The total protei... | 08/31/1982 |
| 4333870 | Process for separating γ-globulin aggregate by polysulfone membrane γ-Globulin aggregate is separated by a membrane from an aqueous solution of γ-globulin through an ultrafiltration membrane. The ultrafiltration membrane is a membrane made of a polysulfone resin having the formula ##STR1##... | 06/08/1982 |
| 4275243 | Process for producing hydroxybutyraldehyde An organic tri-substituted phosphine having a boiling point of at least 200° C. and a reaction medium having a boiling point of at least 200° C. are used in a hydroformylation of allyl alcohol with carbon monoxide and hydrogen in the presence of a rhodi... | 06/23/1981 |
| 4256843 | Hydrophilic separating carrier and preparation thereof A hydrophilic separating carrier is a porous spherical gel having primary hydroxyl groups and is produced by an aqueous suspension homopolymerization of pentaerythritol dimethacrylate or an aqueous suspension copolymerization of pentaerythritol dimethacry... | 03/17/1981 |
| 4256842 | Hydrophilic separating carrier and preparation thereof A hydrophilic separating carrier is a porous spherical gel having primary hydroxyl groups and is produced by an aqueous suspension homopolymerization of pentaerythritol dimethacrylate or an aqueous suspension copolymerization of pentaerythritol dimethacry... | 03/17/1981 |
| 4252925 | Anionic polymerization process An anionic polymerization is carried out by polymerizing a monomer for anionic polymerization in a solvent in the presence of a polymerization initiator after preparing a polymerization system by an operation (I) adding a solution of an organometallic com... | 02/24/1981 |
| 4234704 | Chloroprene polymer composition A chloroprene polymer composition comprises a benzene soluble chloroprene polymer (A) and a gel chloroprene polymer (B) at a ratio ranging from 20:1 to 1:1, wherein the benzene soluble chloroprene polymer (A) is obtained by an aqueous emulsion polymerizat... | 11/18/1980 |
| 4217223 | Gel permeation chromatograph system A gel permeation chromatograph system comprises a series of a solvent tank, a line filter and a distribution block; a pair of series of constant flow feeding pumps and sample injecting devices which are connected to the distribution block under dividing i... | 08/12/1980 |
| 4216323 | Separation and recovery of 1,4-diazabicyclo-(2,2,2)-octane 1,4-Diazabicyclo-(2,2,2)-octane is separated and recovered by adding water to a crude 1,4-diazabicyclo-(2,2,2)-octane including an alkyl pyrazine and other amines and then, separating 1,4-diazabicyclo-(2,2,2)-octane by a distillation of water and the alky... | 08/05/1980 |
| 4208389 | Purification of phosphoric acid Wet process phosphoric acid prepared by treating phosphate rock with sulfuric acid is purified by extracting said wet process phosphoric acid with an organic solvent containing an equilibrium concentration of phosphoric acid in a first extraction section ... | 06/17/1980 |
| 4205134 | Carrier for liquid chromatography A carrier for liquid chromatography having main units ##STR1## wherein n=0 or an integer of 1 to 3; m=0 or 1; q=an integer of 1 to 3; p=0 or 1; w=90 to 16; x=57 to 2; y=0 to 30; z=5 to 30; B represents adenine, guanine, thymine, uracil or cytosine; X... | 05/27/1980 |
| 4201668 | Treatment of sludge comprising biological aggregate A treatment for improving the filtering characteristics of the sludge is attained by adding a magnesium compound with or without an iron salt and further adding a base to maintain the pH of the sludge at higher than 9.0.... | 05/06/1980 |
| 4200538 | Process for preparing cation-exchange membrane A cation-exchange membrane is prepared by swelling a fluorinated polymer membrane having cation-exchangeable groups with an organic solvent and then removing the solvent from the swollen membrane and immersing a monomer with or without a crosslinking agen... | 04/29/1980 |
| 4194999 | Process for producing powdery rubber A powdery rubber is produced by mixing an anionic or nonionic rubber latex with an aqueous solution of an anionic water soluble macro-molecular compound which is dissociated in water to give negative charge; adjusting the pH to an acidic condition; adding... | 03/25/1980 |
| 4190506 | Electrolysis of alkali metal chloride An alkali metal chloride is electrolyzed in a diaphragm electrolytic cell equipped with an asbestos diaphragm prepared by using asbestos fiber fluffed with a turbo rotary mill before fabrication.... | 02/26/1980 |
