Abstract: An aqueous solution containing 0.1 g/l or more of piperidine or a derivative, 100-500 g/l of sulfuric acid, 10-50 g/l of hydrogen peroxide and 0.5 g/l or more of phosphoric acid is used for treating the surface of copper or copper alloy used in manufacturing of printed circuit.

Abstract: A process for producing a rolled-in type emulsified fat and oil composition by emulsifying 2 to 20% by weight of protein, 30 to 75% by weight of fat and oil and 18 to 65% by weight of water into an oil-in-water type emulsion, which comprises adding 0.1 to 5% by weight, based on the fat and oil, of phospholipid which comprises mono acyl glycero phospholipid at least 40% by weight based on the total phospholipid and at least one emulsifier component to thereby provide the necessary oil-in-water type emulsion.

Abstract: A process for producing a proteinous material which comprises coarsely grinding fish bodies including bones and/or shells, from which the internals had been removed optionally together with heads and/or skins, defatting said coarsely ground fish bodies if required, and either (1) fermenting said coarsely ground fish bodies with an enzyme and/or a microorganism, inactivating said enzyme and/or microorganism and then finely grinding the fermented material; or (2) finely grinding said coarsely ground fish bodies, fermenting the same with an enzyme and/or a microorganism, and then inactivating said enzyme and/or microorganism; or (3) finely grinding said coarsely ground fish bodies while fermenting the same with an enzyme and/or a microorganism and then inactivating said enzyme and/or microorganism is disclosed.

Abstract: The process for producing an oleaginous composition of the present invention comprises transesterifying a fat containing a large amount of polybasic unsaturated fatty acid(s) as constituting fatty acid(s) with saturated fatty acid(s) and/or saturated fatty acid alcohol ester(s) with the use of a lipase having an site-specificity to thereby give symmetric triglyceride(s) wherein the fatty acid groups at the 1- and 3-positions are selectively transesterified and a polybasic unsaturated fatty acid group is present at the 2-position. The above transesterification should be carried out under such conditions as to give an oleaginous composition which comprises 40% or more of symmetric triglyceride(s) each having a polybasic unsaturated fatty acid group at the 2-position and 50% or more of completely saturated fatty acid(s) each having 16 or more carbon atoms.

Abstract: An amine-substituted thiourea dioxide is obtained by reacting thiourea dioxide and an aliphatic or aromatic primary amine in a neutral or acidic pH range.

Abstract: The present invention relates to a device for filling up a recess left in a concrete wall after removal of a separator terminal, the device comprising a main body including a circumferential step formed around its outer periphery at a longitudinal intermediate location so that the circumferential step defines a diameter-reduced portion and a diameter-enlarged portion of the main body, a threaded hole centrally formed and axially extending in an end surface of the diameter-reduced portion to be engaged with a threaded end of the separator, tool receiving apertures formed in an end surface of the diameter-enlarged portion and in elastic water-swollen rubber cylinder put around the diameter-reduced portion so that an outer periphery of said cylinder is tapered towards the end surface of the diameter-reduced portion and an end surface of the cylinder looking towards the end surface of the diameter-enlarged portion bears against the step of the main body while the end surface of the cylinder looking towards the en

Abstract: A binder composition for injection molding of at least one of metal powder and ceramic powder which comprises polyoxyethylene/polyoxypropylene condensation polyether as the main component together with from 10 to 100 parts by weight of at least one auxiliary component selected from the group consisting of natural waxes, synthetic waxes, fatty acids and esters per 100 parts of said polyoxyethyene/polyoxypropylene condensation polyether.

Abstract: The present invention relates to a device for prevention of rainwater or like from penetrating into a concrete structure around each separator left embedded therein, the device comprising a hollow cylinder of synthetic resin, the latter including a female threaded cylinder made of metal or other material embedded in the interior at one end thereof and water-swollen damming-up outer rings fixed on the outer periphery so as to serve together as terminals, a threaded cylindrical portion formed at one end of each of the terminals being engaged with a male threaded portion formed around the corresponding end of the separator, and the cylinder of synthetic resin further including a plug provided with a water-swollen damming-up inner ring fixed into the interior at the other end thereof.

Abstract: A two-step reaction method for the transesterification of fats and oils, comprising hydrolyzing fats and oils to produce diglycerides by reacting said fats or oils with lipase; esterifying said digylcerides and to produce triglycerides by reacting said diglycerides with at least one fatty acid.

Abstract: The proteinous material of the present invention, which comprises partially decomposed but not thermally denatured fish proteins consisting of 20% or less of those having a molecular weight of more than 100,000, 20 to 50% of those having a molecular weight of 100,000 to 40,000, 20 to 50% of those having a molecular weight of 40,000 to 14,000 and 20% or less of those having a molecular weight of less than 14,000, contains large amounts of, for example, methionine and lysine in its amino acid composition, in particular in essential amino acid composition. Thus it is superior in nutritive value to vegetable proteins which contain smaller amounts of those amino acids. Further it is highly digestible by man and animals.

Abstract: According to the process of the present invention, fish bodies, from which the internals and/or skins are optionally removed, are treated with a protease to give a gain in soluble nitrogen contained in the treated material based on the total nitrogen contained in the starting material of 3 to 50% to thereby give a slurry; and fish bones, fish oil, partially decomposed fish porteins and an aqueous solution containing water-soluble components are separated and recovered from said slurry.

Abstract: An oil-in-water type emulsified fat composition which contains cheese and shows stable emulsification can be prepared by adding 0.1 to 5% by weight, based on the fat, of monoacyl glycero phospholipid(s) as at least an emulsifier component and 0.5 to 5% by weight, based on the cheese, of molten salt(s) in the emulsification of cheese, fat and water.

Abstract: The surfactant composition of the present invention, which comprises mono acyl glycero phosphilipid(s) and one or more compounds selected from the group consisting of polyglycerol fatty acid esters, sucrose fatty acid esters, sorbitan fitty acid esters and glycerol fatty acid monoesters as essential components, exhibits excellent acid- and salt-resistances, permeability, emulsification and dispersion capabilities and hydrophilicity. Further it is highly safe and can be appropriately applied to various products, in particular, food, cosmetics and pharamceuticals.

Abstract: A hard butter of the present invention is obtained by adding 0.05 to 20% by weight of polyglycerol fatty acid ester(s), which is prepared by binding four or more moles in average of fatty acid(s) to polyglycerol(s) having five or more in average of hydroxyl groups, to a hard butter. With the use of the hard butter of the present invention, the anti-blooming properties of a chocolate are enhanced with little limitation on the composition of the same. In particular, chocolates containing trans and lauric hard butters can be more freely compounded thereby than in the case of conventional ones.

Abstract: The hard butter of the present invention comprises a fat which is obtained from the pericarp of the Chinese tallow tree by extraction optionally followed by fractionation and has a solid fat content of 80% or more, 60% or more and 0.5% or less at 20.degree. C., 30.degree. C. and 40.degree. C., respectively. And the other hard butter of the present invention comprises 5 to 95% of the pericarp oil as defined above and 95 to 5% by weight of one or more fats selected from among, for example, sal fat, fractionated sal fat, fractionated shea fat, kokum fat, mango kernel fat, fractionated mango kernel fat and illipe fat.

Abstract: The present invention relates to a novel viologen derivative having at least one polymerizable vinyl group directly bonded to a viologen skelton and a process for producing the same.The novel viologen derivative can be used for a display material, various sensors and the like.

Abstract: The blooming resistance improver of the present invention comprises an oleaginous composition containing 80 to 99% (by weight; the same will apply hereinafter) of fat(s) and/or oil(s), which contain 5% or more of fatty acid group(s) having 20 or more carbon atoms and show solid fat contents of 10% or above and 5% or above at 20.degree. C. and 25.degree. C., respectively, and a rising melting point of 25.degree. C. or above, and 1 to 20% of polyglycerol fatty acid ester(s). It exerts a remarkably high effect of inhibiting blooming on chocolates.

Abstract: The paint composition for under coating of the present invention comprises 60 to 90% by weight of an epoxy polyol resin optionally together with a hardener therefor and 10 to 40% by weight of silica particles. Said epoxy polyol resin is obtained by reacting an optionally substituted glycidyl-etherified product of an alkylene oxide adduct of a dihydric phenol with a phosphorus acid having at least one P--OH bond, an ester or a salt thereof to thereby give a precondensate, reacting said precondensate with a dihydric phenol to give an epoxy resin of a high molecular weight, and further reacting said epoxy resin with a compound having an amino group capable of reacting with an epoxy group. Said silica particles comprise a primary particle having an average particle size of 1 to 10 m.mu., a surface area of 270 m.sup.2 /g or above and a concentration of silanol groups on the particle surface of 0.25 mM/100 m.sup.2 or above.

Abstract: According to the process of the present invention for preparing a pasty proteinous material or a proteinous food, crustaceans are boiled and milled under sufficient conditions for inactivating enzymes contained therein and then proteolytic enzyme(s) and/or micro-organism(s) are allowed to act thereon. Thus various protein sources including crustacean meat remaining in the trunks and carapaces, which have been disposed hitherto, can be efficiently utilized.

Abstract: An emulsion of soy sauce and a fat or an oil, which is stable for prolonged period of time, can be obtained by adding 0.1 to 5% by weight, based on the fat or oil, of mono acyl glycero phospholipid(s) as at least one emulsifier component in the emulsification of said fat or oil into an aqueous phase comprising soy sauce as the main component to give an oil-in-water type emulsion.