Abstract: The present invention relates to an antimicrobial pigment, its production process, and a cosmetic composition containing the pigment. More particularly, it relates to an antimicrobial cosmetic pigment produced by forming an amorphous glassy inorganic coating layer of metal oxides over the surface of inorganic cosmetic pigment and intercalating antimicrobial metals inside the lattice structure of the coating layer, it's production process, and a cosmetic composition containing it. Silica, either alone or as the principal ingredient in combination with one or more oxides selected from the group consisting of zinc oxide, magnesium oxide, calcium oxide, aluminum oxide, lithium oxide, sodium oxide, potassium oxide, and ferric oxide is utilized as the metal oxide and the composition utilizes silver, copper and zinc as the antimicrobial metals.

Abstract: The present invention relates to a process for continuously preparing unsaturated carboxylic acid esters by esterifying an (aliphatic) alcohol having 1 to 8 carbon atoms with an unsaturated carboxylic acid in the presence of a cation exchange resin catalyst, characterized in that the process is conducted by continuously circulating said reactants in contact with said catalyst from the top to the bottom through a reactor which is composed in the form of a fixed bed divided into 1 to 10 steps wherein each step comprises a catalyst bed, a filter and a air inlet, and has a thermal insulating outer wall, supplying a vaporizing heat for extraction of water, which is produced during the reaction, through a heat exchanger outside the reactor, circulating the reactants between the reactor and the heat exchanger by means of a circulating pump, contacting an azeotropic mixture of water vaporized by the heat exchanger and an alcohol with an alcohol circulating in a column tower or a raw alcohol supplied from an alcohol i

Abstract: The present invention provides a process for preparing cephem derivatives having the following general formula (I): ##STR1## in which R.sup.1 represents a carboxy group or a protected carboxy group which can form the salt of --COO.sup.- M.sup.+ with an alkali metal ion (M.sup.+) such as sodium, or may represent --COO.sup.- when R.sup.2 has a substituent having positive electric charge such as pyridinium, pyrimidinium or thiazolium,R.sup.2 represents hydrogen, acyloxymethyl, heterocyclic methyl or heterocyclic thiomethyl, each of which can be substituted with appropriate substituents,R.sup.3 represents hydrogen or an amino-protecting group,R.sup.4 represents C.sub.1 -C.sub.4 alkyl or phenyl, or together with the oxygen or phosphorus atom to which it is attached may form a 5- or 6-membered heterocyclic ring, andQ represents N or CH, characterized in that a reactive thiophosphate derivative of thia(dia)zole acetic acid having the following general formula (II): ##STR2## wherein R.sup.3, R.sup.

Abstract: The present invention relates to a novel process for preparing sulfonylurea derivatives of formula (I) in a high purity and a high yield characterized in that a sulfonylchloride of formula (V) is reacted with 2-amino-4,6-dimethoxypyrimidine of formula (VII) in the presence of a metal cyanate and an organic base catalyst or a compound of formula (VIII) is reacted with 2-amino-4,6-dimethoxypyrimidine of formula (VII): ##STR1## wherein R.sup.1 represents hydrogen, C.sub.1 -C.sub.4 alkyl or phenyl, R.sup.2 represents hydrogen, C.sub.1 -C.sub.4 alkyl, allyl or propargyl and R.sup.3 represents hydrogen, methyl, ethyl or phenyl, and to a process for preparing the sulfonylchloride compound of formula (V) above and the compound of formula (VIII) above, both of which are useful as an intermediate compound for preparing the sulfonylurea derivative of formula (I) and to a novel intermediate compound of formula (VIII) as defined above.

Abstract: The invention relates to novel herbicidal compounds and compositions. The compounds of the invention are highly substituted derivatives of pyrimidine.

Abstract: The present invention relates to a novel 2-aminothiazolecarboxamide derivative represented by the following general formula (I): ##STR1## in which R.sup.1 -R.sup.5 are defined herein, which is a fungicidal agent useful for controlling phytopathogenic organisms. In addition, the present invention also relates to a process for preparing the novel 2-aminothiazolecarboxamide derivative of formula (I) and use of the compound of formula (I) as an agent for controlling phytopathogenic organisms.

Abstract: The present invention relates to 6-chloro-2-(4,6-dimethoxypyrimidin-2-yl)oxybenzoic acid iminoester derivative of the general formula I; process of their preparation and a method for their application as herbicides: ##STR1## wherein R and Q are as defined in the specification.

Abstract: The present invention relates to a novel process for preparing sulfonylurea derivatives of formula (I) in a high purity and a high yield characterized in that a sulfonylchloride of formula (V) is reacted with 2-amino-4,6-dimethoxypyrimidine of formula (VII) in the presence of a metal cyanate and an organic base catalyst or a compound of formula (VIII) is reacted with 2-amino-4,6-dimethoxypyrimidine of formula (VII): ##STR1## wherein R.sup.1 represents hydrogen, C.sub.1 -C.sub.4 alkyl or phenyl, R.sup.2 represents hydrogen, C.sub.1 -C.sub.4 alkyl, allyl or propargyl and R.sup.3 represents hydrogen, methyl, ethyl or phenyl, and to a process for preparing the sulfonylchloride compound of formula (V) above and the compound of formula (VIII) above, both of which are useful as an intermediate compound for preparing the sulfonylurea derivative of formula (I) and to a novel intermediate compound of formula (VIII) as defined above.

Abstract: The present invention relates to a process for preparation of 5-pyrazolemercaptan derivatives represented by the following general formula (I), which is useful for synthesis of sulfonylurea-based herbicides, and an intermediate thereof, ##STR1## wherein R.sup.1 represents hydrogen, C.sub.1 -C.sub.4 alkyl, allyl or propargyl,R.sup.2 represents hydrogen, C.sub.1 -C.sub.4 alkyl, or a phenyl group which can contain one or more substituent selected from the group consisting of halogen, nitro and methyl at an optional position, andR.sup.3 represents hydrogen, methyl, ethyl or phenyl.

Abstract: The present invention relates to a process for preparation of 5-pyrazolemercaptan derivatives represented by the following general formula (I), which is useful for synthesis of sulfonylurea-based herbicides, and an intermediate thereof, ##STR1## wherein R.sup.1 represents hydrogen, C.sub.1 -C.sub.4 alkyl, allyl or propargyl,R.sup.2 represents hydrogen, C.sub.1 -C.sub.4 alkyl, or a phenyl group which can contain one or more substituent selected from the group consisting of halogen, nitro and methyl at an optional position, andR.sup.3 represents hydrogen, methyl, ethyl or phenyl.

Abstract: A process for producing a heat-resistant copolymer which comprises the emulsion polymerization of 50 to 75 parts by weight of .alpha.-methylstyrene, 5 parts by weight or less of styrene, 10 to 30 parts by weight of vinyl cyanide compound, 0.1 to 10 parts by weight of ethylenically unsaturated amide, and 10 parts by weight or less of acrylic alkyl ester or methacrylic alkyl ester, in the presense of 1.0 to 30 parts of a seed latex which comprises 50 to 80 parts by weight of .alpha.-methylstyrene, 5 parts by weight or less of styrene, 15 to 30 parts by weight of vinyl cyanide compound, 10 parts by weight or less of ethylenically unsaturated amide and 10 parts by weight or less of acrylic alkyl ester or methacrylic ester.

Abstract: The present invention relates to a process for preparation of 5-pyrazolemercaptan derivatives represented by the following general formula (I), which is useful for synthesis of sulfonyl-urea-based herbicides, and an intermediate thereof, ##STR1## wherein R.sup.1 represents hydrogen, C.sub.1 -C.sub.4 alkyl, allyl or propargyl,R.sup.2 represents hydrogen, C.sub.1 -C.sub.4 alkyl, or a phenyl group which can contain one or more substituent selected from the group consisting of halogen, nitro and methyl at an optional position, andR.sup.3 represents hydrogen, methyl, ethyl or phenyl.

Abstract: The present invention relates to a novel oxide catalyst, more specifically, a novel modified magnesium oxide catalyst which is highly active and selective for ortho-alkylation of phenol.The catalysts for phenol alkylation of the invention are represented as Mg.sub.a Mn.sub.b L.sub.c T.sub.d Q.sub.e O.sub.x .wherein:L is vanadium or chromium;T is alkali metal, alkali earth metal, lead, bisumth, cobalt, aluminum, silicon., gallium, germanium or molybdenum;Q is antimony, cesium or iron;b/a=0 to 0.35(atomic molar ratio);c/a=0.01 to 0.35(atomic molar ratio);d/a=0 to 0.35(atomic molar ratio);e/c=0.1 to 10(atomic molar ratio); and,x is determined by oxidation state of each component.

Abstract: Plasmids for the high-level expression of bovine growth hormone in yeast and in E. coli are described, as are processes for the production of bovine growth hormone which utilize host cells transformed with the expression vectors.

Abstract: A process for preparing N,N'-disubstituted urea derivatives of the following formula (I) ##STR1## wherein Ar represents an unsubstituted aromatic radical or an aromatic radical substituted with a halogen atom, an alkyl group, or an alkoxy group, which comprises reacting an aromatic mono-nitro compound, an aromatic primary amine, and synthesis gas in the presence of a catalyst consisting essentially of a divalent palladium compound as a main catalyst component and an ammonium or a phosphonium salt containing halogen atom as a co-catalyst component, and a non-polar solvent.

Abstract: Disclosed herein is a disposable absorbent article, e.g., a diaper, comprising a flavonoid and a far-infrared radiating ceramic which has improved bacterial inhibition and deodorizing characteristics.

Abstract: Disclosed are epoxy resin compositions comprising essentially (A) multi-functional epoxy resins, (B) imide-modified silicone compounds, (C) phenolic novolaks having more than 2 OH groups, and (D) inorganic fillers. When cured, these compositions have excellent processability and lower internal stress as compared to a similar composition without the imide-modified silicone compounds. These compositions are useful for sealing semiconductor devices or other molding applications.

Abstract: A given amount of crystalline polypropylene resin is blended with an olefin copolymer rubber to prepare a preblend comprising an olefin copolymer rubber/crystalline polypropylene and then the preblend is melt-blended with a crystalline polypropylene resin in the presence of peroxide. The present invention is based upon the fracture mechanism occurring between the crystalline polypropylene and rubber and is accomplished by the reciprocal combination of the reactions such as cross-linking reaction, random scission reaction of the polymer main chain, graft reaction and blocking reaction to form a cell structure. An object of the present invention is to provide a method which results in a product having better homogeneity, better heat-resistance, higher impact-resistance and greater flowabilty than heretofore known methods of preparation.