CUANDO SE POLIMERIZA BUTENO-1 SOLO O JUNTO CON CANTIDADES MENORES (POR DEBAJO DE 10 % APROXIMADAMENTE) DE OTROS MONOMEROS NO SATURADOS, SE PUEDE UTILIZAR UNA COMPOSICION DE ZIEGLER-NATTA COMO CATALIZADOR DE ALTO RENDIMIENTO, EN EL QUE SE HA POLIMERIZADO HIDROCARBURO LIQUIDO QUE TIENE 5-12 ATOMOS DE CARBONO POR MEDIO DE UNA COMBINACION DE UN COMPUESTO DE TITANIO TETRAVALENTE SOLIDO, SOPORTADO SOBRE...

A cathodic protection system for a metallic structure buried in the earth, the system comprising an impressed anode assembly buried in the earth in proximity with said metallic structure; a sacrificial anode assembly buried in the earth in proximity with said metallic structure; a solar power source for providing an output voltage that increases with increasing intensity of sunlight incident there...

2093670 9207983 PCTABS00013 A method of preparing porous fiber reinforced polymer composite sheets has been developed to allow a more efficient preheating of the sheet prior to molding and includes the steps of blending reinforcing fibers with resin matrix forming fibers to form a web. This web is then heated to a temperature wherein the resin matrix forming fibers melt and envelope the reinforcin...

A halogen-metal vapor lamp (1) with its electrodes coming out of the discharge vessel at opposite ends is provided with a highly insulated socket at one end capable of withstanding 30 kV that may have to be applied for warm ignition of the lamp. Contact pins (9,10) of the socket (11) and connection bushings (22,23) of the support (21) into which the socket plugs in, are provided with collars (15,1...

PURPOSE:To prevent deterioration of the liquefying performance of a condenser by a method wherein a vaporized solvent generated when coal, a slurrying solvent, and a catalyst are ground and mixed in a grinding mixer to form a slurry is liquefied and recovered by a condenser using stainless steel tubes. CONSTITUTION:In a coal liquefying process involving the step of grinding and mixing coal, a slur...

PURPOSE:To perform oil-water separation accurately and automatically by adjusting the level of a pipe for withdrawing the separated water so as to place it in a specified position in relation to an oil-water separation tank wherein a water-containing oil fraction produced in a coal liquefying process is separated into water and oil. CONSTITUTION:A gaseous water-containing oil fraction obtained aft...

PURPOSE:To facilitate the removal of scale and to realize the reuse of a long pipe by using an inert gas to dry and peel the scale for removing it deposited on the inside of a long pipe for heating a coal-containing slurry before hydrogenation in a coal liquefying process. CONSTITUTION:In a coal liquefying process involving the step of grinding and mixing coal, a slurrying solvent, and a catalyst ...

PURPOSE:To obtain a circularly polarized wave which passes only prescribed polarized wave by inserting a uniaxial crystal between a condenser lens and a condensing point thereof and inserting a pinhole plate to the condensing point of the necessary polarized light. CONSTITUTION:The position at the focusing point of the S polarized wave 7 and the P polarized wave 8 varies and, therefore, if annular...

PURPOSE:To lower the socket pitch thereby enabling a system to be highly integrated and light-weighted by a method wherein the title thin type memory module is provided with the substrate inserted into a socket mounted on a mother board and a semiconductor device mounted with a thin type package loaded on one surface or both surfaces of the substrate. CONSTITUTION:The title thin type memory module...

2094614 9207898 PCTABS00013 Thermoplastic polyester fiber reinforced polyester panels which have extremely smooth and paintable surface and which can be deformed when hot to conform to a molded useful article without substantial loss in molecular weight or physical properties such as strength.

The novel light-sensitive registration elements (A, B, C) comprise a dimensionally stable backing (A), a negative- or positive-working light-sensitive registration layer (B) and an image mask (C) which is directly joined to the surface of the registration layer (B) and which is a relief-type pattern of uncoated and coated regions, the coated regions being essentially opaque to the actinic light us...

Disclosed herein is a magnetic recording medium comprising a biaxially oriented polyester film having an extremely low surface roughness and containing fine particles and specific higher aliphatic carboxylic acids and/or derivatives thereof, and a magnetic layer formed on one side of the polyester film. The magnetic recording medium exhibits a stable travelling nature even when it is not provided ...

Disclosed herein is a magnetic recording medium comprising a biaxially oriented polyester film having an extremely low surface roughness and containing fine particles and specific higher aliphatic carboxylic acids and/or derivatives thereof, and a magnetic layer formed on one side of the polyester film. The magnetic recording medium exhibits a stable travelling nature even when it is not provided ...

PURPOSE:To obtain the oxide which has an excellent electric conductivity and can greatly and easily be controlled in electric and magnetic characteristics by forming the oxide of Ba, Ca or Sr and Ti, and La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho or Er as components and forming the oxide into laminar perovskite structure. CONSTITUTION:This conductive oxide consists of the AE element (AE is Ba, Ca, Sr)...

PURPOSE:To provide the above oxide which exhibits a metallic conductivity and to improve its electric conductivity by mixing compds. contg. Bi and Ni, and at least one kind of the elements selected from Ba, Ca and Sr, and calcining, molding and firing the mixture. CONSTITUTION:The oxide or carbonate of Ni, the oxide or carbonate of the Bi and the oxide or carbonate of the AE element (AE is at leas...

PURPOSE:To provide the above oxide which exhibits a metallic conductivity and to improve its electric conductivity by mixing compds. contg. Li and Ni, and at least one kind of the elements selected from Ba, Ca and Sr, and calcining, molding and firing the mixture. CONSTITUTION:The oxide or carbonate of Li, the oxide or carbonate of the Ni and the oxide or carbonate of the AE element (AE is at leas...

PURPOSE:To provide the above oxide which exhibits a metallic conductivity and to improve its electric conductivity by mixing compds. contg. at least one kind of the elements selected from Ba, Ca and Sr, Ir and rare earth element contg. Ir and Y and calcining, molding and firing the mixture. CONSTITUTION:The oxide or carbonate of the AE element (AE is at least one kind of the elements selected from...

PURPOSE:To synthesize the diamond having good crystallinity and film quality at a high speed by using carbon monoxide and gaseous hydrogen as gaseous raw materials and further, adding an oxygen-contg. inorg. gas exclusive of the carbon monoxide thereto, thereby establishing the conditions for incorporating and forming graphite. CONSTITUTION:The diamond is synthesized in a vapor phase by using the ...

PROCEDIMIENTO PARA LA MEDICION DE LA PERMEABILIDAD DE UNA CAPA HOMOGENEA DE UN TERRENO. SE CARACTERIZA POR EL HECHO DE QUE, EN UNA PRIMERA ETAPA, SE EFECTUA UNA PERFORACION EN DICHO TERRENO HASTA EL PRINCIPIO DE DICHA CAPA HOMOGENEA, Y SE PROVOCA EN DICHA PERFORACION UN DERRAME DE LIQUIDO ANOTANDO, EN LA CABEZA DE LA PERFORACION, LA VARIACION DEL CAUDAL EN FUNCION DE LA PRESION, QUE, EN UNA SEGUND...

EL INVENTO SE REFIERE A UN PROCEDIMIENTO PARA FORMADO POR SOPLADO Y FLUORADO DE CUERPOS HUECOS, SOBRE TODO RECIPIENTES DE PLASTICO HDFE PARA COMBUSTIBLES. EL INVENTO SIGNIFICA QUE EL FLUORADO SE REALIZA POR PROCEDIMIENTO "IN LINE" UNA VEZ FABRICADO EL CUERPO HUECO, QUEDANDO LA TEMPERATURA DE LA SUPERFICIE INTERIOR DEL CUERPO HUECO BAJO LA TEMPERATURA DE FUNDICION DEL PLASTICO EMPLEADO.; A process ...