The invention relates to a process for the preparation of Fumagillin by liberation from its salt characterized by reacting Fumagillin dicyclohexylamine salt with an organic acid in alcoholic medium. According to the process Fumagillin can be produced in high yield and pure condition and with higher stability than products obtained by other preparation methods

A reciprocating pulser system for generating pressure fluctuations in a flowing drilling fluid comprising a reciprocating poppet and a stationary valve assembly with axial flow passages. The poppet reciprocates in close proximity to the valve assembly, at least partially blocking the flow through the valve assembly and generating oscillating pressure pulses. The poppet passes through two zero spee...

The present invention is in the field of windows having multiple layer polymers disposed thereon, and more specifically, the present invention is in the field of multiple pane windows having multiple layer polymers disposed on one or more panes.

The present invention relates to measuring equipment for providing information concerning inflow conditions to a well from fluid-producing zones in a formation, comprising a body which can be lowered through the well to the zones, and where the body comprises sensors (17, 19) for recording the different fluids and velocities of flow and other necessary flow parameters. According to the invention t...

No-bake inorganic binder compositions for binding particulate material and methods for curing such inorganic binders. The inorganic binder compositions are composed of silicate and phosphate components. The no-bake compositions further contain curing catalyst such as a catalyst selected from the group consisting of aliphatic carbonates, cyclic alkylene carbonates, aliphatic carboxylic acid esters,...

A surgical implant comprises a core region and a porous surface region extending over at least part of the core region. The surface region has a predetermined pore volume fraction. A method of manufacturing a surgical implant comprises: (i) loading metallic powder having a predetermined particle size distribution around a pre-formed core in a sealable capsule; (ii) reducing pressure within the cap...

The invention provides a method of inhibiting surface-induced nuclear spin relaxation and surface trapping of a hyperpolarized noble gas, most preferably 129Xe, by polymer-coated surfaces. The method includes inhibiting the amount of interaction of the noble gas with a polymeric coating on the surface of apparatus which contacts the noble gas. Preferably, the method includes inhibiting noble gas n...

Device for centering a stereotactic frame in the skull during the mounting thereof, particularly provided with horizontal and vertical motion, which contains elements for measuring and correcting the linear variation in the x plane generated due to the lack of eccentricity required by the frame with regard to the skull. The purpose of the present invention is to provide a highly reliable device, w...

Described is a system for locating apertures in order to block bolted hollow intramedullary nails. The inventive system uses magnetic sources and a sensor for externally locating the apertures, besides being radiation-less, the system is sterilizable and reliable, as well as transportable and easily applied.; Se presenta un sistema para localizar los orificios para bloquear clavos intra medulares ...

4-Tetrazolyl-4-phenylpiperidine Compounds, compositions comprising an effective amount of a 4-Tetrazolyl-4-phenylpiperidine Compound, methods for treating or preventing pain or diarrhea in an animal comprising administering to an animal in need thereof an effective amount of a 4-Tetrazolyl-4-phenylpiperidine Compound and methods for stimulating opioid-receptor function in a cell comprising contact...

The desulfurization catalyst for catalytic cracked gasoline according to the present invention has high performance in removal of sulfur compounds in gasoline fractions. This catalyst contains particulate vanadium oxide having the average particle diameter in the range from 0.1 to 10 μm at the content in the range from 0.3 to 3 weight % calculated as that of V2O5. The porous spherical particles of...

Se refiere a una pala recolectora de basura en forma cilindrica novedosa, para facilitar limpieza en lugares de dificil acceso.

A sanitary napkin including a body facing surface, a portion adapted to be arranged over the vaginal opening during use, a first colored portion, said colored portion extending over at least the portion of the napkin to be placed over the vaginal opening during use, a noncolored portion, wherein said first colored portion has a first color as measured from said body facing surface prior to stainin...

A laser system includes a resonator having two gain modules (350A,350B) generating pulses, coupled with intra-cavity polarization into a single beam line (362), using a single output coupler (354). A laser controller (340) controls the laser heads (350A,353A,350B,353B) to emit pulses in rapid succession, such as pulse pairs (505) separated by a time interval of less than about 1 millisecond, and i...

The invention concerns a method for biological purification of effluents in mixed cultures using micro-organisms whereof part at least is fixed on solid supports. The invention is characterized in that said supports are activated so as to generate a turbulence in the reaction medium, the intensity of which is such that it reduces the production of biological sludge, the materials constituting said...

A pressure control device (8) for medium-containing containers (2) such as liquid or gas containers, which pressure control device comprises a pressure control chamber (25) with at least one movable wall part (22) for operating a mechanism for opening and/or closing a gas supply opening (27) of a gas holder, while a scavenger (31) is accommodated in the pressure control chamber. Preferably, the pr...

A modular conveyor belt with pin-retained attachments. The conveyor belt is constructed of a series of rows of side-by-side belt modules hingedly interconnected end to end by hinge pins through interleaved hinge eyes of adjacent rows. Selected modules are base modules that include upstanding members extending from intermediate module structure. Belt attachments, such as flights, include depending ...

A process can include the step of forming a removable support having a complementary contour to a machined surface of a block of material to be processed in order to support the machined surface from an opposite planar surface formed on the removable support during machining of the opposite side of the block of material. The process can include the steps of processing a block of material on a mach...

A method of controlling the welding in a three-dimensional X-Y-Z coordinate system, in which method a welded structure is provided by a number of pieces arranged on a three-dimensional support base (2) in an assembly in accordance with the construction (1) to be welded, the construction (1) to be welded is photographed and a picture map made of the construction (1), by means of which picture map t...