When an oil well has been completed it is necessary to monitor downhole the rate at which the well's products are flowing along the borehole and up to the surface. One type of method and apparatus previously proposed for this purpose in wells with a horizontal borehole section, where the fluid is stratified into distinct component layers, involves the use of tracer or maker materials; employing an...

A method for controlling the collection, processing and dissemination of information by a host regarding product and service availability. The method includes the steps of establishing a host operated information management system on a computer. Host approved sellers of products and services are granted limited electronic access to the information management system so that the seller can access th...

The properties of (meth)acrylic ester/(meth)acrylic acid copolymer webs, such as films and nonwovens, are improved by blending the ester/acid copolymer with a copolymer of ethylene and acrylic acid and/or polyethylene glycol. The copolymer blend provides a polymeric material which is useful for making personal care products such as diapers and feminine pads in that it can be made water-soluble whi...

An optical recording apparatus comprises optical recording mediums each of which comprises a single plate substrate and recording layers which are formed on both sides of the substrate and available for recording and reproduction or for recording, erasing and reproduction with irradiation of laser beams, both surfaces of the recording medium being available for the simultaneous access, and floatin...

A composite material having a substrate and an expanded, cured layer of an epoxy resin composition which is provided over a surface of the substrate and in which a major portion of the cells are present in a location adjacent to the interface between the substrate and the expanded layer and substantially no cells are present on the top surface portion of the expanded layer. The epoxy resin composi...

The optical unit (10) of the device is fixedly provided on a chassis (15) and has a light source (18) for radiating a light beam towards an optical disc (13) and a light receiving section for receiving a return light beam reflected from the optical disc. The movable pickup is supported on the chassis for movement along the radius of the optical disc and has an object lens (22) for converging the l...

A method for the prevention of blocking in Linear Low Density Polyethylene (LLDPE) films is provided, said method comprising the incorporation of at least a preselected High Density Polyethylene (HDPE) resin and a slip additive into the LLDPE film base resin at appropriate let-down ratios. The incorporation of the preselected HDPE resin and the slip additive into the film base resin can be accompl...

A vinyl chloride-based plastisol which contains a) a powder of a vinyl chloride polymer obtainable by spray drying an aqueous dispersion of a vinyl chloride polymer, the dispersion containing a polyhydric alcohol in an amount of 0.3 to 5 parts by weight per 100 parts by weight of the vinyl chloride polymer, and b) a plasticizer in an amount of 30 to 300 parts by weight per 100 parts by weight of t...

An image display apparatus and a method of making the same where the image display apparatus includes a rear electrode for controlling a first quantity of electrons in an electron beam. Also included is an electron beam generating source for generating the electrons which travel in parallel with each other and an extraction electrode for extracting the electron beams from the generated electrons. ...

Rubber articles e.g. rubber latex gloves have an adherent anti-tack coating comprising a mixture of a) a carboxylated synthetic rubber latex having a minimum film forming temperature (MFFT) of 10 DEG C or above, with b) a latex polymer having an MFFT below 10 DEG C and/or c) a water-soluble organic polymeric hydroxy material. Component b) tends to confer non-slip properties while component c) tend...

A process is disclosed for separating components of an azeotropic or azeotrope-like mixture containing only organic compounds at least one of which compound is a halocarbon comprising contacting said azeotropic or azeotrope-like mixture with a semipermeable membrane to form at least one exit stream having an increased concentration of at least one component and at least one other exit stream havin...

Production of foamable organosilicon compositions is effected by mixing (by wt.): (A) 100 parts elastomer comprising (i) an organosiloxane block copolymer of formula {R<1>SiO1.5a-R<2> (OH)SiObR<3>R<4>SiOc}n with OH group content 0.2-4% and R<3>R<4>SiO : R<1>SiO1.5 ratio = 0.85-10,000; or (ii) a mixture of (i) with an alpha ,w-dihydroxy- polydiorganosiloxane at ratio (0.05-0.5) : 1; (B) 2-15 parts...

A plant for the production of cellulose films and fibers includes at least one pulping device for producing a first suspension of pulp in an aqueous amine-oxide solution and a first thin-film treatment apparatus for receiving the first pulp suspension and producing a concentrated pulp suspension. The plant also includes a second thin-film treatment apparatus wherein the concentrated pulp suspensio...

The motor vehicle includes a power train with an adjustable fuel-consuming prime mover arranged to transmit a variable torque. An automated torque transmitting system is actuatable to assume engaged and disengaged conditions. The transmission (4) is shiftable into a number of gears. An accelerator pedal (20) is provided for selecting the consumption of fuel by the prime mover. The brake and the ac...

The invention relates to a shaft-hub connection, especially for a gear wheel (4, 6, 8) on a transmission (2). The gear wheel (4, 6, 8), as well as being force-fitted, is prevented from making microscopic movements on the shaft by an interlocking bond (18, 20, 22). A pin-like interlocking bond is especially advantageous. The recesses (50, 52) for the pin-like securing components (18, 20, 22) are pr...

A process for the production of aqueous silicone emulsions(ASE) comprises homogeneously mixing (1) 1-40 pts. wt. of a homogeneous mixture of (1a) 0.1-5 pts. wt. non-ionic emulsifier with an HLB value of less than 13, (1b) 0.1-5 pts. wt. non-ionic and/or ionic emulsifier with an HLB value of more than 17, (1c) 0.1-5 pts. wt. of a third non-ionic emulsifier with an HLB value between those of (1a) an...

A novel water-dispersible mixture (preferably a flowable powder) comprises: (A) a non-functionalised polyolefin wax of average particle size 1-50 ~m and acid number below 5mg/g; and (B) a minor amount of a hydrophilic dispersant comprising a glyceride of mainly a mono-or poly-ethylenically unsaturated 16-22C monocarboxylic acid, the glyceride being alkoxylated with 1-50 mol. 2-4C alkylene oxide an...

A safety device for a speed controller has a display (2) for the controller's operational readiness. There is a monitor (4) for the functional readiness of the display and if the display is not ready, the monitor transmits a signal to deactivate the speed controller. A lamp is used for the display and the monitor has a comparator (5) which tests the lamp voltage. There is an operating voltage at ...