Abstract: The synthesis of a crystalline material, in particular a high silica zeolite, having a chabazite-type framework is aided by the addition to the synthesis mixture of seeds of an AEI framework-type material. The chabazite-type product has a relatively small crystal size and exhibits activity and selectivity in the conversion of methanol to lower olefins, especially ethylene and propylene.

Abstract: A crystalline material is described that has an AEI framework type, wherein the material, in its calcined, anhydrous form, has a composition involving the molar relationship: (n)X2O3:YO2, wherein X is a trivalent element, Y is a tetravalent element n is from 0 to less than 0.01. The material is normally synthesized in a halide, typically a fluoride, medium and exhibits activity and selectivity in the conversion of methanol to lower olefins, especially ethylene and propylene.

Abstract: The invention provides origin of replication sequences and replication genes and proteins for a plasmid functional in Fusobacterium (e.g., F. nucleatum) and related species. Provided by the invention are also plasmids and vectors that can replicate in Fusobacterium. Further, the invention provides shuttle vectors that can replicate in Fusobacterium and in other microorganisms, such as E. coli. Still further, the present invention provides host cells comprising the plasmids and shuttle vectors, and methods for transformation of the host cells with the plasmid and shuttle vectors of the invention.

Abstract: A tow bar with a torsion spring disposed between the tow bar and a steering arm to urge the tow bar towards an operating position, the torsion spring minimizing the force required by an operator to lift the tow bar.

Abstract: Provided are methods for selectively expressing therapeutic molecules, such as secretory proteins, antisense molecules and ribozymes, in the liver. The methods find use in treating hepatic diseases or conditions. The methods also find use in treating any disease or condition in which systemic administration of the therapeutic substance, for example, a secretory protein, is desired. The methods involve administering to a mammalian patient having a need for liver expression of a therapeutic molecule an AAV vector containing a therapeutically effective amount of the therapeutic molecule. Also provided are novel vectors employable in these methods.

Abstract: The present invention is directed to a recombinant adenovirus vector comprising two inverted terminal repeats (ITRs) each of which comprises a D-sequence having (i) from 5 to 15 native nucleotides and (ii) one or more deletions or substitutions therein.

Abstract: Provided are methods for selectively expressing therapeutic molecules, such as secretory proteins, antisense molecules and ribozymes, in the liver. The methods find use in treating hepatic diseases or conditions. The methods also find use in treating any disease or condition in which systemic administration of the therapeutic substance, for example, a secretory protein, is desired. The methods involve administering to a mammalian patient having a need for liver expression of a therapeutic molecule an AAV vector containing a therapeutically effective amount of the therapeutic molecule. Also provided are novel vectors employable in these methods.

Abstract: A vacuum brake booster having sound absorbing members affixed to the front and rear shells to attenuate sounds caused by air movement in the brake booster. The front shell is joined to the rear shell to define the housing for the brake booster. The housing is divided into a first chamber and a second chamber by a wall structure. The first and second chambers in a first mode of operation are designed to be in communication with a first source of fluid (vacuum) having a first fluid pressure while in a second mode of operation the second chamber is in communication with a second source of fluid (atmospheric air) at a second fluid pressure. In the second mode of operation, a pressure differential is created across the wall structure to produce an output force corresponding to an input force associated with a desired braking application.

Abstract: A plunger (52) having a cylindrical body with a smooth surface (61) thereon which joins an semi-spherical atmospheric seat (62) with a conical surface (60) to define with a section (31) of bore (30) a flow path through which air is communicated from the environment to a rear chamber (20) without the creation of noise. The smooth surface (61) is made of a porous material (51) that absorbs sounds without substantially effecting the flow of air.

Abstract: A detector member having the property of forming damage tracks along the paths traversed by impinging alpha particles is provided with at least two opposing detection surfaces exposed on respective opposite sides of the detector member. The opposing detection surfaces enable the detector member to form damage tracks by alpha particles impinging either of the detection surfaces which are simultaneously exposed to irradiation. Conventional cellulosic film such as cellulose nitrate can be employed with both sides of the film serving as detection surfaces. The dual-surfaced film can be framed and packaged in a compact configuration convenient to use in homes or offices. The damage tracks from both of the irradiated surfaces can be simultaneously counted using preferred spark counting techniques.

Abstract: A portable habitat and harvesting apparatus for marine life such as stone crab, crayfish, lobster and the like deployable on the water bottom and comprising a length of flexible cord connectable at each end to a separate end weight. A plurality of hollow containers are also included, each having an opening and connectable to and along the length of the cord. The invention is deployable on the water bottom in large quantities from a small boat, facilitated by the simplicity and compactness of its components which are easily assemblable during deployment. The invention may also include one or more midweights each positioned between adjacent containers along the cord to assist in maintaining the containers against the water bottom and in an orientation wherein the container interior is generally horizontally disposed in relation to its opening.

Abstract: A portable apparatus for sequentially cooling a pluraity of containers of beverages and the like includes a portable housing containing the following devices. An evaporator circulates a refrigerant therethrough and defines a receptacle for receiving a container to be cooled in close heat-conducting relation thereto. A supply tank initially contains pressurized refrigerant sufficient for cooling a plurality of containers. A conduit transmits the pressurized refrigerant from the supply tank to the evaporator. A valve forms a part of the conduit and includes devices for actuating the valve to allow the flow of pressurized refrigerant from the supply tank and devices responsive to the flow of a predetermined quantity of refrigerant from the supply tank sufficient for cooling a single container for deactuating the valve device to stop the flow of refrigerant from the supply tank and provide the predetermined quantity of refrigerant to the evaporator for cooling the container received in the receptacle.

Abstract: A printed wiring board for a keyboard switch assembly for electronic apparatus, such as electronic calculators, comprising a self-supporting insulative board having a plurality of elongated connectors on one surface thereof, at least some of the conductors having terminal portions for cooperating with switch elements. A layer of insulating material covers the one surface of the board and the conductors excluding the terminal portions. Each of the terminal portions has a coating of conductive ink thereon and a jumper element also formed of conductive ink is coated on the insulating layer crossing at least one of the conductors embedded therein and joining at least two of the terminal portion coatings. The conductive ink is preferably a noble-metal filled resin compound, such as silver epoxy, screen printed onto the insulating layer and terminal portions.

Abstract: A push-button type switch device for use in generating binary coded signals. An insulative board is provided having flat opposite surfaces. An overcenter, snap-acting diaphragm switch element is provided movable between a first inactive position and a second overcenter operative position in response to application of a predetermined operating force thereon, as by depression of a push button. The diaphragm element has a centrally disposed common contact area and a plurality of radially spaced leg members extending outwardly therefrom. The leg members have outer ends which respectively engage first terminal pads on one surface of the board thereby normally supporting the diaphragm element thereon in its first position. A common terminal is provided on the one side of the board and has an external conductor connected thereto, the common terminal being in registry with the common contact area of the diaphragm element and spaced therefrom in the first position.

Abstract: A keyboard switch assembly including a printed circuit board having four switch terminals on one side of the board, three of the terminals being arranged in a triangle and the fourth disposed within the triangle. Conductors on the one side of the board are respectively joined to the interior terminal and at least one of the three terminals. A conductive, generally triangular, snap-acting dome switch member is provided having arcuate apices, projections being respectively formed from the apices and respectively engaging the three terminals thereby spacing the periphery of the switch element from the one surface of the printed circuit board and the conductors thereon, at least the conductor connected to the interior terminal extending under the dome.

Abstract: A keyboard switch assembly including a printed circuit board having four switch terminals on one side of the board, three of the terminals being arranged in a triangle and the fourth disposed within the triangle. Conductors on the one side of the board are respectively joined to the interior terminal and at least one of the three terminals. A conductive, generally triangular, snap-acting dome switch member is provided having arcuate apices, projections being respectively formed from the apices and respectively engaging the three terminals thereby spacing the periphery of the switch element from the one surface of the printed circuit board and the conductors thereon, at least the conductor connected to the interior terminal extending under the dome.