Abstract: A toy, game or other play device wherein a trackway, slide, maze or other play surface is coated with super-hydrophobic material that is highly water repellent, whereby a drop of water applied thereto forms into a ball that can then be manipulated by a player to carry out predetermined play activities. Alternatively, a tiny vehicle or other toy body having a hydrophilic coating thereon may be wetted with water and placed on the super-hydrophobic surface whereby the slightest force applied thereto causes the body to skim at high speed over the surface.

Abstract: A hybrid lubricant in which a stabilized, colloidal dispersion of solid lubricant particles (PTFE) is uniformly dispersed in a fluid lubricant carrier including a small amount of halocarbon oil. When the hybrid lubricant is diluted with a major amount of a conventional fluid lubricant, it functions in the environment of rubbing surfaces and reacts therewith to develop a layer of solid lubricant on these surfaces whereby the surfaces then have the benefit of both solid and fluid lubrication, thereby minimizing friction under all operating conditions regardless of their severity.

Abstract: An adapter making it possible for the pilot of an aircraft equipped with a navigation-communication system whose audio output is permanently connected to a loudspeaker to hear well with ordinary earphones without interfering with the concurrent operation of the loudspeaker. The adapter is constituted by a battery-operated Darlington amplifier whose high-impedance input is connected across the relatively low impedance audio output of the system whereby virtually no load is imposed thereon. The low-impedance output of the amplifier is connected to the earphones in series with a volume control resistor whereby a reduction in volume results in a diminished current drain, thereby prolonging battery life. A redundant power supply is provided constituted by two cells and a switch adapted to connect either of the cells individually or both cells in series to the amplifier so that even after both cells are close to exhaustion, they are still capable of powering the amplifier.

Abstract: A direct-acting pressure sensor of the elastic type capable of operating effectively in a very low pressure range. The sensor includes a flexible bladder of non-metallic material anchored at one end to a fluid input socket which communicates with the internal chamber of the bladder, the closed end of the bladder having an eyelet therein through which extends a spring wire. One end of the wire terminates at the socket while the free end thereof functions as a scale pointer. When fluid is fed to the bladder through the input socket, the bladder, which in the absence of pressure is coiled to assume a C-shaped configuration, is caused to uncoil to an extent determined by the applied pressure. The wire engaged by the uncoiling bladder is caused to deflect to provide a scale reading indicative of pressure.

Abstract: A sealing compound for pipe joints which has a pastelike consistency and is formulated from inert filler particles, an aqueous dispersion of fluorocarbon particles, an acidic gelling agent and an alkali activator for the gelling agent in a relative quantity producing a neutral pH, the activator including an ingredient which imparts freeze-thaw stability to the compound.

Abstract: Silver sulfadiazine has been found to be therapeutically useful when administered orally or subcutaneously in doses not exceeding 1,050 mg/kg. It also has been found that radioactive derivatives of silver sulfadiazine localize in tumors, the resultant radiation within the region of the tumor serving to eradicate malignant cells.

Abstract: A test unit for indicating the presence of water and other contaminants in aircraft fuel. The unit is constituted by a transparent cylinder closed at its bottom and having a filter element therein which divides the cylinder into an upper chamber and a lower chamber. Mounted at the top end of the cylinder and projecting therefrom is a valve-actuating pin adapted to engage the sump drain valve in the fuel tank to be tested to cause a fuel sample to flow into the upper chamber. The filter element is formed of a selectively-permeable hydrophobic material which blocks the flow of water and other contaminants and is permeable only to the fuel whereby should the fuel contain contaminants, the pure fuel will pass into the lower chamber and the contaminants will be retained in the upper chamber.

Abstract: An assembly for maintaining the leg of a patient lying on a table at an elevated position thereabove to facilitate examination or treatment of the leg. The assembly is constituted by a stand having a hooked head at a height well above the table surface, and a sling formed by a loosely woven, open mesh net in a hammock-like formation, the ends of the sling having extensions terminating in rings or other couplers which are attachable to the hooked head of the stand. When the heel of the patient's foot is nested in the hammock, the net conforms to the contours of the foot to securely hold the leg in a raised position without masking the foot, whereby an antiseptic solution may be applied to the foot surface through the interstices of the net.

Abstract: A lubricant having boundary layer properties to minimize friction between contacting metal parts under low-speed, high-load conditions. The lubricant is constituted by an oil intermixed with a dispersion of microfine fluorocarbon particles having an extremely low-coefficient of friction, the dispersion being stabilized by a charge-neutralizing agent such as a silane.

Abstract: The technique for forming on a substrate an abrasion-resistant layer having super-hydrophobic properties. Applied to the face of the substrate which has an inherently hydrophobic micro-pile formation are hydrophobic fumed silicon dioxide particles dispersed in a hydrophobic solvent. Dissolved in the solvent is a resinous binder in a small but effective amount which, by weight, is substantially less than one half the amount of the particles in the dispersion. Upon volatilization of the solvent, the resultant layer is composed primarily of fumed silicon dioxide particles strongly bonded to the face of the substrate.