Abstract: A process is provided for producing a high quality lubricating oil base stock in increased yield. The process includes a hydrocracking step employing a catalyst composition comprising a zeolite of the faujasite type, e.g., zeolite USY, possessisng a silica:alumina ratio of at least about 50:1, and a hydrogenation component.

Abstract: The invention provides certain N-alkylalkylenediamine amides and their use as friction reducing additives in lubricants. They are also antioxidants and are useful in applications where additives are not corrosive to copper.

Abstract: Substrates such as aggregates, particularly for roadbuilding, are coated with asphalt by foaming the asphalt and mixing the hot asphalt foam with the aggregate. The asphalt is foamed by dispersing water in the hot asphalt as to maintain the water in the liquid phase and then vaporizing the water to form the foam structure.

Abstract: A plastic film sack having gussetted side walls, and in the bottom of said sack, a heat-seal stripe welding together the four film layers in the gusseted regions of the sack and a heat seal stripe welding together the two film layers between said gusseted regions; and between the heat-seal stripes of the four film layers and the heat-seal stripe of the two film layers are unsealed, arcuate stress-relief regions and the method of forming the same.

Abstract: A flow cell assembly for studying fluid flow through a disc-shaped sample, comprising inlet and outlet housings which are positioned on opposite sides of the test sample by means of sealing rings having a flat gasket which contacts the face of the test sample and an O-ring which contacts the inside edge of inlet and outlet chambers formed in the housings. Assembly is such that the housings are spaced apart when the sample is positioned therebetween. The peripheral outer edge of the sample is sealed against leaking by a coating of a two-part epoxy and/or a heat shrink material tape.