Abstract: A continuous process for the preparation of a dispersion of liquid and resin or polymer particles having at least one additive dispersed in the resin comprisingA. introducing an intimate blend of resin and at least one additive continuously into or blending the ingredients in an apparatus having means for melting the resin and dispersing the additive in the resin,B. melting the resin in the apparatus at an elevated temperature but below that at which the resin and/or additive decomposes,C. moving continuously the blend of melted resin and additive through at least one mixing element of the apparatus dispersing thoroughly the additive in the melted resin (molten blend),D.

Abstract: Compositions having the nominal formulaTl.sub.e Pb.sub.a Ca.sub.b Sr.sub.c Cu.sub.d O.sub.xwherein a is from about 1/10 to 3/2,b is from about 1 to 4,c is from about 1 to 3d is from about 1 to 5e is from about 3/10 to 1x=(a+b+c+d+e+y) where y is from about 1/2 to 3,are superconducting. Processes for manufacturing such compositions and for using them are disclosed.

Abstract: An optical switch for switching light from one leg of an optical circuit to another leg is characterized by an arrangement for altering the index of refraction of one of the legs with respect to the other leg. This results in a disparity in light velocity and a change in phase relationship for the light being propagated through the legs. When the legs are brought into a coupling region, there occurs a predetermined transfer of light from one leg to the other, depending upon the magnitude of the alteration in phase relationship between the light propagated in the legs.

Abstract: A coating composition useful for a finish for automobiles and trucks in which the film forming binder contains reactive binder components of about(a) 25-90% by weight, based on the weight of the binder, of an acrylic polymer having at least two reactive anhydride groups composed of polymerized monomers of an ethylenically unsaturated anhydride and polymerized monomers from the group consisting of alkyl methacrylate, alkyl acrylate and any mixtures thereof, wherein the alkyl groups have 1-8 carbon atoms and the polymer has a weight average molecular weight of about 2,000-50,000;(b) 5-50% by weight, based on the weight of the binder, of a glycidyl component having at least two reactive glycidyl groups;(c) 5-40% by weight, based on the weight of the binder, of a monomeric or oligomeric anhydride component; andthe composition contains about 0.1-5% by weight, based on the weight of the binder, of a catalyst.

Abstract: A filler composition that is suitable for use in the manufacture of paper, board, wet-laid non-wovens or other fibrous sheet materials comprises (preferably flocculated) filler particles (e.g. mineral fillers such as clay, talc or calcium carbonate) attached to fibres (e.g. synthetic organic fibres such as polyester or aramid fibres) by means of a coupling agent. These fibres generally have an average fibre length of 4 mm or more. Suitable coupling agents include oligomeric and other polymeric materials such as modified starch, cellulose ethers and derivatives thereof, modified natural gums, ketene dimers or poly(vinyl alcohol). Colloidal silica or colloidal bentonite clay may also be included. The filler composition is preferably added to the stock before the latter reaches the flowbox of the sheet-making machine. The invention allows high levels of filler to be achieved while maintaining satisfactory strength properties, in particular tear strength, in the sheet.

Abstract: A low-cost, high performance 1.times.N fiber optic coupler where N>16 is presented. The coupler has a GRIN lens having an first optic fiber aligned with the optical axis of the lens at one end of the lens. The first optic fiber ends in a microlens. At the other end of the GRIN lens a bundle of tapered second optic fibers is centered on the optical axis of the lens.

Abstract: Water-based pesticide compositions are disclosed that are effective to kill molluscs, insects, and small rodents. The compositions are resistant to washing away by water, yet retain moisture such that the texture of the composition is such that pests find it palatable even after extended periods of time have passed after application. The compositions are environmentally safe and do not pose a significant toxicological threat to humans and pets.

Abstract: An improved X-ray intensifying screen element containing a topcoat layer comprising an acrylonitrile-styrene copolymer optionally mixed with a carboxylated acrylic polymer and an active, phosphor layer having an adhesion promoting amount of a soluble, inorganic salt as described. The improved element exhibits strong adhesion between the topcoat and active layers and is eminently suitable for the rough handling encountered when these elements are used in autochangers and the like.

Abstract: Metal residues are extracted from poly(ether ketone ketones) with aliphatic alpha-hydroxycarboxylic acids or aromatic ortho-hydroxycarboxylic acids in a liquid phase, either neat or in an aqueous or a nonaqueous solution. Extraction of metal residues, which usually derive from the catalysts used in the preparation of poly(ether ketone ketones), improves both the color and the thermal stability of these polymers.

Abstract: Preforms and composite articles from carbon fiber reinforced matrix resins braided to shape on a mandrel and then converting to a final composite article by fully or partially curing in a mold followed by post curing if required.

Abstract: This invention relates to a composition comprising a mixture of herbicidal compounds and a method for controlling the growth of undesired vegetation in upland cereal and rice crops by applying to the crop after transplantation or emergence an effective amount of certain sulfonylurea herbicides, alone or the above composition comprising a mixture of herbicidal compounds.

Abstract: A blend of tetrafluoroethane refrigerant with at least one polymer of the following: (a) an acrylic polymer having the formula ##STR1## where R is at least one alkyl group selected from CH.sub.3, C.sub.2 H.sub.5, C.sub.3 H.sub.7 and C.sub.4 H.sub.9 ; andx is an integer from 3 to 20;and (b) random copolymers from at least one alkyl acrylate monomer wherein the alkyl group may be anywhere from CH.sub.3 -- to C.sub.18 H.sub.37 -- provided that the average chain length of the alkyl groups in a major portion of said copolymer contains from 1 to 4 carbon atoms, and, optionally, with at least one other polar or nonpolar vinyl monomer said polymer (homopolymer or copolymer) having an SUS viscosity at 100.degree. F. of at least 50 and a pour point of less than -20.degree. C. is disclosed for use in compression refrigeration.

Abstract: A pharmaceutical composition is disclosed, which contains a short-acting .beta.-blocking compound of the formula ##STR1## wherein R.sub.1 may be an alkyl, cycloalkyl, alkenyl, alkynyl, alkyl carboxymethyl, aryl carboxymethyl, aryl or aralkyl, A may be an alkylene or alkenylene, X may be independently amino, hydrogen, halogen, hydroxy, alkoxy, aryloxy, aralkyl, cyano, amido or trifluoromethyl, n is an integer from 1 to about 4, R may be an alkyl, propargyl, dimethylpropargyl or hydroxyalkyl; or a pharmaceutically acceptable salt thereof in a hydroalcoholic solution further containing a physiologically acceptable buffering agent, ethanol and a physiologically acceptable liquid polyhydric compound. A method for treatment or prophylaxis of cardiac disorders using the composition of the present invention is also disclosed.

Abstract: Process for the preparation of fluorinated alkanes by contacting alkenes with HF in the presence of TaCl.sub.2 or TaBr.sub.5.

Abstract: Rotor of a magnetomotive device has a discrete permanent magnetic and a ferromagnetic core injection molded within a synthetic plastic body in the form of a flywheel. The core is of integral, laminar construction and includes hub and counterweight portions and a pair of radially extending, circumferentially spaced arm portion. At their outer ends, the arm portions terminate in pole shoes with opposed, undercut edges to retain the discrete permanent magnet therebetween. Each of the arm portions has a laterally extending shoulder portion and, at their inner ends, connect to the hub by narrow neck or stem portions which are resiliently flexible. From the center of rotation of the rotor, the stem portions are each disposed along a given radius.

Abstract: Copolyamide desalination membranes formed by interfacial polymerization on a microporous support are disclosed. The copolyamide is formed by copolymerization of m-phenylene diamine with cyclohexane-1,3,5-tricarbonyl chloride and any of isophthaloyl chloride, terephthaloyl chloride, alkylene diacyl chlorides containing 4 to 12 carbon atoms, cyclohexane dicarbonyl chlorides and mixtures thereof wherein the average functionality of the acyl chlorides is from 2.20 to 2.80.

Abstract: Methods of making assemblies and assemblies for interconnecting optical fibers and use in integrated optical systems. The optical fiber connector assemblies include a pedestal having a step supporting an optical waveguide device having a buried waveguide. End portions of the step support means for receiving cores and cladding of optical fibers with the optical axes of the cores in alignment with the optical axis or axes of the waveguide.

Abstract: A permselective polyimide membrane having phenylindane residues incorporated into the polyimide backbone chain exhibiting high selectivity while maintaining good gas permeation rates and a process for using.

Abstract: Certain derivatives of stilbene and diphenylacetylene are capable of second harmonic generation when illuminated by coherent optical radiation.