Abstract: Flexographic printing plates are prepared from photosensitive elastomeric compositions which comprise(1) about 15 to about 89 percent by weight of a carbamated poly(vinyl alcohol) polymeric binder,(2) about 10 to about 70 percent by weight of a compatible monomer, and(3) about 0.1 to about 10 percent by weight of a free-radical generating system.

Abstract: The pressure indicator has a body provided with an attachment shank having a pressure fluid passage. A cylinder bore is located in the body and communicates with the passage. An end plug having a bore and a counterbore is threaded into the body. A piston is nested in the cylinder bore and has a piston rod axially extending through the cylinder bore and projecting through and outwardly of the plug. A compression spring is interposed between the plug and piston and yieldably biases the piston towards the fluid passage against the pressurized fluid. The improvement resides in the provision of a backup bushing nested within the plug bore which axially and guidably receives the piston rod. A cylindrical slide seal of a permanently lubricated material is nested within the plug bore and projects into and depends from the bushing in sealing engagement with the piston rod.

Abstract: Water-borne reaction products of (a) carboxyl-functional polymers; (b) polyepoxides; and (c) tertiary amines are useful as film-forming components of coating compositions which can be spray-, flow-, dip-, roller-, or electro-coated. The coating compositions are useful as such or can be crosslinked with crosslinking agents such as a nitrogen resin and, when coated on metal and paper substrates, they provide coatings of improved properties, including a high degree of flexibility during machining and stamping of the coated articles, corrosion resistance, gloss, hydrolytic stability, and nonadulterating of foods and beverages in contact therewith.

Abstract: An apparatus for transmitting force between a wheeled cart and an in-floor conveyor chain that includes a pin mounted on the cart which pivots out of engagement with the chain when a predetermined thrust is exceeded. A bumper connected to the pin via a resilient link assists the pin in retracting from engagement with the chain when the bumper strikes an obstacle in the path of the cart.

Abstract: A security paper is provided in which identifying material is contained in a plane within the thickness of a bonded, nonwoven polyethylene film-fibril sheet having an opacity of at least 70% and a determination resistance of at least 60 grams per centimeter. A process for making such paper includes forming an assembly of two unbonded, lightly consolidated, nonwoven, polyethylene film-fibril sheets containing identifying material between them, compressing the assembly in an unheated nip at 17 to 85 kilograms per centimeter of assembly width and then self-bonding the compressed assembly while under restraint by contact with a heated drum. Such security paper is useful for bank notes, stock certificates, paper currency and the like.

Abstract: Thermoplastic segmented copolyester elastomer consisting essentially of a multiplicity of recurring short chain ester units and long chain ester units joined through ester linkages, said short chain ester units amounting to 15 to 75 percent by weight of said copolyester and being derived from dicarboxylic acid such as an aromatic acid, e.g., terephthalic acid or a mixture of terephthalic acid and isophthalic acid, and an organic diol such as butanediol, and said long chain ester units amounting to 25 to 85 percent by weight of said copolyester and being derived from dicarboxylic acid such as an aromatic acid, e.g., terephthalic acid, or a mixture of terephthalic and isophthalic acids, and a long chain glycol such as polytetramethylene ether glycol, said copolyester having a melt index of less than 150 and a melting point of at least 90.degree. C., modified with 0.

Abstract: The vacuum indicator has a body with an attachment shank having a fluid passage. A cylinder bore is located in the body and communicates with the passage. An end plug having a bore and a counterbore is threaded into the body. The bore of the end plug terminates at the inner end in a first annular flat abutment surface which faces one end of the body. The counterbore terminates in a second annular flat abutment surface which is located between the inner and outer ends of the plug and forms one end of the plug bore. A piston is nested in the cylinder bore and has a piston rod secured thereto, with the piston rod projecting axially through and outwardly of the end plug. An annular bearing element is located in the plug bore and surrounds the piston rod. The piston has an annular end surface facing the first abutment surface. A compression spring is interposed at its ends between one end of the cylinder bore and the piston and yieldably biases the piston towards the first abutment surface.

Abstract: Separation of 2,4-tolylene diisocyanate from a mixture of 2,4- and 2,6-tolylene diisocyanate by cooling the mixture of isocyanate by passage through a heat exchanger to crystallize a portion of 2,4-tolylene diisocyanate to form a slurry containing no more than about 25% by weight 2,4-tolylene diisocyanate crystals suspended in mother liquor, maintaining the resulting slurry for a nominal residence time of at least about 2 hours at about a constant temperature and centrifuging the slurry to separate 2,4-tolylene diisocyanate crystals from the mother liquor.

Abstract: Apparatus for particular use in approximating the respective ends of two vas segments that are to be sutured together in a vasectomy reversal, the apparatus including two special clamp assemblies, each for gripping a separate vas segment, and a rotatable lead screw, to which the clamps are coupled, for controllably moving the clamps together. Each clamp includes two concave jaws that are movable toward each other to form a substantially cylindrical seat for conformably receiving and gripping the corresponding vas segment with a controllable pressure, whereby the segments are held in precise axial alignment, without any significant deformation. The two clamps are coupled to the lead screw via separate lead nuts disposed on oppositely threaded portions of the screw, whereby controlled rotation of the lead screw causes the clamps, and thus the vas segments being gripped, to be controllably approximated.

Abstract: A polyamine/epoxy ether graft copolymer having an acrylic polamine backbone with secondary amine and hydroxy functionality, part of which is terminal primary hydroxy groups, onto which is grafted an epoxy ether. The ether is an epoxy resin preferably reacted with nonylphenol resulting in a monoepoxide ether with one or less epoxy group per epoxy ether molecule. The ether is reacted with part of the secondary amine on the acrylic backbone. This system can be formulated to a nearly-neutral pH cathodic dispersion with good cure response at 150.degree.-175.degree. C. using conventional aminoplast crosslinkers.

Abstract: A two-pole inductorless monolithic crystal filter device comprising first and second spaced electrodes mounted on one face of the device, third and fourth spaced electrodes mounted on the opposite face of the device in superimposed relationship with the first and second electrodes, a first capacitor coupled between the first and fourth electrodes, means electrically coupling the second and third electrodes, and a second capacitor coupling the second and third electrodes to a point of reference potential with the first electrode and point of reference potential being designated as input terminals and the fourth electrode and point of reference potential being designated as output terminals.

Abstract: Automatic towel dispenser has a box-shaped housing provided with a washing chamber and a drying chamber for an endless towel to be guided therethrough, the towel having a cleaned partial length thereof available for respective use and being guidable over a locking device for limiting the clean partial length of the towel to be withdrawn and guided outside the housing between an outlet opening and an inlet opening formed in the housing, a first storage chamber located in the housing between the inlet opening and the washing chamber for variably piling up therein a plurality of used partial lengths of the towel, and a second storage chamber located in the housing between the drying chamber and the outlet opening for variably piling therein a plurality of cleaned partial lengths of the towel, and means being activatable, upon the emptying to a given extent of the cleaned partial lengths of the towel in the second storage chamber, for passing used partial lengths of the towel through the washing and drying chambe

Abstract: 3-Fluorobenzodiazepines, such as 3-fluoro-1,3-dihydro-1-methyl-7-chloro-5-phenyl-2H-1,4-benzodiazepin-2-one , useful as tranquilizers, muscle relaxants, and sedatives.

Abstract: Photopolymerizable compositions containing(1) a polymer having a plurality of salt-forming groups,(2) an ethylenically unsaturated compound having at least one complementary salt-forming group,(3) an ethylenically unsaturated diester polyhydroxy polyether of the formula ##STR1## where R is H or CH.sub.3 ; R.sup.1 is H or an alkyl group of 1-4 carbon atoms; n is 1-15; p is 0 or 1; and when p is 1, R.sup.2 is H or CH.sub.3, and R.sup.3 is H, CH.sub.3 or C.sub.2 H.sub.5 ; and(4) a radiation-sensitive, free-radical generating systemprovide photopolymerizable elements which have outstanding photospeeds and are relatively insensitive to oxygen.

Abstract: A layer including magnetizable material and a pigment of lower magnetic susceptibility in a settable coat are subjected to a selectively applied magnetic field gradient in the layer while the coat is unset to cause the magnetizable material to selectively break through the pigment. The coat is then set, while the materials remain in position, to produce a detectable pigmentation pattern of said break-through. The magnetic material may itself be a pigment and break-through the first one to produce an eye-visible pattern. The magnetizable material forms a magnetic susceptibility distribution pattern equivalent to the pigment break-through pattern.The layer having the pigment pattern may be used as a security feature in, e.g. a security document, both the patterns being alterable, once the coating has set, only by damage to the layer.

Abstract: High modulus filaments are melt-spun from polyesters which are derived from 3,4'-dihydroxybenzophenones or 3-hydroxy-4'-(4-hydroxyphenyl-)benzophenone and terephthalic, 2,6-naphthalene dicarboxylic, or bibenzoic acid. The polyesters are optically anisotropic in the melt. As-spun filaments from these polyesters can be heat treated while free from tension to increase their tenacity.

Abstract: A boucle yarn is prepared by relaxed heat treatment of a precursor yarn prepared by combination of a low shrinkage filament or yarn or monofil at the back of the front roller of a spinning frame with a roving of high shrinkage fibers followed by twisting to a twist multiplier of 1.5 to 4.0. The shrinkage differential between the high shrinkage fibers and the low shrinkage fibers must be at least 20%.

Abstract: Fluorovinyl ether polymers consisting essentially of 60 to 99.9 mole percent of monomeric units --CF.sub.2 CFY-- and 0.1 to 40 mole percent of the structural units ##STR1## wherein Y is F, H, Cl, Br, R.sub.f or OR.sub.f, R.sub.f is perfluoroalkyl, R is alkyl, Q is F or OR, and m is 0 or 1, are prepared by contacting a fluoropolymer of the formula (CF.sub.2 CFY).sub.x wherein at least 1% of the Y's are reactive sites selected from the group consisting of H, Cl and Br, with an alkali or alkaline earth metal alkoxide.Electrolytic cell diaphragms are prepared by forming the above fluorovinyl ether polymer and fibrous material into a diaphragm, heating the diaphragm thereby converting alkyl ether groups to carbonyl groups, and treating with an alkali metal hydroxide thereby converting carbonyl groups to carboxylate ion groups.

Abstract: A graft copolymer having a polymeric backbone with pendent hydroxyl groups; wherein the hydrogen atom of at least the one the hydroxyl groups is replaced by the formula ##STR1## where R is an aliphatic group, a cycloaliphatic group or an aromatic group; R.sup.1 is an alkylene group having 2-6 carbon atoms, R.sup.2 is a polymer segment of a vinyl addition polymer, such as butyl acrylate/hydroxyethyl acrylate; coating compositions of this copolymer can be cross-linked with conventional cross-linking agents such as an alkylated melamine formaldehyde resin or an organic polyisocyanate and coating compositions useful for flexible elastomeric substrates can be prepared from this copolymer.

Abstract: A process for preparing a furan compound by contacting a diolefin such as butadiene with a catalyst at a low pressure and a low temperature is provided. In this process, a diolefin, an oxygen-containing gas and water containing HCl are contacted with a catalyst which is a support having deposited thereon copper chloride, and alkali metal chloride and at least one of palladium chloride and iodide, usually cuprous iodide. Temperature of the reaction is usually in the range of about 80.degree.-125.degree. C. and the pressure is usually in the range of about 1-5 atmospheres. Cyclic operation between furan production and catalyst oxidation is also provided.