Abstract: A sulfonated water-soluble or water-dispersible polyester resin composition comprises a prepolymer resin, which prepolymer resin is further reacted with about 0.10 mol to about 0.50 mol of an alpha, beta-ethylenically unsaturated dicarboxylic acid per 100 g of prepolymer resin and a thus-produced resin, terminated by a residue of an alpha,beta-ethylenically unsaturated dicarboxylic acid, is reacted with about 0.5 mol to about 1.5 mol of a sulfite per mol of alpha,beta-ethylenically unsaturated dicarboxylic acid residue to produce a sulfonate-terminated resin. The prepolymer resin is (a) a reaction product of 20-50% by weight of terephthalate polymer, 10-40% by weight of at least one glycol and 5-25% by weight of at least one oxyalkylated polyol, preferably also comprising 20-50% by weight of isophthalic acid or (b) a reaction product of 20-50% by weight of terephthalate polymer, 10-50% by weight of at least one glycol and 20-50% by weight of isophthalic acid.

Abstract: A biodegradable mould material or polymer blend with a high resistance to moisture is obtained by mixing thermoplastically processable starch with a cellulose derivative, such as a cellulose ester.

Abstract: A process for reducing the level of extractables, whitening, and rendering a porous material non-contaminating where the porous material is comprised of bonded fluorocarbon fibers and a fluorocarbon chemical binder. The thermal bleaching process includes exposing the material for at least several hours to a vigorously agitated oxygen-containing atmosphere maintained at a temperature of at least 400.degree. F.

Abstract: A process for encapsulating a wide variety of target materials, including both hydrophilic and hydrophobic materials, employs condensation of two reactive compounds to form shells around core phase particles including target material dispersed in a continuous phase. One of the reactive compounds has at least two active methylene functional groups per molecule, the other being an active methylene-reactive crosslinking agent. Either type of the reactive compounds can be dispersed in the continuous phase, the other being dispersible in the core phase. Applications include controlled release microencapsulation of agriculture chemicals and biocides.

Abstract: The present invention relates to a sulfur vulcanized rubber composition containing 0.1 to 10.0 phr of an oligomeric maleimide of the formula: ##STR1## or a maleamic acid of the formula: ##STR2## wherein R and R.sup.1 are individually selected from the group of radicals consisting of hydrogen, an alkyl having 1 to 4 carbon atoms or a halogen; R.sup.2 is selected from the group of radicals consisting of 1 to 12 carbon atoms; X has a value of from 1 to 146 and n has a value of from 0 to 4.The presence of the maleimide oligomer or maleamic acid improve cord adhesion to the sulfur vulcanized rubber compound.

Abstract: A direct image type lithographic printing plate precursor according to this invention has an image-receiving layer on a support, said image-receiving layer containing at least one of nonaqueous type dispersed resin particles which are copolymer resin particles obtained by dispersion copolymerization of a monofunctional monomer A and a monofunctional monomer B in a nonaqueous solvent in the presence of a dispersion-stabilizing resin soluble in said nonaqueous solvent,said monofunctional monomer A containing at least one functional group which forms at least one hydrophilic group selected from a carboxyl group, a thiol group, a phosphono group, an amino group and a sulfo group upon decomposition, said monomer being soluble in said nonaqueous solvent but made insoluble therein upon polymerization, andsaid monofunctional monomer B containing a silicon and/or fluorine atom-containing substituent and being copolymerizable with said monofunctional monomer A.

Abstract: The present invention relates to an optical polycarbonate composition comprising a polycarbonate resin and a boron compound wherein the resulting composition undergoes little coloration during molding, and is capable of forming molded products having excellent transparency.

Abstract: A polyarylate film having optical isotropy and process for the preparation thereof are disclosed, in which the film satisfies the following relationship (1) and (2);W.gtoreq.1000-70,000 T.sup.2 (1)W.gtoreq.850-70,000 T.sup.2 (2)wherein the formula, T is a film thickness in mm and W is film width in mm, and the retardation value of the films (1) and (2) is not more than 20 n.m. and 10 n.m. over the whole range thereof, respectively.

Abstract: Assemblies of aligned tape automated bonding frames on a substrate, and a method of aligning a tape automated bonding frame to connection sites on the substrate. The method includes photolithographically patterning and etching metal to form a first pattern of signal leads and a second pattern of alignment leads. A semiconductor chip is bonded to the inner lead ends of the first pattern. Metal on a substrate is photolithographically patterned and etched to provide a third pattern of substrate connection sites and a fourth pattern of registration pads. The fourth pattern of registration pads has geometric and dimensional features which precisely correspond to those of the alignment leads. Moreover, the spatial relationship of the third and fourth patterns correspond to the spatial relationship of the first and second patterns. The corresponding geometric and dimensional features of the second and fourth patterns are aligned, whereafter the registration pads and the alignment leads are soldered together.

Abstract: This invention relates to medical devices formed totally or in part from homopolymers or copolymers comprising recurring carbonate moieties.

Abstract: Reinforced polymer blends with improved mechanical properties are produced from a blend of a polyketone polymer and an uncured phenolic-based novolac resin, reinforced with glass fibers.

Abstract: The present invention relates to a magnetically active organometallic Schiff base polymer having a molecular weight of between about 4,000 and 50,000 daltons. In an additional aspect, the present invention relates to a process for the preparation of magnetically active organometallic polymer having a molecular weight of between about 4,000 and 50,000 daltons, wherein the polymer comprises a multiplicity of Schiff base tridentate chelating groups having the capacity to combine with the iron (II) or iron (III) ion of an organic salt, which process comprises:(a) combining at least one organic diamine including hydrazine with at least one organic diketone or dialdehyde in an anhydrous dipolar aprotic solvent for a time sufficient to produce to polymer at a temperature of between about 50.degree. C. and 200.degree. C.

Abstract: Provided are certain novel substituted 2(5H)furanone compounds which are useful as ultraviolet/visible light absorbing compounds. Also provided are polyester compositions having such compounds copolymerized therein and shaped or formed articles comprised of such polyester compositions.

Abstract: A polyarylate is formed by reacting a mixture of esters of a dihydric phenol and trisphenol, at least one aromatic dicarboxylic acid, an alkali metal catalyst, an inert diluent having a boiling point of from about 200.degree. C. to about 300.degree. C. Polyarylates of improved shear sensitivity and higher molecular weight can be formed.

Abstract: A reactive oligoimide which is chemically etchable upon crosslinking, and which may serve as an adhesive for bonding at least one layer or film to another layer, preferably a flexible metallic layer to a flexible layer of an etchable polyimide, in order to form a flexible multilayer metal-clad laminate.

Abstract: A polyanhydride suitable for use as a matrix material in controlled delivery devices polymerized from monomers of the general formula: ##STR1## wherein R, R', and R" are the same or a different aliphatic chain of C.sub.1 to C.sub.20 or hydrogen; m, n, and p are integers from 0 and 20; y is 0 or 1; and, if y is 0, one of R or R' is not H.

Abstract: Polyarylene ethers which, based on the total amount of the structural units present in the polyether resin, contain 2-100 mol % of a recurring structural unit of formula I ##STR1## and 0-98 mol % of a recurring structural unit of formula II wherein each a is 1 or 2, 10 to 100% of X, based on the total number of the bonds X present in the structural units of formulae I and II, are --SO.sub.2 --, and 0 to 90% of X are --CO--, and A is a group of formula IIIa-IIIg: ##STR2## wherein Y is --CH.sub.2 --, --C(CH.sub.3).sub.2 --, --C(CF.sub.3).sub.2 --, --S--, --SO--, --SO.sub.2 --, --O-- or --CO--, and the aromatic rings in the structural units of formulae I and II are unsubstituted or substituted by one or more alkyl groups of 1 to 4 carbon atoms, have good solubility in organic solvents and are suitable preferably for modifying other plastics materials or for use as matrix resins for the production of fibrous composite structures.

Abstract: A process for preparing a toner donor roll having an integral electrode pattern involving: (a) providing a cylindrically shaped insulating member; (b) coating the insulating member with a photoresist; (c) patterning the photoresist by exposure to light, resulting in a first photoresist portion corresponding to the electrode pattern and a second photoresist portion corresponding to the remainder of the photoresist; (d) removing the first photoresist portion, thereby exposing the portion of the insulating member to be overlaid with the electrode pattern; and (e) depositing conductive metal on the portion of the insulating member formerly overlaid with the first photoresist portion, resulting in the electrode pattern.

Abstract: A method for fabricating an electrically conductive article of manufacture, comprising printing an image corresponding to the article of manufacture onto an expungeable substrate using a conductive ink or conductive toner material and subsequently disposing of the expungeable substrate having the image thereon so that only the article of manufacture remains. The method is particularly adapted for use in producing a control grid of a corona generating device as utilized in electrostatographic printing apparatus.

Abstract: In a continuous process for the manufacture of aromatic polyesters by polycondensation of mono- or multi-nuclear substituted or unsubstituted diphenols, with halides of aromatic dicarboxylic acids according to the two-phase interface polycondensation process, the first step is to produce continuously a fine pre-emulsion with an organic solvent and from the aqueous phase, consisting of a solution obtained from the diphenols, of an alkaline hydroxide in order to form the diphenates and possibly of a phase transfer catalyst in water or in a mixture of water and of an organic solubilizer. This pre-emulsion is fed in quantities to a dispersion unit jointly with the organo-liquid phase forming the acid chloride solution.