Abstract: Sensitizers for photopolymerizable compositions, the sensitizers being .alpha.,.beta.-unsaturated ketones derived from acetyltetrahydronaphthalene or acetylindane and dialkylaminoaryl aldehyde; and the photopolymerizable compositions comprising said sensitizers.

Abstract: Alkyl methacrylate polymers which have one or more hydroxyhydrocarbyl end groups and a process for making them employing an anionic initiator followed by hydrolysis. The polyfunctional polymers are useful in automobile powder finishes and the monofunctional polymers are useful in polymer blends.

Abstract: Antibodies to the twenty-one acid peptide: (X-Ser-Tyr-Asn-Leu-Leu-Gly-Phe-Leu-Gln-Arg-Ser-Ser-Asn-Phe-Gln-Y-Gln-Lys-L eu-Leu).sub.n, where X is Met or Ser, Y is His or Cys and n is 1 to 12; peptide/protein conjugates and antibodies thereto; process for producing the antibodies; and processes for assaying human fibroblast interferon and for purifying it.

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: A method for producing a photopolymer image comprising (a) exposing, imagewise, a photosensitive element to actinic radiation, said element comprising a substrate coated with a photosensitive layer containing dispersed silver halide particles in operative association with a continuous film-forming phase of polymeric coupler, said coupler having (i) a number average molecular weight of about 2,000 to 100,000, (ii) a content of about 10 to 100 milliequivalents per 100 g of polymeric coupler of acidic methylene coupler groups and about 15 to 175 milliequivalents per 100 g of polymeric coupler of at least one of carboxylic, sulfonic and phosphonic acid groups, and (iii) the ability to couple with a monofunctional developing agent thus becoming water-insoluble; (b) developing (insolubilizing) the latent image; and (c) removing the undeveloped, soluble portion of the photosensitive element by washing with aqueous solvent.

Abstract: Diesters of the formula: ##STR1## wherein R is CH.sub.3 or C.sub.2 H.sub.5 and n is 0 to 10; vinyl ether monomers derived therefrom; copolymers of the vinyl ether monomers with one or more selected perfluorinated monoolefins; articles of manufacture made from the copolymers; process for making the diesters; process for using copolymer membranes in a chlor-alkali cell.

Abstract: Optically active tert-alkyl 7-2(oxo-5-carbonyloxypyrrolidinyl)heptanoates and their preparation by reaction of racemic tert-alkyl 7-(2-oxo-5-carboxypyrrolidinyl)heptanoate with an optically active amine to form resolved d or l amine salts which are then reacted with acid to form resolved acid intermediates. Esterification of these acid intermediates produces resolved d or l esters which are useful to make optically active 8-azaprostanoids having biological activity.

Abstract: Biologically active 8-aza-16,16-difluoroprostanoids having the formula: ##STR1## wherein A is CH.dbd.CH (cis or trans), C.tbd.C, or CH.sub.2 CH.sub.2 ;R is H, C.sub.1 -C.sub.12 n-alkyl, branched chain alkyl, or cycloalkyl, or a physiologically acceptable metal or amine salt cation;R.sup.1 is H, CH.sub.3, or C.sub.2 H.sub.5 ;R.sup.2 is CH.sub.3, CF.sub.3, phenyl, or mono- or disubstituted phenyl, the phenyl substituents being selected from the group F, Cl, CH.sub.3, OCH.sub.3, NO.sub.2, and CF.sub.3 ;n is an integer from 3 to 8 when R.sup.2 is CH.sub.3 or CF.sub.3, or from 0 to 2 when R.sup.2 is phenyl or substituted phenyl;as racemic stereo isomer mixtures, or single or mixed optically-active stereo isomers.

Abstract: Carboxylic ester and acyl fluoride groups are interchanged in the presence of a metal fluoride catalyst or a metal fluoride/strong sulfonic acid catalyst combination to produce fluorinated mono- and diacyl fluorides.

Abstract: Fluoroalkoxysulfur fluorides of the formula ##STR1## wherein R is H, CH.sub.3, CF.sub.3, or C.sub.2 F.sub.5, and n is 1 or 2; their preparation by reaction of lithium fluoroalkoxides with sulfur tetrafluoride; their use as fluorinating agents to replace OH groups in organic molecules with F; and halocarbon solutions of lithium fluoroalkoxides.

Abstract: The twenty-one amino acid peptides, (X-Ser-Tyr-Asn-Leu-Leu-Gly-Phe-Leu-Gln-Arg-Ser-Ser-Asn-Phe-Gln-Y-Gln-Lys-L eu-Leu).sub.n, where X is Met or Ser, Y is His or Cys and n is 1 to 12, useful for assaying human fibroblast interferon and for purifying it.

Abstract: A fractionable, elastomeric polymer of 1-butene consisting essentially of 30% to 80%, by weight, of an ether-soluble fraction having an intrinsic viscosity exceeding 1.5 and an infrared crystallinity value of about 1% to 15%; and 20% to 70%, by weight, of an ether-insoluble fraction having an infrared crystallinity value of about 20% to 55%; said polymer having an nmr isotacticity of about 20% to 50% and an intrinsic viscosity exceeding 1.5; elastomeric copolymers of 1-butene; polymer blends containing said elastomeric polymers; and a catalytic process for making said elastomeric polymers.

Abstract: Human interferons produced in the absence of added serum or sera can be purified to greater than 95% protein purity by adsorption on immobilized Cibacron Blue F3G-A and eluting the interferon adsorbed on the Cibacron Blue F3G-A with ethylene glycol in an aqueous buffer solution. The purified interferon in solution can be converted to interferon of uniform molecular weight by heating the interferon solution in the presence of an organic thiol compound.

Abstract: A process for purifying an aqueous solution of NaOH by removing suspended NaCl and Na.sub.2 SO.sub.4 impurities therefrom comprising bubbling a gas into the impurity-containing NaOH solution at a first stage temperature above 16.degree. C. up to 31.degree. C. and at a second stage temperature above 31.degree. C. up to about 36.degree. C., separating a foam layer containing NaCl and Na.sub.2 SO.sub.4 from NaOH at the first stage and a foam layer containing Na.sub.2 SO.sub.4 from NaOH at the second stage.

Abstract: Photosensitive, elastomeric compositions comprising(1) a high molecular weight carboxylated butadiene/acrylonitrile copolymer in which at least about 25% of the carboxyl groups are neutralized with a metal cation of Groups IIA or IIB of the Periodic Table,(2) an ethylenically unsaturated monomer, and(3) a free radical generating system, having outstanding properties as photosensitive elements for flexographic printing plates.

Abstract: Compositions useful as visible sensitizers for photopolymerizable compositions, the sensitizers being .alpha., .beta.-unsaturated ketones formed by condensing the acetyl or diacetyl derivative of 9,10-dihydro-9,10-ethano(or propano)anthracene with a p-dialkylaminobenzaldehyde; and the photopolymerizable compositions comprising monomer, sensitizer, and initiator, with or without a binder.

Abstract: A photopolymer initiator system comprising selected semiconductors, reducing agents and oxidizing agents, in combination, and their use in photopolymerization and cross-linking of ethylenically unsaturated monomers.

Abstract: Hydrocarbon fuel compositions containing at least one divalent tetracoordinated cobalt compound represented by the structure ##STR1## wherein: R.sub.1, R.sub.2 and R.sub.3 are each independently selected from hydrogen and C.sub.1-6 alkyl, andR.sub.4 is a branched C.sub.3-6 alkyl wherein the branching is on either or both of the number 1 and 2 carbon atoms of said alkyl group.

Abstract: Improved corrosion inhibitor compositions for hydrocarbon fuels consisting of mixtures of (a) about 75 to 95 weight percent of a polymerized unsaturated aliphatic monocarboxylic acid having about 16 to 18 carbons, and (b) about 5 to 25 weight percent of a monoalkenylsuccinic acid wherein the alkenyl group has 8 to 18 carbons. Also described are concentrates of the above compositions in hydrocarbon solvents, as well as fuels containing the compositions.

Abstract: A process for stabilizing acrylonitrile against color comprising adding thereto a color-inhibiting amount of formaldehyde. A solution composition comprising acrylonitrile and a color-inhibiting amount of formaldehyde.