Abstract: Compounds of the formula ##STR1## wherein R.sub.1 and R.sub.2 are independently lower alkyl or hydrogen, provided that only one of R.sub.1 and R.sub.2 is hydrogen,R.sub.3 is --(A)q--COOR.sub.4 or CN whereA is alkylene of 1 to 6 carbon atoms,R.sub.4 is alkyl of 1 to 24 carbon atoms, phenyl or alkyl substituted phenyl,X is S or 0,R.sub.6 is phenylene, alkyl substituted phenylene or alkylene, andq is 0 or 1 are suitable for stabilizing organic material against thermal, oxidative and ultraviolet light degradation.

Abstract: Nonflammable textile fibers and the process of producing such fibers, which fibers are composed of a polymer, such as an olefinic polymer, containing in combination a nonflammable amount of a trihydrate of aluminum oxide, preferably a silane-coated oxide, and a halogenated organic polyphosphonate compound or a halogenated organic compound or a combination of such halogenated compounds.

Abstract: Flameproof reinforced and/or filled polyamide moulding compositions containing a combination of red phosphorus and phenol/aldehyde resins as flameproofing agent.

Abstract: Materials suitable for lining vessels designed to hold molten iron or steel are provided herein. These materials are made of burned dolomite, containing 1-6% of a natural glyceride oil or a mixture of such oils and 2-6% by weight of a dry inorganic particulate bonding agent, such as potassium silicate or phosphate.

Abstract: An aqueous-alcoholic, foam-growth-controlling printing ink composition having a pH in the range of from about 8 to about 12 of use in the chemical embossing of heat-foamable and expandable resinous materials comprising: (1) from about 1% to about 15% of a foam-growth-controlling chemical agent, such as benzotriazole; (2) from about 1% to about 9% of a water-soluble or water-dispersible alcohol having from 1 to 6 carbon atoms, such as isopropanol; (3) from about 1% to about 11% of a pH controlling or buffering agent, such as ammonia or a water-soluble or water-dispersible alkyl-aminoalcohol having from 2 to 10 carbon atoms, such as 2-dimethylaminoalcohol, capable of creating or maintaining the pH of the aqueous-alcoholic, foam-growth-controlling printing ink composition in the range of from about 8 to about 12; (4) from about 30% to about 75% of an aqueous printing ink composition; and (5) from about 10% to about 40% of added water, all these percentages being by weight.

Abstract: A novel process is provided for preparing a methylenebis(2-hydroxy-4-alkoxybenzophenone), comprising forming a novel 2-hydroxy-4-alkoxyacyloxymethylbenzophenone by a reaction of a 2-hydroxy-4-alkoxybenzophenone with a carboxylic acid and formaldehyde, and causing the 2-hydroxy-4-alkoxyacyloxymethylbenzophenone to react with a 2-hydroxy-4-alkoxybenzophenone in the presence of an acid catalyst.Both the acyloxymethylhydroxyalkoxybenzophenone and methylenebis(2-hydroxy-4-alkoxybenxophenone) which are prepared according to this invention are useful to prevent-degradation of organic materials, particularly as light stabilizers for synthetic resins.

Abstract: A fluorescent printing ink for non-impact type application, especially used for coding purposes, in which the fluid ink composition is formulated of an organic solvent base containing 0.005 to 2.0% by weight fluorescent dye, up to 60% by weight resinous binder, up to 5% by weight of an organic brightener, and 0.1 to 3.0% by weight organic phosphor, and which also includes an evaporation retardant in an amount within the range of 2 to 30% by weight and an alkali metal thiocyanate in an amount up to 2% by weight, and in which the ingredients are all dissolved in the organic solvent.

Abstract: Flame-proofed, unreinforced unfilled polyamide moulding compositions containing as a flame-proofing combination a mixture of a phenol/aldehyde condensation resin and red phosphorus.

Abstract: Thermoplastic copolyetherester elastomers are stabilized against heat and light aging by incorporating into the copolyetherester effective concentrations of a phenolic antioxidant and a hindered amine photostabilizer of the formula ##STR1## where R.sub.1 is hydrogen or an alkyl radical of 1-12 carbon atoms, R.sub.2 and R.sub.3 are alkyl radicals of 1-12 carbon atoms, benzyl, or 3,5-di-tert-butyl-4-hydroxybenzyl.

Abstract: Chlorosulfonated polyethylene stabilized with nickel dibenzyldithiocarbamate is more resistant to scorch before curing than compositions with other heat stabilizers but has equal or better stability to degradation by heat after cure.

Abstract: A heat sensitive recording member capable of acquiring a stable color in selected regions contrasting with the background color of the coated substrate upon exposing these regions to an elevated temperature and comprising a paper or polymeric film substrate and a heat sensitive coating comprising (1) an adduct or mixture of color-forming lactones or spiropyrans with a cyclic polyketo color precursor, (2) a polymeric binder which bonds the reactants to the substrate and optionally (3) a molecular complex between a phenolic compound and an amine and/or an activator to lower the temperature of color formation.

Abstract: In accordance with certain of its aspects, the novel process of this invention for making pressure-sensitive record sheets comprises the steps of forming a dispersion of microcapsules, the microcapsules being the product of microencapsulating a solution of a color precursor in an oil carrier; the walls of the microcapsules being substantially oil and water impermeable; forming an aqueous mixture containing a color developer for the encapsulated color precursor; adding a color suppressant to the dispersion of microcapsules, to the aqueous mixture or partially to both in an amount or amounts effective to substantially prevent color formation between the color developer and any unencapsulated color precursor; the color suppressant being a nitrogen containing basic organic compound selected from the group consisting of: amines, imines and aziridines; combining the aqueous mixture containing the color developer, the color suppressant and the microcapsules to form an aqueous coating composition; and applying the aq

Abstract: The invention relates to a process for the stabilization of halogen-free or halogen-containing synthetic polymers against the degradation by light and heat, which comprises the addition of special 1,3,5-triaza-7-adamantanyl ureas to the polymers.

Abstract: New polyalkylated 4-aminopiperidine derivatives contain in their molecule two or three piperidine rings, each having two alkyl substituents at both the 2- and the 6- positions, optionally having substituents at the 1- and 3- positions and having an amino substituent at the 4- position. The piperidine rings are joined together by attachment of the 4-amino substituents through, where there are two piperidine rings, a polyalkylene, polyether or polyester chain, or through, where there are three piperidine rings, an isocyanurate or glycerol system. These compounds and their acid addition salts are useful as stabilizers for synthetic polymers.

Abstract: Organic materials are stabilized against oxidative and ultraviolet light degradation by incorporating therein polyalkylthiobenzenes having the formula ##STR1## WHEREIN R is alkyl or cycloalkyl, R' is alkyl, n is 2 to 6 and x is 0 to 4, provided that n+x is not greater than 6.

Abstract: Disclosed are halobenzene sulfonates, and flame resistant polymer compositions containing the sulfonates.

Abstract: Non-dripping, self-extinguishing polyurethane elastomers comprising, a hexaalkoxymethylmelamine; an organic halogen-containing a compound and a P-substituted phosphocyclopentane 1-oxide incorporated into a polyurethane elastomer.

Abstract: A crosslinkable, especially photopolymerizable urethane resin soluble in organic solvent, suitable as starting materials for photoresist lacquers and for the production of photopolymer printing plates comprising a reaction product of a polyepoxide having more than one 1,2-epoxide group per molecule with acrylic and/or methacrylic acid so that from 60 to 100 mole % of the 1,2-epoxide groups are converted into .beta.-hydroxy acrylic or methacrylic ester groups; 30 to 90 mole % of said .beta.-hydroxy ester groups having been reacted with an isocyanate and subsequently 10 to 70 mole % of said .beta.-hydroxy ester groups having been converted into acid semiester groups with a cyclic dicarboxylic acid anhydride.

Abstract: Hydantoin derivatives in which two or three piperidine spiro hydantoin residues are attached by means of substituted alkylene groups or polyoxyalkylene groups whose oxyalkylene chain is optionally interrupted by one or more phenylene or cyclohexylene groups or by means of substituted isocyanurate or glyceryl groups and, where they exist, acid addition salts thereof, are valuable as stabilizers for synthetic polymers.

Abstract: Block copolymer of the structure A-B wherein:A is a polylactone block of recurring units: ##STR1## wherein PM is a linear polymethylene chain having from 2 to 13 carbon atoms,B is a polyoxymethylene block of recurring units --CH.sub.2 O--. The block copolymer contains at least 2 wt.% of block B and at least 0.1 wt.% of block A.The block copolymer can be used as modified polyacetal when rich in block B, or as special additive for plastics materials when rich in block A.