Abstract: A new class of compounds, is disclosed, defined by the formula:R'.sub.2 N(CH.sub.2 CH.sub.2 NR").sub.y Rwhere R, R' and R" are equal or different and are ##STR1## wherein x is bromine or chlorine, n is an integer from 3 to 5 inclusive and y is an integer equal to or greater than 1.The compounds of the invention are useful as fire retardant agents.

Abstract: A process for the preparation of bromo-substituted aromatic esters of .alpha., .beta.-unsaturated acids of the formula ##STR1## wherein n is 1 or 2,x=6'n, andR and R' are hydrogen or alkyl;comprises reacting a salt of .alpha.,.beta.-unsaturated acid and an alkali with a bromo-substituted benzyl halide in an inert substantially water-immiscible solvent and in the presence of a phase-transfer catalyst.

Abstract: A process for the preparation of dibromomethane is described, in which gaseous methyl bromide and bromide are reacted as temperatures of 300.degree. C. or higher. The reaction is highly selective to DBM and almost quantitative Br.sub.2 conversion is obtained in the absence of catalysts.

Abstract: Triazine derivatives of the formula:[(NCO).sub.3 R.sub.1 R.sub.2 R.sub.3 ].sub.n (I)are described, wherein:R.sub.1, R.sub.2 and R.sub.3 are the same or different and represent a ring perhalogenated benzyl and/or xylylidene, and which are bonded to the triazine ring on the N atoms when the ring is saturated, or on the O atoms when the ring is unsaturated, and n is an integer between 1 and 5. The invention is further directed to flame-retardant compositions and to plastic compositions which comprise a compound of formula I.

Abstract: Granular flame retardant agents are disclosed which incorporate halogenated organic flame-retardant compounds, without any binders. The granular agents may further contain desired additives and organic or inorganic flame-retardant synergistic materials. The granular agents are dust-free and are usefully employed in a method for imparting flame-retardant properties to flammable plastic materials. A process for the preparation of the granular flame retardant agents of the invention by cold compaction is also described.

Abstract: A method is disclosed for carrying out the electroless coating of metals with tin. The coating is surprisingly carried out in a bromide brine of very corrosive nature, without causing the corrosion of the metal. Coating is very quick.Coating media for metal immersion, as well as processing conditions, are disclosed.

Abstract: A process is disclosed for the preparation of 2,2-dibromonitrilopropionamide, in which cyanoacetamide is brominated in aqueous medium with bromine or hydrobromic acid, in the presence of an oxidizing agent and at elevated temperature, followed by cooling of the reaction mixture to precipitate the DBNPA.

Abstract: A process is provided by means of which aromatic nitriles can be isolated in high yield. The process comprises reacting an aromatic halogenated compound with cuprous cyanide in a suitable solvent.The process is suitable for preparing many important materials, such as p-hydroxybenzonitrile.

Abstract: A method for stabilizing compositions containing one or more 3-isothiazolinones, which method includes adding to the 3-isothiazolinone composition an amount effective to stabilize the composition of one or more stabilizing compounds having the formula:[R.sub.x A-C.sub.6 H.sub.2 R.sup.1 R.sup.2 ].sub.y -Zwherein Z is selected from AR.sub.x, R.sup.1, R.sup.2, alkoxymethylene, methylene and alkylidene; R, R.sup.1 and R.sup.2 are independently selected from hydrogen, straight-chained, branched and cyclic alkyl, aryl and arylalkyl; A is oxygen or nitrogen, provided that when A is oxygen, x is 0 or 1, when A is nitrogen, x is 1 or 2; and y is 1 or 2.

Abstract: 1,2,5,6,9,10-Hexabromocyclododecane (HBCD) is prepared in an anhydrous process in polar solvents, by the bromination of 1,5,9-cis, trans, trans-cyclododecatriene at relatively high temperatures.

Abstract: A process is described which permits to prepare substantially pure 2-tert-butyl-4-methoxyphenol, by reacting 4-bromo-2-tert-butylphenol with a methoxide in an organic solvent.The process permits to obtain a substantially pure 2-isomer, and avoids the need for the separation of the 2- and 3-isomers.

Abstract: A process for the preparation of Decabromodiphenyl ether is disclosed, which employs dibromomethane as the reaction medium, at temperatures not exceeding 80.degree. C.The product obtained by the process of the invention possesses improved thermal stability.

Abstract: A method for treating crops against fungal and bacterial infections by fumigation with 2,2-dibromo-3-nitrilopropionamide (DBNPA) is described. The method is particularly useful in potato crops. Fumigant compositions comprising DBNPA which are useful in the invention are also disclosed.

Abstract: A process for the preparation of decabromodiphenyl ether by the reaction of diphenyl ether or of a partially brominated derivative thereof, in a mixture of halogenated organic solvents is described.The process of the invention provides a product having improved thermal stability. The process can be carried out in a quasi-steady state manner, thereby producing a product with constant quality.

Abstract: Granular flame retardant agents are disclosed which incorporate halogenated organic flame-retardant compounds, without any binders. The granular agents may further contain desired additives and organic or inorganic flame-retardant synergistic materials. The granular agents are dust-free and are usefully employed in a method for imparting flame-retardant properties to flammable plastic materials. A process for the preparation of the granular flame retardant agents of the invention by cold compaction is also described.