Abstract: Modified asphalt compositions are described which comprise(A) asphalt, and(B) a minor effective amount, sufficient to improve the durability of the asphalt in service, of at least one hydrocarbon-soluble acrylate polymer of the formula ##STR1## wherein R.sup.1 is a lower alkyl group containing from 1 to about 4 carbon atoms, R.sup.2 is a mixture of alkyl groups containing from about 4 to about 20 carbon atoms, and x is an integer providing a weight average molecular weight (Mw) to the acrylate polymer of about 5000 to about 1,000,000.Generally, the modified asphalt compositions will contain from about 0.01 to about 10% by weight, based on the weight of the asphalt, of the acrylate polymer as defined. The modified asphalt compositions of the present invention are useful in roofing and in preparing aggregate-containing asphalt concretes which can be employed as paving compositions.

Abstract: Salt compositions are disclosed which comprise: (A) at least one salt moiety derived from (A)(I) at least one high-molecular weight polycarboxylic acylating agent, said acylating agent (A)(I) having at least one hydrocarbyl substituent having an average of from about 20 to about 500 carbon atoms, and (A)(I) ammonia, at least one amine, at least oen alkali or alkaline earth metal, and/or at least oen alkali or alkaline earth metal compound; (B) at least one salt moiety derived from (B)(I) at least oen low-molecular weight polycarboxylic acylating agent, said acylating agent (B)(I) optionally having at least one hydrocarbyl substituent having an average of up to about 18 carbona toms, and (B)(II) ammonia, at least one amine, at least one alkali or alkaline earth metal, and/or at least one alkali or alkaline earth metal compund; said components (A) and (B) being coupled together by (C) at least one compound having (i() two or more primary amino groups, (ii) two or more secondary amino groups, (iii) at least one

Abstract: An improvement in known processes for preparing substituted carboxylic acids useful as acylating agents which comprise reacting (A) at least one aliphatic polymer of one or more lower olefins with (B) an acidic reactant selected from the group consisting of fumaric acid, itaconic acid, maleic acid, and the corresponding anhydrides, lower alkyl esters, acyl chlorides and acyl bromides, in the presence of chlorine can be improved by the steps of (i) reacting at a temperature of about 100.degree.-200.degree. C., a mixture of (A) and (B) in the presence of about 0.05 to 0.15 equivalent of chlorine per equivalent of (A) until all of the chlorine has reacted to provide a first intermediate product (ii) continuing the reaction in the absence of chlorine at a temperature of from about 180.degree.-250.degree. C. until a conversion of 0.4 to 1.1 equivalents of (B) per equivalent of (A) is attained to provide a second intermediate product, and (iii) reacting said second intermediate with about 0.2 to 1.

Abstract: A composition comprising the reaction product of (A) at least one carboxylic acid acylating agent, (B) at least one amine characterized by the presence within its structure of at least one HN>group, and (C) at least one phosphorus-containing acid of the formula ##STR1## wherein each X.sup.1, X.sup.2, X.sup.3 and X.sup.4 is independently oxygen or sulfur, each m is zero or one, and each R.sup.1 and R.sup.2 is independently a hydrocarbyl group. Aqueous concentrates and water-based functional fluids comprising the foregoing composition are also disclosed.

Abstract: Coupled polyamine additives for lubricants, fuels and functional fluids have been discovered. The coupled polyamines are prepared by the cyclization reaction of at least one reactant polyamine reactant with at least one hydrocarbyl polynitrile. This coupled polyamine may be further reacted with a hydrocarbyl carboxylic acid or derivative thereof, a hydrocarbyl phenolic reactant or mixtures thereof to provide an additive having greater oil solubility as well as imparting dispersancy and VI improvement.

Abstract: A method for producing homopolymers and copolymers from amido-sulfonic acid or salt containing monomers in the presence of high energy mechanical mixing utilizing a final stage polymerization temperature of from about 200.degree. F. to below the degradation temperature of the monomer. The process produces a solid homopolymer or copolymer which can be utilized as fluid loss agents.

Abstract: The present invention relates to an improved process for beneficiating an ore containing sulfide materials with selective rejection of pyrite, pyrrhotite and other minerals and gangue. In particular, the process is useful for beneficiating ores and recovering metals such as copper, lead, zinc, etc., from said ores. In one embodiment the process comprises the steps of:(A) forming a slurry of at least one crushed mineral-containing ore, water and at least one collector which is an acid, or an anhydride, ester, ammonium salt or metal salt of the acid that is represented by the formula ##STR1## wherein each R.sub.1 and R.sub.2 is independently a hydrocarbyl or hydrocarbyloxy or hydrocarbylthio group;each X.sub.1 and X.sub.2 is independently sulfur or oxygen;R.sub.3 is a divalent hydrocarbyl group, hydrogen or hydrocarbyl group;a is 0 or 1;b is 0 or 1;c is 1 or 2;Q is a divalent, trivalent or tetravalent hydrocarbyl group or --C(X.sub.3)NR.sub.5 Q';X.sub.

Abstract: The use of aromatic amine or hindered phenols, and beta-thiodialkanol reaction products are described as being useful anti-oxidants.

Abstract: Solutions or substantially stable dispersions of basic alkali metal sulfonates in an inert organic diluent are prepared by intimately contacting an acidic gaseous material such as carbon dioxide with a reaction mixture comprising a sulfonic acid, an alkali metal, an alcohol and a carboxylic acid. The products are useful as additives for lubricants and fuels.

Abstract: This invention described phenothiazine derivatives which are N-substituted and which contain an additional sulfur molecule in the N substituent.

Abstract: This invention describes phenothiazine derivatives which are N-substituted and which contain an additional sulfur molecule in the N substituent.

Abstract: A process is disclosed for overbasing a substrate comprising mixing a composition comprising said substrate, water, a phenol containing up to three aliphatic carbon atoms, a source of magnesium and a carbonating agent, under reaction conditions to form a magnesium overbased substrate, said water being retained in said composition throughout the overbasing reaction, the weight ratio of the water to magnesium being about 10:1 to about 1:5. A magnesium overbased substrate made by the foregoing process is disclosed. Concentrates and lubricating compositions containing the foregoing magnesium overbased substrate are also disclosed.

Abstract: This invention describes compositions containing nitrogen, sulfur and optionally oxygen which are useful as antioxidants for lubricants.

Abstract: The present invention relates to a curable composition comprising:(A) at least one aminoplast resin; and(B) an amount effective to cure the composition of at least one catalyst which is a sulfo acid, or an anhydride, ester, ammonium salt or metal salt of the acid.The sulfo acid can be exemplified by sulfonic acids, such as 2-acrylamido-2-methylpropane sulfonic acid, or a reaction product of the sulfonic acid and a phosphorus acid or salt, such as a dihydrocarbyl phosphorodithioic acid.The catalyst allows curing of aminoplast resins to be accomplished at low temperatures, while imparting a high degree of water resistance to the cured coating.

Abstract: This invention relates to a liquid composition comprising(A) a major amount of a fluorine-containing hydrocarbon, and(B) a minor amount of a soluble organic lubricant free of acetylenic and aromatic unsaturation and comprising a cyclic compound characterized by the following structure ##STR1## wherein R is H, a hydrocarbyl group, or --R.sup.2 COOR.sup.1,X is O or NR.sup.3,Y is CHR.sup.4, C.dbd.O, C.dbd.NR.sup.5,R.sup.1 is H or a lower hydrocarbyl group,R.sup.2 is an alkylene group,R.sup.3 is H, a hydrocarbyl group, an alkylene group joined to R.sup.5 when Y is C.dbd.N--R.sup.5 to form a cyclic moiety, --R.sup.6 OR.sup.7, or --R.sup.8 NR.sup.9 R.sup.10,R.sup.4 is H or a hydrocarbyl group,R.sup.5 is H or an alkylene group joined with R.sup.3 when X is NR.sup.3 to form a cyclic moiety,R.sup.6 is an alkylene group,R.sup.7 is H or a hydrocarbyl group,R.sup.8 is an alkylene group, andR.sup.9 and R.sup.10 are each independently H or hydrocarbyl groups, or R.sup.9 and R.sup.

Abstract: The present invention describes devices capable of sensing changes of acidity in a non-aqueous medium. The devices are particularly useful for determining the alkaline reserve in a motor vehicle lubricating oil.

Abstract: Asphalt additive compositions are described which comprise (A) a metallic organic strength improving compound and (B) an anti-strip compound. The metal of said metallic organic compound is selected from the group consisting of manganese, cobalt, copper, vanadium, molybdenum, cerium, iron, nickel, lead, zirconium, barium, calcium and zinc. The preferred metal is manganese. The anti-strip compound is designed to reduce water-induced damage to asphalt paving mixtures.

Abstract: Basic metal dihydrocarbylphosphorodithioates and phosphoromonothioates are prepared by employing a catalytic amount of an alkali metal or alkaline earth metal hydroxide or mixtures thereof. Also basic, multiple metal complexes of various dihydrocarbylphosphorodithioic acids have been developed. These salts and complexes are highly effective antiwear and antioxidant additives for functional fluids, e.g., lubricating oils.

Abstract: The present invention relates to an improved process for beneficiating an ore. In particular, the process is useful for beneficiating ores and recovering metal values such as gold, copper, lead, molybdenum, zinc, etc., from the ores. In one embodiment, the process comprises(A) forming a slurry comprising at least one crushed mineral-containing ore, water and a collector which is at least one carbamate represented by the formula: ##STR1## wherein each R.sub.1 is independently hydrogen, a hydrocarbyl group having from 1 to about 18 carbon atoms, or R.sub.1 taken together with R.sub.2 and the nitrogen atom form a five, six or seven member heterocyclic group; each R.sub.2 is independently a hydrocarbyl group having from 1 to about 18 carbon atoms, or R.sub.2 taken together with R.sub.1 and the nitrogen atom form a five, six or seven member heterocyclic group; and R.sub.

Abstract: A liquid composition is described which comprises(A) a major amount of a fluorine containing hydrocarbon containing one or two carbon atoms, and(B) a minor amount of a soluble organic lubricant comprising at least one carboxylic ester compound characterized by the formulaeRO(R.sup.1 O).sub.n C(O)R.sup.2 (I)andR.sup.3 OC(O)R.sup.2 (II)wherein R is a hydrocarbyl group of at least 2 carbon atoms,R.sup.1 is a hydrocarbylene group,R.sup.2 is H, hydrocarbyl, -CF.sub.3, -R.sup.4 CN, R.sup.4 - NO.sub.2 or R.sup.5 OCH(R.sup.6)-,R.sup.3 is a -R.sup.4 CF.sub.3, R.sup.4 CN or -R.sup.4 NO.sub.2 group, provided that R.sup.3 may be a hydrocarbyl group when R.sup.2 is -R.sup.4 CN,n is an integer from 1 to about 50,R.sup.4 is a hydrocarbylene group,R.sup.5 is H, a lower hydrocarbyl group or R.sup.7 C(O)- where R.sup.7 is a hydrocarbyl group, andR.sup.6 is H or a lower hydrocarbyl group.Liquid compositions also are described containing fluorine-containing hydrocarbons also containing other halogen such as chlorine.