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

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: 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: 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: 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 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.

Abstract: Compounds which improve extreme pressure and anti-wear properties of lubricating compositions are described. The compounds include the compounds of the following formula as well as statistical mixtures of those compounds: ##STR1## wherein R.sub.1 is hydrogen or hydrocarbyl; R.sub.2 is hydrocarbyl having at least 4 carbon atoms or together with R.sub.1 forms a heterocyclic radical,wherein R.sub.3, R.sub.4, R.sub.7 and R.sub.8 are each independently hydrogen or alkyl;wherein a is 0 or 1;wherein n is 1, 2 or 3;wherein X is oxygen or sulfur;wherein R.sub.5 is hydrogen or hydrocarbyl; andwhen n is 1, R.sub.6 is selected from the group consisting of ##STR2## and when n is 2, R.sub.6 is selected from the group consisting of ##STR3## and when n is 3, R.sub.6 is ##STR4## wherein R is independently an alkyl moiety, alkylene or alkylidene moiety containing 1 to 12 carbon atoms, R' is hydrogen or alkyl moiety, alkylene, alkylidene or carboxyl containing 1 to 60 carbon atoms, and R" is aryl or substituted aryl.

Abstract: This invention relates to a composition comprising:(A) a major amount of a fluorine-containing hydrocarbon containing one or two carbon atoms; and(B) a minor amount of a soluble tertiary amide represented by the formula ##STR1## wherein a is one or two, provided that when a is one, R is a hydrocarbyl group or a hydrocarbylpolyoxyalkylene group, and when a is two, R is a hydrocarbylene group;each R.sub.2 is independently hydrogen or an alkyl group having from 1 to about 8 carbon atoms;b is one or two;X is oxygen or N--R.sub.3 ;R.sub.3 is a hydrocarbyl group having 1 to about 18 carbon atoms or --C(O)R.sub.4,R.sub.4 is a hydrocarbyl group or a hydrocarbylpolyoxyalkylene alkyl group.The present invention provides compositions which are useful as refrigeration liquids in refrigerators and air-conditioners including auto, home and industrial air-conditioners. The invention provides tertiary amides which are compatible with fluorine-containing hydrocarbons used in refrigerators and air conditioners.

Abstract: This invention describes highly reactive polymers obtained from lower monomers. The polymers are particularly useful in alkylation reactions.

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 process for preparing a lower alkene polymer from a lower alkene feedstream, including the steps of: (A) contacting the lower alkene monomer with a catalyst system comprising boron trifluoride and at least one acid selected from the group consisting of sulfuric acid, sulfurous acid, phosphoric acids and strong acid resins and (B) polymerizing the lower alkene monomer in the presence of the catalyst system at a temperature of about -3.degree. C. to about -30.degree. C. thereby obtaining a lower alkene polymer having a molecular weight of about 250 to about 500.

Abstract: This invention deals with viscosity improvers which are obtained through the use of a mixed catalyst system comprising a tertiary organo halide and a Lewis acid catalyst. A liquid alpha-olefin polymer composition having a polymodal distribution with peak molecular weight maximum at 2,000 to 5,000 and at 50,000 to 75,000 is useful as a lubricating oil.

Abstract: A liquid composition is described which comprises(A) a major amount of at least one fluorine containing hydrocarbon containing one or two carbon atoms; and(B) a minor amount of at least one soluble organic lubricant comprising at least one organic thiocarbamate characterized by the formulaeR.sub.1 R.sub.2 NC(X)SC(R.sub.3 R.sub.4)[C(H)(R.sub.5)].sub.a Z, or (I)[R.sub.1 R.sub.2 NC(X)SC(R.sub.3 R.sub.4)[C(H)(R.sub.5)].sub.a C(X)A].sub.2 Z' (II)wherein R.sub.1 and R.sub.2 are each independently lower alkyl, aryl, aralkyl or together form a heterocyclic group in which the ring is completed through the nitrogen;X is O or S;A is O, S or NR;R is H or a lower alkyl group;R.sub.3, R.sub.4 and R.sub.5 are each independently H, lower alkyl or aryl groups;a is 0 or 1;Z is --CN, --S(O)R.sub.6, --S(O)OR.sub.6, --S(O).sub.2 R.sub.6, --S(O).sub.2 OR.sub.6, or --C(O)Y;R.sub.6 is H, alkyl or aralkyl;Y is H, --OH, --R.sub.7, --OR.sub.7, --OR.sub.8 OH, or --NR.sub.9 R.sub.10 ;R.sub.7 is an alkyl, aryl or aralkyl group;R.sub.

Abstract: Polymers of pyrrole or copolymers of pyrrole are obtained having high surface area and low conductivity. Such polymers and copolymers are useful in forming catalysts.

Abstract: Sulfurized mixtures which include (A) at least one partial fatty acid ester of a polyhydric alcohol, and (B) at least one member of the group consisting of(1) at least one fatty acid ester of a polyhydric alcohol, which fatty acid ester is different from the partial ester (A),(2) at least one fatty acid,(3) at least one olefin, and(4) at least one fatty acid ester of a monohydric alcohol. The sulfurized compositions are useful in preparing additive concentrates and lubricating compositions.

Abstract: Mixtures of partial fatty acid esters of polyhydric alcohols and sulfurized compositions. Compositions comprising these mixtures are useful as additives for a wide variety of lubricants.

Abstract: A spin fiber lubricant composition is disclosed. The composition is essentially comprised of a liquid carrier having therein an ester of the general structural formula (I): ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are hydrocarbyl groups preferably in the form of alkyl groups containing 1-6 carbon atoms. The composition has been found to be useful in connection with providing materials with lubricating properties which are desirable for the spinning of fibers.