Abstract: Pitch control agents comprising a combination of water-soluble zirconium compounds and cationic polymers are described.Ammonium zirconium carbonate is preferred in combination with poly DADMAC and/or with EPI-DMA polymers.

Abstract: A pharmaceutical compound of the formula ##STR1## in which A is selected from --NHCOR.sup.1, --NHCOOR.sup.1, --NHCONHR.sup.1, --NHCSNHR.sup.1, --CONHR.sup.1, where R.sup.1 is optionally halo-substituted C.sub.1-10 alkyl, C.sub.2-10 alkenyl, C.sub.3-7 cycloalkyl-C.sub.1-4 alkyl or phenyl-C.sub.1-4 alkyl B is optionally substituted phenyl, and --X--Y-- is --CH=CH-- or --CH.sub.2 --CH.sub.2 --; and salts thereof. The compounds are leukotriene antagonists.

Abstract: New oxygen scavengers for boiler waters have been discovered, which oxygen scavengers are based upon substituted quinoline compounds. These compounds provide oxygen scavenging capabilities, metal passivating capabilities, and volatility such that condensate systems in an operating boiler are protected. The compounds may be formulated with other oxygen scavengers and other common treatment agents used in boiler waters, especially the volatile amine, such as, but not limited to, morpholine and diethylhydroxylamine.The preferred quinoline compounds is ethoxyquin, i.e. 6-ethoxy-1,2,-dihydro-2,2,4-dihydroquinoline.

Abstract: New oxygen scavengers for boiler waters have been discovered, which oxygen scavengers are based upon N,N,N',N'-tetra substituted phenylenediamines. These compounds provide oxygen scavenging capabilities, metal passivating capabilities, volatility such that condensate systems in an operating boiler are protected, and may be formulated with other oxygen scavengers and other common treatment agents used in boiler waters.The preferred tetra substituted phenylenediamines are N,N,N',N'-tetramethyl-1,4-phenylenediamines, or its precursors.

Abstract: A method of inhibiting carbonate stress corrosion cracking is determined to involve the addition of certain treatment chemicals to refinery process streams containing at least 1 of the volatile chemicals, ammonia, carbon dioxide, hydrogen sulfide, hydrogen cyanide, and water. The treatment chemical is preferably a fatty imidazoline compound or fatty amides or fatty esters or mixtures thereof.The imidazoline compounds and the amide/esters are formed by reacting tall oil fatty acids, naphthenic acids, or mixtures thereof with essentially linear heterochemicals containing amine or alcohol functionality.

Abstract: Improved water quality of overboard waters discharged from off-shore oil producing rigs is obtained by treating oily produced waters from a crude oil separator, and prior to exposure to air, with an effective coalescing amount of a combination of an iron chelating agent and various polymeric coagulating/coalescing agents. The preferred chelating agent is citric acid, or its salts, EDTA, HEDTA, or mixtures thereof. The polymeric coagulating/coalescing agents may be anionic, cationic, ampohoteric, but are most preferably copolymers of acrylamide with at least one of the monomers chosen from the group consisting of acrylic acid, methacrylic acid, DMAEA, DMAEM, or their acid of quaternary salts, DADMAC, MAPTAC, AMPS, and the like.

Abstract: An automated chemical storage and chemical feed system for a use station to chemically treat and monitor a process at a use station where the process is being run, including one or more base chemical supply tanks at the use station storing chemicals and intermittently or continuously feeding the chemicals to the process. A level sensor is provided in each base tank to determine the chemical level and to deliver a signal to a control and processing unit. Sensors may be provided on the process for providing chemical condition information to the control and processing unit.

Abstract: Improved water absorbent polymers can be prepared by agglomerating acrylic acid gel polymer fines with small quantities of difunctional epoxides.

Abstract: Polyacrylamide is reacted with formaldehyde and bisulfite at a temperture of at least about 100.degree. C. and at an initial reaction mixture pH of less than about 12, preferably about 3 to about 8, to produce sulfomethylpolyacrylamide.

Abstract: An improved superabsorbent polymer having increased rate of water absorption is obtained by the addition, preferably prior to polymerization, of a carbonate blowing agent to a monomer solution of the monomers used to form the superabsorbent polymer. Preferred monomers include (meth)acrylic acids, preferably partially neutralized prior to polymerization and appropriate cross-linking agents. The carbonate cross-linking agents are any carbonate salt soluble or dispersible in the monomer solution, prior to polymerization. The multi-valent cationic salts of carbonate are preferred, especially the complex carbonates, for example, of magnesium.

Abstract: A binder composition and method for its use to bind metal ores in a pelletizing process is disclosed. The composition includes the use of superabsorbent cross-linked polymers alone or in combination with at least one of the materials chosen from linear water-soluble vinyl addition polymers and polysaccharides.

Abstract: A method of modifying crystal structure of alumina trihydrate crystallizing from saturated Bayer liquors, which method includes the treatment of the saturated Bayer liquors with a crystal modifying amount of a polysaccharide, preferably a dextran.

Abstract: A clay swelling inhibitor additive for oil and gas well treatment is disclosed. The additive comprises an aqueous solution of tetraalkylammonium chloride, preferably tetramethylammonium chloride and a quaternary amine-based cationic polyelectrolyte, such as methyl chloride quaternary salt of ethylene-ammonia condensation polymer. The additive composition synergistically retards water absorption by the down-hole clay formation.

Abstract: An asphalt or asphaltene refinery anti-foulant technique comprising the use in crude oil, or crude oil fraction, streams of alkyl-substituted phenol formaldehyde liquid resins in combination with hydrophilic-lipophilic vinylic polymers. The polymeric anti-foulant is added to asphalt or asphaltene containing crude oil streams to prevent fouling of metallic, or other, i.e. ceramic, surfaces, especially heat transfer surfaces.

Abstract: A papermaking process includes the steps of adding to the papermaking celllulosic slurry first a high molecular weight cationic polymer and then a medium weight anionic polymer. The cationic polymer is added after the addition of filler, but before at least one of the shear stages to which the slurry is subjected prior to sheet formation and drainage. The anionic polymer is added after the shear stage which is subsequent to the addition of the cationic polymer.

Abstract: A method for detackifying oversprayed paint solids in a paint spray booth utilizes an oil-in-water emulsion as the hydrophilic fluid for capturing and detackifying oversprayed paint, which emulsion contains a certain nonionic surfactant, which surfactant greatly improves detackification performance when the paint formulation being sprayed is a low VOC formulation, and particularly a two-component formulation. The nonionic surfactant is an ethoxylated C.sub.8-10 alkyl phenol having an HLB value of from about 4.5 to 15.5.

Abstract: A combination product containing (a) dihydroxyacetone, (b) hydroquinone, and (c) a volatile amine that is capable of removing oxygen and neutralizing carbon dioxide in industrial waters, particularly boiler waters, including boiler feed waters, internal boiling waters, condensate waters, and return waters. The combination product preferably contains weight ratios of ingredients (a):(b):(c) ranging from 1:0.01:0.1 to about 1:1:100, and may additionally contain a filming amine.

Abstract: New oxygen scavengers for boiler waters have been discovered, which oxygen scavengers are based upon N,N,N',N'-tetra substituted phenylenediamines. These compounds provide oxygen scavenging capabilities, metal passivating capabilities, volatility such that condensate systems in an operating boilder are protected, and may be formulated with other oxygen scavengers and other common treatment agents used in boiler waters.The preferred tetra substituted phenylenediamines are N,N,N', N'-tetramethyl-1,4-phenylenediamines, or its precursors.

Abstract: The preparation of polymers which contain pendant hydrophobic groups or a mixture of both pendant hydrophobic and alkoxylated groups is accomplished by reacting a preexisting polymer having pendant acid amide and/or carboxylic groups with a primary or secondary amine in a substantially homogenous reaction mixture, the amine reactant including the desired hydrophobic and alkoxylated radicals. A unique polymer, having both pendant hydrophobic and alkoxylated groups, is provided.

Abstract: The preparation of polymers which contain pendant hydrophobic groups or a mixture of both pendant hydrophobic and alkoxylated groups is accomplished by reacting a preexisting polymer having pendant acid amide and/or carboxylic groups with a primary or secondary amine in a substantially homogenous reaction mixture, the amine reactant including the desired hydrophobic and alkoxylated radicals. A unique polymer, having both pendant hydrophobic and alkoxylated groups, is provided.