Abstract: The present invention relates to a process for coating a substrate which comprises (a) contacting said substrate with a low volatility organic (so-called "low VOC") coating composition having a viscosity as measured by ZAHN cup 2 of less than about 200 seconds and consisting essentially of at least one polyisocyanate, a solvent in an amount of between 0% and 45% by weight based upon the amount of said polyisocyanate in said composition, and an trimerization catalyst, said composition being essentially free of any volatile mono- and di-isocyanates, to form a coating on said substrate, and (b) heating said coating to a curing temperature of between 120.degree. F. and 350.degree. F. for a curing time of between about ten minutes and about six hours in order to cure said coating by trimerizing at least some of the isocyanate groups of the polyisocyanate to provide a heat-cured coating on said substrate. Also claimed is the coating composition itself.

Abstract: This invention relates to a process for coating a substrate other than polyvinyl chloride which comprises contacting said substrate with a fast drying, moisture curable, low volatility organic coating composition having a viscosity as measured by ZAHN cup 2 of less than about 200 seconds and consisting essentially of at least one polyisocyanate, a solvent in an amount of between 0% and 45% by weight based upon the amount of said polyisocyanate in said composition, and a tertiary amine catalyst, said composition being essentially free of any volatile mono- and di-isocyanates, and said composition being moisture curable upon exposure to atmospheric moisture. Also claimed is the coating composition itself.

Abstract: This invention relates to personal care compositions, and, more specifically, to a composition comprising a pyrithione salt or acid, a basic lipopeptide, and a suitable carrier. The pyrithione plus the lipopeptide provide antimicrobial efficacy to the personal care composition. The personal care composition is useful in a variety of dermatological items, such as soaps, shampoos, and skin care medicaments.

Abstract: This invention relates to a process for coating a substrate which comprises contacting the substrate with a low volatility organic (so-called "low VOC") coating composition having a viscosity as measured by ZAHN cup 2 of less than about 200 seconds and consisting essentially of at least one polyisocyanate prepolymer which is the reaction product of a polyisocyanate with an active hydrogen-containing compound selected from the group consisting of monoahls, polyols, imines, oxazolidines, and combinations thereof, a solvent in an amount of between 0% and 45% by weight based upon the amount of said polyisocyanate in said composition, and a tertiary amine catalyst, said composition being essentially free of any volatile mono- and di-isocyanates, and said composition being moisture curable upon exposure to atmospheric moisture. Also claimed is the coating composition itself.

Abstract: The present invention relates generally to paint and paint base and, more specifically, to a process and composition for providing a stable gel-free dispersion of zinc pyrithione plus cuprous oxide in paint. In accordance with the process of the present invention, the paint or paint base contains a carboxylic acid in order to impart desired gelation inhibition to the paint.

Abstract: The present invention relates, in one aspect, to a process for preparing a storage-stable dispersion of a biocide which comprises the steps of: (a) mixing a plastisol, comprising a resin and a carrier, and a biocide to provide a mixture of said plastisol and said biocide (b) heating said mixture of plastisol and biocide to an elevated temperature of between about 30.degree. C. and about 100.degree. C. to provide a homogeneous, storage stable dispersion, said dispersion containing said biocide in an amount of between about one and about 30 weight percent based upon the weight of said dispersion, said resin being present in an amount of between about 5 and about 75 weight percent based upon the weight of said dispersion, with the proviso that when the weight percent of said resin in said dispersion is between about 30% and about 75%, then said elevated temperature is between 30.degree. C. and 45.degree. C.

Abstract: A process for treating solutions of a hydroxylammonium salt containing excess acid which comprises:a) mixing the hydroxylammonium salt containing excess acid with a hydroxylammonium solution containing free hydroxylamine to produce a solution of the hydroxylammonium salt substantially free of excess acid,b) contacting a portion of the solution of the hydroxylammonium salt substantially free of excess acid with a weak base ion exchange resin to produce the hydroxylammonium solution containing free hydroxylamine, and,c) recycling the hydroxylammonium solution containing free hydroxylamine to step a).The process minimizes the decomposition of the hydroxylammonium salt solution and produces high purity hydroxylammonium nitrate solutions without directly contacting excess nitric acid with ion exchange resins. In addition to hydroxylammonium salts, the process can be used to treat any nitrate salt of an anine weak base which contains excess nitric acid.

Abstract: This invention relates to a process for preparing a dimer by the steps of: (a) cyclodimerizing a polyisocyanate in the presence of a dimerization catalyst which is covalently bound to an insoluble inorganic matrix by contacting said polyisocyanate with said catalyst at a temperature of between about 20 and about 135.degree. C. in a reaction to form an uretidione-containing cyclodimerized isocyanate wherein a portion of the isocyanate moieties comprising said polyisocyanate are converted to uretidione groups, and (b) separating said catalyst from said cyclodimerized isocyanate in order to stop said reaction after a desired amount of isocyanate moieties in said polyisocyanate have been converted to uretidione moieties.

Abstract: A process for the removal of mercury from industrial waste streams is disclosed wherein the waste stream is a nitrate based solution that has been decomposed by the addition of hypochlorite. The method involves adding a reducing agent to reduce the hypochlorite and/or adjusting the pH by the use of a strong acid to less than about 2.0, converting any residual chlorine to a soluble unreactive salt, adding a soluble precipitating agent, such as sodium sulfide, to the solution in a ratio to the mercury present of greater than 1:1 to about 2:1 to precipitate out the mercury as a mercury compound. The solution is then filtered to remove the precipitated mercury compound.

Abstract: The present invention relates to a composition comprising a antimicrobially effective amount of a combination of an pyrithione and a lipopeptide antibiotic. Also disclosed is an aqueous industrial functional fluid comprising an aqueous base fluid medium and an antimicrobially effective amount of a combination of a pyrithione and a lipopeptide antibiotic. Also disclosed is a process for providing biocidal activity to an aqueous industrial functional fluid which comprises incorporating into said fluid an antimicrobially-effective amount of a combination of a pyrithione and a lipopeptide antibiotic.

Abstract: A rinse aid composition and a rinse aid concentrate which comprises an aqueous solution of a low foam surfactant, a solubilizing system for the low foam surfactant, and an anionic dispersing agent. This rinse aid controls foam, improves water solubility, reduces surface tension which improves sheeting action that reduces spotting, streaking and filming of the articles washed, provides an appropriate cloud point, and reduces drying time.

Abstract: The present invention relates to a novel compound which is the hydroxylammonium or lower alkyl hydroxylammonium salt of 3-nitro-1,2,4-triazol-5-one, together with processes for preparation thereof. One process comprises a two-step reaction comprising: (a) reacting 3-nitro-1,2,4-triazol-5-one with an aqueous alkali metal or alkaline earth metal hydroxide to form an aqueous solution of an alkali metal or alkaline earth metal salt of 3-nitro-1,2,4-triazol-5-one, and (b) reacting said alkali metal or alkaline earth metal salt of 3-nitro-1,2,4-triazol-5-one with an aqueous solution of hydroxylammonium salt or lower alkyl-substituted hydroxylammonium salt to form the hydroxylammonium salt of 3-nitro-1,2,4-triazol-5-one.

Abstract: The present invention relates generally to paints and paint bases, and, more specifically to a process for providing a stable gel-free dispersion of biocidal amounts of 2,2'-dithiobis(pyridine-1-oxide) or its metal salt adducts of the formula (C.sub.5 H.sub.4 NOS).sub.2 MY.sub.t or their hydrates plus cuprous oxide biocide in paint, where M is an alkaline earth metal, Y is the anion of an organic or inorganic acid, and t is 1 or 2. The resulting paint is storage stable and remains gel-free after several months of storage at room temperature.

Abstract: The present invention relates to a process for producing a cellular or microcellular polyurethane foam wherein the reactants provide a built-in blowing capability. The process is effected by reacting a polyisocyanate with a carboxy-modified polyol to form a polyurethane and carbon dioxide, said carbon dioxide acting as an in situ blowing agent to foam said polyurethane into a cellular or microcellular polyurethane foam. In another aspect, the present invention relates to a process for forming an integral skin cellular or microcellular polyurethane foam by reacting, in a closed mold, a polyisocyanate with a carboxy-modified polyol to form a polyurethane and carbon dioxide.

Abstract: The present invention relates generally to paints and paint bases, and, more specifically to a process for providing in situ generation of copper pyrithione biocide in a paint or paint base which comprises incorporating a metal salt of pyrithione, cuprous oxide and a controlled amount of water into the paint or paint base either during or after formulation of the paint or paint base.

Abstract: This invention is directed to a process for providing enhanced yield and simplified isolation of hydrophobic enzymes from a culture medium. The process comprises the steps of: (a) culturing a hydrophobic enzyme-secreting microorganism in an aqueous culture medium comprising a yield-enhancing effective amount of a nonionic surfactant having a cloud point of less than 40.degree. C. for a time sufficient to provide enhanced secretion of said enzyme from said microorganism, (b) removing said microorganism from said culture medium to provide a microorganism-free solution, (c) heating said microorganism-free solution to a temperature above said cloud point to cause phase separation of said culture medium into an aqueous phase, and a non-aqueous phase containing said nonionic surfactant and said yield-enhanced hydrophobic enzyme, and (d) isolating said non-aqueous phase containing said nonionic surfactant and said yield-enhanced hydrophobic enzyme.

Abstract: The present invention relates to a process for producing a cellular or microcellular polyurethane foam wherein the reactants provide a built-in blowing capability. The process is effected by reacting a polyisocyanate with a carboxy-modified polyol to form a polyurethane and carbon dioxide, said carbon dioxide acting as an in situ blowing agent to foam said polyurethane into a cellular or microcellular polyurethane foam, said foam being formed in the absence of any chlorinated fluorocarbon blowing agents. In another aspect, the present invention relates to a process for forming an integral skin cellular or microcellular polyurethane foam by reacting, in a closed mold, a polyisocyanate with a carboxy-modified polyol to form a polyurethane and carbon dioxide.

Abstract: A non-catalytic, gas-phase oxidation process for the production of an alkylene oxide or mixture of alkylene oxides in the presence of an aldehyde which may be an aldehyde produced in the oxidation process. Preferably, a gaseous mixture of propylene, oxygen and acetaldehyde is reacted at a temperature in the range of from about 200 to about 350.degree. C. and at a superatmospheric pressure up to about 1000 psig.

Abstract: The present invention relates generally to paints and paint bases, and, more specifically to a process for providing in situ generation of copper pyrithione biocide in a paint or paint base which comprises incorporating a compound of pyrithione, cuprous oxide and a controlled amount of water into the paint or paint base either during or after formulation of the paint or paint base.

Abstract: A process for producing an ethylene oxide-capped polyol which is essentially free of catalyst residues, wherein the polyol is produced using a double metal cyanide catalyst, which comprises after polyol formation the steps of: (a) contacting a catalyst residue(s)-containing polyol with an effective amount of an oxidant (preferably selected from the group consisting of: oxygen-containing gas(es), peroxide(s), acids, and combinations thereof) to cause said catalyst residue(s) to form insoluble residues that are insoluble in the polyol; (b) separating the insoluble residues from the polyol to provide an essentially double metal cyanide catalyst residue-free polyol; (c) treating said double metal cyanide catalyst residue-free polyol with a base to provided a base-treated polyol; (d) contacting said base-treated polyol with ethylene oxide to produce an ethylene oxide-capped polyol containing base, wherein at least a portion of the secondary hydroxyl groups on said polyol are converted into primary hydroxyl groups,