Abstract: Both waterborne and solvent enamels can be sprayed in a common paint spray booth and be detackified by a composition comprising a blend of a melamine-formaldehyde polymer, polyvinyl alcohol and a styrene acrylate copolymer. The invention also contemplates the use of these compositions in detackifying paint in paint spray booths.

Abstract: A vinyl grafted lignite fluid loss additive comprising a lignite grafted with at least one vinyl monomer selected from the group consisting of: dimethylaminopropyl methacrylamide, methacrylamido propyltrimethyl ammonium chloride, N-vinylformamide, N-vinylacetamide, diallyl dimethyl ammonium chloride, and diallylamine. The vinyl monomer may also be blended with at least one co-monomer. Preferred co-monomers are: 2-acrylamido-2-methylpropanesulfonic acid, dimethylacrylamide, acrylamide, vinylpyrrolidone, vinylacetate, acrylonitrile, dimethylaminoethyl methacrylate, styrenesulfonate, vinylsulfonate, dimethylaminoethyl methacrylate methyl chloride quaternary, acrylic acid and its salts.

Abstract: A method of attacking and removing microbial slime in slime covered surfaces and maintaining a slime-free surface as in exposed cooling tower surfaces and in waste water treatment and paper making. This method comprises utilizing an enzyme blend in 2 to 100 parts per million (ppm) of cellulase, alpha-amylase and protease. Such enzyme blends have been found specifically to digest microbial slime and reduce microbial attachment and biofilm. A specific combination of polysaccharide degrading enzymes is a ratio of 2 parts cellulase to 1 alpha-amylase to 1 protease utilized in 2-100 parts per million. Broadly, the alpha-amylase must be at least 1 and the protease may vary from 0.5 to 1 part.

Abstract: A method of producing naphthenic acid having the formula ##STR1## where R.sub.1 is H or Me,X is chosen, at each occurrence, from O or NH, andn is a small whole number of from 1-10,which comprises reacting an amine of the formula ##STR2## where R.sub.1 is H or Me,X is chosen, at each occurrence, from O or NH, andn is a small whole number of from 1-10,with a petroleum fraction containing naphthenic acids to form a salt and then heating the petroleum fraction containing the naphthenic acid-amine salt to a temperature of at least 25.degree. F. greater than the boiling point of water for a time sufficient to convert the amine salts to the amides and then recovering the thus produced amides.

Abstract: A method for clarifying water by liquid/solid separation comprising dosing the water to be clarified with a copolymer produced by the emulsion polymerization of only hydrophobic monomers where at least one hydrophobic monomer is an amine containing monomer which is hydrophobic when the amine is neutral and hydrophilic when the amine is salified.

Abstract: Colloidal silica prevents the interaction of cationic softeners and water-soluble polymers which are present in the manufacture of fiberglass mats.

Abstract: An adhesive system having a pressure-sensitive adhesive matrix and dispersed therein particulate solids wherein the adhesive system has a light transmission within the range of 15 to 80 percent transmission, and preferably 25 to 75 percent transmission. The adhesive system may include a coating of untilled pressure sensitive material. The particulate solids preferably have a particle size no greater than 300 microns, and may be organic particulate solids, preferably certain polymeric compositions.

Abstract: Water soluble low molecular weight cationic polymeric coagulants in combination with colloidal silica are excellent paint detackification agents for treating paint spray booth waters which are contaminated with paint particles.

Abstract: An aqueous concentrate useful for treating boiler waters to scavenge oxygen therefrom which contains at least 0.3% by weight of either gallic acid or propyl gallate. This aqueous concentrate has a pH adjusted to at least 8.5 by a water-soluble neutralizing amine of the type used to treat boiler waters. Additionally, a method for treating boiler waters with an oxygen scavenger.

Abstract: A method for inhibiting corrosion in industrial cooling waters which contain hardness and a pH of at least 6.5, by dosing the water with a composition which comprises a water-soluble inorganic phosphate capable of inhibiting corrosion in an aqueous alkaline environment and a hydrocarbon polymer containing an N-substituted acrylamide polymers with an amide structure as follows: ##STR1## where R.sub.2 is hydrogen or methyl, where R.sub.1 is a hydrogen or an alkyl and R is alkylene or phenylene, and X is sulfonate, (poly)hydroxyl, (poly)carboxyl or carbonyl, and combinations thereof; or containing derivatized maleic anhydride homo-, co- and terpolymers having N-substituted maleamic acid units, N-substituted maleimide units and maleic acid (and salts) units having a structure as follows: ##STR2## where R.sub.1, R.sub.2 and R.sub.

Abstract: Urea is used to pacify "stickies" in the manufacture of paper products, particularly coated boxboard.

Abstract: A substantially water-insoluble, slightly cross-linked, partially neutralized, hydrogen-forming polymer composition consisting essentially of(a) from about 50 mole percent to 99.999 mole percent of polymerizable acid group-containing monomers, and(b) from about 0.001 mole percent to 10 mole percent of a water-soluble polyamine;said hydrogel-forming polymer composition having been formed by reacting a water-soluble acid group-containing vinyl polymer with a water-soluble polyamine at a temperature sufficient to convert the substantial portion of the amino groups of the water-soluble polyamine into amido groups.

Abstract: A process of making a water-in-oil emulsion which contains from 5-60% by weight of a hydrophobic acrylamide terpolymer composed of the random repeating units: ##STR1## where: R is methyl or hydrogen,M is hydrogen, alkali metal, ammonia, or amine,R.sup.1 is a hydrophobic radical,with the mol ratio of A:B:C being A(2-50):B(50-98):C(0.1-15), which comprises reacting a 5-60% by weight water-in-oil emulsion of an acrylamide polymer with a hydrophobic amine at a temperature above 120.degree. C. for a period of time sufficient to transamidate the acrylamide groups in the acrylamide polymer with the hydrophobic amine.

Abstract: In a method of recovering volatile organic paint carrier from paint spray booths and also collecting, detackifying, and dispersing paint solids obtained from paint overspray in said paint spray booths, which paint spray booths are of the type comprising a chamber, a duct system for passing air through said chamber, an exhaust system connected to said duct system, a sump containing a circulating hydrophilic liquid which is pumped onto a means for forming a liquid curtain of said hydrophilic liquid, said liquid curtain being contacted by oversprayed paint and volatile organic paint carrier; the improvement which comprises using as the hydrophilic liquid an improved oil-in-water emulsion maintained at a pH value ranging from 7.5-11.0, which emulsion consists essentially of the ingredients:(a) from 5-50 weight percent, of an organic hydrocarbonaceous liquid having a boiling point of at least 150.degree. C.;(b) from 0.

Abstract: Water supplies are treated to inhibit the formation of scale deposits of alkaline earth phosphates, phosphonates, sulphates and carbonates using various hydrocarbon polymers which contain an amido functionality and which have been prepared by post-polymerization derivatization.

Abstract: An aqueous solution blend of cationic metal salt and anionic vinyl polymer may be prepared. A composition comprising the combination of a cationic metal salt, anionic vinyl polymer, and water may be used in water clarification process.

Abstract: A drawing and stamping extreme pressure lubricant for steel and aluminum which comprises a water-in-oil micro-emulsion which consists essentially of about 2 to 30 percent of a 500 to 3,000 s.u.s. hydrocarbon oil and suitable emulsifiers and stabilizers used as the base for the emulsion including tall oil fatty acids, triethanolamine soaps, petroleum sulfonates, and non-ionic emulsifiers. By substituting an ethoxylated vegetable oil, such as caster oil, etc., for the hydrocarbon oil in the above formulation, a second extreme pressure lubricant is arrived at. Thus, this lubricant consists of 2 to 30 percent of an oxidized vegetable oil polymer where the oxidized portion is 4 to 30 moles selected from a group consisting of ethylene oxide (EO), propylene oxide (PO), and ethylene/propylene oxide (EO/PO) units of vegetable oil.

Abstract: A method for producing a silica sols containing less than 150 ppm sodium haivng an average particle size of 2-110 nm, and a particle size distribution with a coefficient dispersion of 0.16-0.4. The silica sols are produced using a KOH heal to which aliquots of modified silicic acid containing acidic anions are added. The aliquots are added to maintain a substantially constant concentration of colloidal silica in the product. Subsequent to production, the sols may be concentrated by ultrafiltration.Preparation of low sodium silica sols utilizing a constant silica technique by heating the initial heel to a temperature greater than 80.degree. C. and adding additional silica maintaining an approximately constant total silica. The stabilization is effected with a KOH.

Abstract: The growth of algae and algae-like microorganisms on wood surfaces normally in contact with an aqueous system's water may be controlled by applying to the wood a solution of a certain biocidal agent and then flooding the wood with sufficient water to exceed the solubility limit of such agent in the solvent used.

Abstract: A method of inhibiting scale, generally and specifically and preferably calcium phosphate and calcium carbonate scale, which is found on metal surfaces in contact with industrial cooling waters, boiler waters, oil well drilling waters, and evaporated sea water, which comprises treating the water present in such systems with a few ppm of a water-soluble anionic co- or terpolymer of N-vinyl-2-pyrrolidone (NVP) or vinyl amide. The preferred anionic comonomers are either acrylic or methacrylic acid.