Abstract: Provided is an aqueous dispersion of particles of sulfate-process titanium dioxide, wherein polymeric particles are adsorbed onto said particles of titanium dioxide, wherein said polymeric particles comprise polymerized units of one or more P-acid monomer. Also provided is an aqueous dispersion, wherein said aqueous dispersion is a grind made by a process comprising making a mixture that comprises water, polymeric particles, and particles of sulfate-process titanium dioxide, wherein said polymeric particles comprise polymerized units of one or more P-acid monomer, and wherein the volume ratio of said polymeric particles to said particles of sulfate-process titanium dioxide is 2.5:1 to 10:1.

Abstract: The present invention is a drying composition comprising spherical beads and a stable aqueous dispersion of polymer particles and also a dried composition of the spherical beads and a polymer film. The composition is useful as a wall repair formulation.

Abstract: This invention provides low odor stable coating compositions, and methods of their production. The stable aqueous coating compositions and paints comprise one or more emulsion-polymerized addition polymer and one or more carboxylesterase enzyme having an ester hydrolysis activity in the composition of less than 0.03 micromole/minute, wherein the aqueous coating composition has a headspace volatile organic compound (VOC) content, as measured by headspace gas chromatography-mass spectrometry (GC-MS) at 33° C., of less than 10 ppm of the one or more organic carboxylester with a normal boiling point of less than 150° C. and more than 50 ppm of the one or more mono-alcohol with a formula molecular weight of less than 76.

Abstract: The present invention relates to a process comprising the steps of a) contacting an aqueous dispersion of a TiO2 slurry containing adsorbing dispersant with an adsorbing latex to form a mixture, wherein the pH of the mixture of the TiO2 slurry and adsorbing latex are sufficiently high to inhibit interaction between the TiO2 and the adsorbing dispersant; then b) lowering the pH of the mixture of step a) sufficiently to promote interaction between the TiO2 and the adsorbing latex, thereby forming a composite; wherein the adsorbing latex comprises structural units of itaconic acid or a salt thereof. The process of the present invention provides for improved hiding and reduced grit for coatings compositions.

Abstract: This invention provides stable aqueous compositions including stable coating compositions, and methods of their production. The stable aqueous compositions and stable aqueous coating compositions comprise one or more emulsion-polymerized addition polymer, one or more carboxylesterase enzyme, and one or more carboxylesterase deactivating agent, such that the ester hydrolysis activity in the composition is less than 0.010 micromole/minute, and wherein the aqueous composition has a headspace volatile organic compound (VOC) content, as measured by headspace gas chromatography-mass spectrometry (GC-MS) at 33° C., of less than 10 ppm of organic carboxylester with a normal boiling point of less than 150° C. and more than 50 ppm of mono-alcohol with a formula molecular weight of less than 76.

Abstract: This invention provides stable aqueous compositions including stable coating compositions, and methods of their production. The stable aqueous compositions and stable aqueous coating compositions comprise i) an aqueous dispersion of one or more emulsion-polymerized addition polymer comprising polymerized units of one or more carboxylester monomer, wherein at least one carboxylester monomer is a vinyl ester monomer; ii) one or more carboxylesterase enzyme; iii) one or more mono-alcohol with a formula molecular weight of less than 76; iv) optionally, acetaldehyde; and v) optionally, one or more organic carboxylester with a normal boiling point of less than 150° C.; and wherein the aqueous composition has a headspace volatile organic compound (VOC) content, as measured by headspace gas chromatography-mass spectrometry (GC-MS) at 33° C.

Abstract: The present invention is a drying composition comprising spherical beads and a stable aqueous dispersion of polymer particles and also a dried composition of the spherical beads and a polymer film. The composition is useful as a wall repair formulation.

Abstract: This invention provides low odor stable coating compositions, and methods of their production. The stable aqueous coating compositions and paints comprise one or more emulsion-polymerized addition polymer and one or more carboxylesterase enzyme having an ester hydrolysis activity in the composition of less than 0.03 micromole/minute, wherein the aqueous coating composition has a headspace volatile organic compound (VOC) content, as measured by headspace gas chromatography-mass spectrometry (GC-MS) at 33° C., of less than 10 ppm of the one or more organic carboxylester with a normal boiling point of less than 150° C. and more than 50 ppm of the one or more mono-alcohol with a formula molecular weight of less than 76.

Abstract: This invention provides stable aqueous compositions including stable coating compositions, and methods of their production. The stable aqueous compositions and stable aqueous coating compositions comprise i) an aqueous dispersion of one or more emulsion-polymerized addition polymer comprising polymerized units of one or more carboxylester monomer, wherein at least one carboxylester monomer is a vinyl ester monomer; ii) one or more carboxylesterase enzyme; iii) one or more mono-alcohol with a formula molecular weight of less than 76; iv) optionally, acetaldehyde; and v) optionally, one or more organic carboxylester with a normal boiling point of less than 150° C.; and wherein the aqueous composition has a headspace volatile organic compound (VOC) content, as measured by headspace gas chromatography-mass spectrometry (GC-MS) at 33° C.

Abstract: This invention provides stable aqueous compositions including stable coating compositions, and methods of their production. The stable aqueous compositions and stable aqueous coating compositions comprise one or more emulsion-polymerized addition polymer, one or more carboxylesterase enzyme, and one or more carboxylesterase deactivating agent, such that the ester hydrolysis activity in the composition is less than 0.010 micromole/minute, and wherein the aqueous composition has a headspace volatile organic compound (VOC) content, as measured by headspace gas chromatography-mass spectrometry (GC-MS) at 33° C., of less than 10 ppm of organic carboxylester with a normal boiling point of less than 150° C. and more than 50 ppm of mono-alcohol with a formula molecular weight of less than 76.

Abstract: A macroporous core-shell resin bead having carboxylic acid groups; the bead has from 3% to 100% of monomer residues derived from crosslinker, an average pore diameter of at least 1.5 nm, and an average particle size from 10 pm to 900 ?m; wherein at least 90% of the carboxylic acid groups in the bead are in the shell region, and the shell region comprises from 5% to 75% of the bead by volume.

Abstract: The present invention provides a method for producing a free flowing and/or non clumping resin that includes prior to drying, shrinking the resin under agitation. In one variant of the invention, the is a resin used in solid phase synthesis of peptides. In another aspect the invention provides a process of making a peptide using the free flowing resin described herein, and a polypeptide made using the process. Various therapeutics are then be made using the polypepdite.