Tenneco Chemicals, Inc.

Henri Sidi

Hilding R Johnson

Adolph J Deinet

Asghar Ali

Alfred Fischer

William G Hughes

Robert Caruso

Pasquale P Minieri

Universal pigment dispersions for use in surface-coating compositions contain as dispersant water-soluble salts of polymers prepared from monomer mixtures containing 30% to 75% by weight of at least one hydroxyalkyl methacrylate wherein the hydroxyalkyl group has 2 to 4 carbon atoms, 20% to 65% by weight of methacrylic acid, and 2% to 20% by weight of at least one other ethylenically-unsaturated monomer, such as styrene and/or glycidyl methacrylate.

Pigment dispersions for surface-coating compositions and surface-coating

Benzoic acid is produced from process residues resulting from the liquid phase air oxidation of toluene by a process in which

Process for the production of benzoic acid from process residues that

The discoloration that vinyl chloride resins usually undergo when a slurry containing one of these resins is heated at a temperature above 70.degree. C. to reduce its monomer content to less than 10 ppm is minimized or prevented by carrying out the heating step in the presence of a monomer-miscible color stabilizer that comprises an epoxide and an organic peroxide.

Color stabilizers for vinyl chloride resins

Solutions of overbased manganese salts of organic acids that contain from 20% to 28% by weight of manganese are prepared by

Process for the production of overbased manganese salts of organic acids

Vinyl chloride polymers are prepared by polymerizing a monomer component that comprises vinyl chloride in an aqueous system in the presence of an emulsifying agent that comprises an alkamine salt of dihydroxystearic acid, for example, triethanolamine dihydroxystearate.

Alkanolamine salts of dihydroxystearic acid as emulsifier in the

Color stabilization of vinyl chloride resins with peroxides and epoxy

The discoloration that vinyl chloride resins usually undergo when a slurry containing one of these resins is heated at a temperature above 70.degree. C. to reduce its monomer content to less than 10 ppm is minimized or prevented by carrying out the heating step in the presence of a monomer-miscible color stabilizer that comprises an organic peroxide and/or an organic azo compound.

Color stabilization of vinyl chloride resins

Biocidal compositions useful in controlling the growth of bacteria and fungi in aqueous surface coatings are aqueous solutions that contain from 20 percent to 80 percent by weight of bicyclic polyoxymethyleneoxazolidines having the structural formula ##STR1## wherein each R represents hydrogen, alkyl of 1 to 6 carbon atoms, phenyl, halophenyl, or --(CH.sub.2 O).sub.m CH.sub.2 OH; m represents a number in the range of 0 to 2; and n represents a number in the range of 1 to 4.

Biocidal compositions containing bicyclic polyoxymethyleneoxazolidines

Biocidal compositions useful in controlling the growth of bacteria and fungi in aqueous surface-coating compositions are aqueous solutions that contain from 20 percent to 80 percent by weight of monocyclic polyoxymethyleneoxazolidines having the structural formula ##STR1## wherein R represents hydrogen, alkyl of 1 to 6 carbon atoms, phenyl, halophenyl, or --(CH.sub.2 O).sub.m CH.sub.2 OH; each R' represents alkyl of 1 to 6 carbon atoms or --CH.sub.2 OH; m represents a number in the range of 0 to 2; and n represents a number in the range of 1 to 4.

Biocidal compositions containing monocyclic polyoxymethyleneoxazolidines

Biocidal compositions useful in controlling the growth of bacteria and fungi in aqueous surface-coating compositions are aqueous solutions that contain from 20 percent to 80 percent by weight of a monocyclic polyoxymethyleneoxazolidine having the structural formula ##EQU1## wherein R represents hydrogen, alkyl of 1 to 6 carbon atoms, phenyl, halophenyl, or --(CH.sub.2 O).sub.m CH.sub.2 OH; each R' represents alkyl of 1 to 6 carbon atoms or --CH.sub.2 OH; m represents a number in the range of 0 to 2; and n represents a number in the range of 1 to 4. The polyoxymethyleneoxazolidines preferably contain a total of not more than six oxymethylene units (--CH.sub.2 O--) in one or more ring substituents.

Monocyclic polyoxymethyleneoxazolidines and biocidal compositions

Biocidal compositions useful in controlling the growth of bacteria and fungi in aqueous surface coatings are aqueous solutions that contain from 20 percent to 80 percent by weight of a bicyclic polyoxymethyleneoxazolidine having the structural formula ##EQU1## wherein each R represents hydrogen, alkyl of 1 to 6 carbon atoms, phenyl, halophenyl, or --(CH.sub.2 O).sub.m CH.sub.2 OH; m represents a number in the range of 0 to 2; and n represents a number in the range of 1 to 4.

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Paramus, NJ, United States of America

Henri Sidi