Patents by Inventor Kenneth J. Sienkowski

Kenneth J. Sienkowski has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5358665
    Abstract: Diethanolamine and monocarboxylic acid ester represented by the formula:RC(O)OR'are reacted to produce a reaction mixture comprising diethanol amide of monocarboxylic acid represented by the formula:RC(O)N(CH.sub.2 CH.sub.2 OH).sub.2and hydroxy-functional amide ester represented by the formula: ##STR1## wherein each R is independently a hydrophobic hydrocarbon group and R' is an alkyl group containing from 1 to about 18 carbon atoms. The reaction mixture is useful as an antistatic composition for formulating with polymers, especially polyolefins.
    Type: Grant
    Filed: August 21, 1991
    Date of Patent: October 25, 1994
    Assignee: PPG Industries, Inc.
    Inventors: Kenneth J. Sienkowski, Paritosh M. Chakrabarti
  • Patent number: 5229036
    Abstract: Diethanolamine and triglyceride are reacted to produce a reaction mixture comprising diethanol amide of monocarboxylic acid and hydroxy-functional glyceride. The reaction mixture is useful as an antistatic composition for formulating with polymers, especially polyolefins.
    Type: Grant
    Filed: October 7, 1991
    Date of Patent: July 20, 1993
    Assignee: PPG Industries, Inc.
    Inventors: Kenneth J. Sienkowski, Paritosh M. Chakrabarti
  • Patent number: 5164437
    Abstract: The water leaching of ammonium polyphosphate from compositions comprising organic polymer and particles of ammonium polyphosphate is reduced if the ammonium polyphosphate is surface-modified with anionic surfactant selected from fatty acids containing from about 12 to about 32 carbon atoms, bivalent metal salts of such fatty acids, trivalent metal salts of such fatty acids, and mixtures thereof.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: November 17, 1992
    Assignee: PPG Industries, Inc.
    Inventors: Paritosh M. Chakrabarti, Kenneth J. Sienkowski
  • Patent number: 5162418
    Abstract: The water leaching of ammonium polyphosphate from compositions comprising organic polymer and particles of ammonium polyphosphate is reduced if the ammonium polyphosphate is surface-modified with at least one nonionic surfactant selected from the group consisting of: (a) fatty alcohol containing from about 12 to about 32 carbon atoms, (b) alkylene oxide adduct of such fatty alcohol, (c) fatty acid amide containing from about 12 to about 32 carbon atoms in the acyl group thereof, (d) copolymer of ethylene oxide and propylene oxide, and (e) a mixture thereof, wherein the surfactant has an HLB less than about 10.
    Type: Grant
    Filed: October 29, 1990
    Date of Patent: November 10, 1992
    Assignee: PPG Industries, Inc.
    Inventors: Paritosh M. Chakrabarti, Kenneth J. Sienkowski
  • Patent number: 5109037
    Abstract: The water leaching of ammonium polyphosphate from compositions comprising organic polymer and particles of ammonium polyphosphate is reduced if the ammonium polyphosphate is surface-modified with copolymer of vinylpyrrolidone and comonomer selected from the group consisting of .alpha.-olefin containing from about 4 to about 50 carbon atoms, styrene, styrene substituted on the ring with at least one alkyl group containing from 1 to about 12 carbon atoms, and mixtures thereof.
    Type: Grant
    Filed: June 15, 1990
    Date of Patent: April 28, 1992
    Assignee: PPG Industries, Inc.
    Inventors: Paritosh M. Chakrabarti, Kenneth J. Sienkowski
  • Patent number: 5098939
    Abstract: Diethanolamine and triglyceride are reacted to produce a reaction mixture comprising diethanol amide of monocarboxylic acid and hydroxy-functional glyceride. The reaction mixture is useful as an antistatic composition for formulating with polymers, especially polyolefins.
    Type: Grant
    Filed: March 23, 1990
    Date of Patent: March 24, 1992
    Assignee: PPG Industries, Inc.
    Inventors: Kenneth J. Sienkowski, Paritosh M. Chakrabarti
  • Patent number: 5071901
    Abstract: The water leaching of ammonium polyphosphate from compositions comprising organic polymer and particles of ammonium polyphosphate is reduced if the ammonium polyphosphate is surface-modified with quaternary ammonium salt cationic surfactant.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: December 10, 1991
    Assignee: PPG Industries, Inc.
    Inventors: Paritosh M. Chakrabarti, Kenneth J. Sienkowski
  • Patent number: 4616049
    Abstract: Fire retardant compositions comprising organic polymer, organic fire retardant compound and particles of antimony oxide surface-modified with poly(dialkylsiloxane) or condensation residue thereof, often exhibit enhanced physical properties as compared with similar compositions employing untreated antimony oxide particles.
    Type: Grant
    Filed: April 24, 1985
    Date of Patent: October 7, 1986
    Assignee: PPG Industries, Inc.
    Inventors: Ralph B. Thompson, Kenneth J. Sienkowski
  • Patent number: 4602111
    Abstract: N,N-Bis(polybromophenyl)organoamines are useful flame retardants which may be admixed with polymers to impart flame retardancy to the resulting compositions. Examples of such flame retardants include N,N-bis(2,4,6-tribromophenyl)methylamine, N,N-bis(2,4,6-tribromophenyl)ethylamine, N,N-bis(2,4,6-tribromophenyl)-allylamine, and N,N-bis(2,4,6-tribromophenyl)benzylamine.
    Type: Grant
    Filed: December 29, 1983
    Date of Patent: July 22, 1986
    Assignee: PPG Industries, Inc.
    Inventors: Kenneth J. Sienkowski, Ralph B. Thompson
  • Patent number: 4546139
    Abstract: Polybromo dinaphthyl ethers may be employed as fire retardant additives to polymers.
    Type: Grant
    Filed: June 17, 1983
    Date of Patent: October 8, 1985
    Assignee: PPG Industries, Inc.
    Inventors: Paul G. Bay, Nicodemus E. Boyer, Kenneth J. Sienkowski
  • Patent number: 4226907
    Abstract: Disclosed is a flame retardant article comprising an article treated with a flame-retardingly effective amount of an intumescent composition comprising a hydroxyalkyl amino alkyl phosphonic acid, a cyclic nitrogen compound and water.
    Type: Grant
    Filed: September 17, 1979
    Date of Patent: October 7, 1980
    Assignee: Velsicol Chemical Corporation
    Inventors: Kenneth J. Sienkowski, Richard R. Nicholson, Ray E. Smith
  • Patent number: 4201593
    Abstract: An intumescent composition comprising a hydroxyalkyl amino alkyl phosphonic acid, a cyclic nitrogen compound, and water, wherein said phosphonic acid is selected from the group consisting of ##STR1## wherein x, y, and n are integers independently selected from the group consisting of 1 and 2, q is an integer selected from the group consisting of 1, 2, and 3, z is an integer selected from the group consisting of 0 and 1, R.sup.1 and R.sup.2 are independently selected from the group consisting of hydrogen, alkyl radicals containing from about 1 to about 6 carbon atoms, and haloalkyl radicals containing from about 1 to about 6 carbon atoms, and R.sup.3 is selected from the group consisting of alkyl radicals containing from about 1 to about 6 carbon atoms and haloalkyl radicals containing from about 3 to about 6 carbon atoms, provided that the total number of carbon atoms in the R.sup.1, R.sup.2, and R.sup.
    Type: Grant
    Filed: December 6, 1978
    Date of Patent: May 6, 1980
    Assignee: Velsicol Chemical Corporation
    Inventors: Kenneth J. Sienkowski, Richard R. Nicholson, Ray E. Smith, Jayendra G. Shukla