Patents by Inventor Kevin Rodney Lassila

Kevin Rodney Lassila 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).

  • Publication number: 20030087969
    Abstract: A method for controlling the foaming of an aqueous organic compound-containing composition by the incorporation of a foam controlling amount of a compound of the formula: 1
    Type: Application
    Filed: July 20, 2001
    Publication date: May 8, 2003
    Inventors: Caroline Sassano Slone, Kevin Rodney Lassila
  • Patent number: 6544591
    Abstract: This invention provides water-based compositions which are essentially free of hydrocarbon solvents, particularly coating, ink, fountain solution, adhesive and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain tartrate diester compounds of the structure where R1 and R2 are C4 to C6 alkyl groups.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: April 8, 2003
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Caroline Sassano Slone, Kevin Rodney Lassila
  • Publication number: 20030033957
    Abstract: This invention provides water-based compositions which are essentially free of hydrocarbon solvents, particularly coating, ink, fountain solution, adhesive and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain tartrate diester compounds of the structure 1
    Type: Application
    Filed: February 20, 2002
    Publication date: February 20, 2003
    Inventors: Caroline Sassano Slone, Kevin Rodney Lassila
  • Publication number: 20030008943
    Abstract: This invention provides water-based compositions which are essentially free of hydrocarbon solvents, particularly coating, ink, fountain solution, adhesive and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain tartrate diester compounds of the structure 1
    Type: Application
    Filed: February 20, 2002
    Publication date: January 9, 2003
    Inventors: Caroline Sassano Slone, Kevin Rodney Lassila
  • Patent number: 6492559
    Abstract: This invention provides water-based compositions, particularly coating, ink, and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain alkylated aminoether compounds of the structure R—HN(CH2)p[O(CH2)n]mO(CH2)qNH—R′ where n is 2-6, m is 0-4, and p and q are 2-6, and R and R′ independently are an alkyl group comprising 5 to 18 carbons, preferably which is branched or in which the point of attachment to nitrogen is on a nonterminal carbon.
    Type: Grant
    Filed: January 4, 2000
    Date of Patent: December 10, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kevin Rodney Lassila, Kristen Elaine Minnich, Richard Van Court Carr
  • Patent number: 6458876
    Abstract: Improved ink jet paper coatings which impart high optical density images and excellent water resistance to paper and a process for making an improved ink jet recording paper. The coating composition comprises an inorganic pigment preferably silica, and a PVOH composition in which the PVOH is blended with an alkylated non-polymeric polyamine.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: October 1, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: John Joseph Rabasco, Kevin Rodney Lassila, Richard Van Court Carr, Kristen Elaine Minnich
  • Patent number: 6455234
    Abstract: This invention provides water-based compositions, particularly coating, ink, fountain solution and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of an acetylenic diol ethylene oxide/propylene oxide adduct of the structure where r and t are 1 or 2, (n+m) is 1 to 30 and (p+q) is 1 to 30. Use of such adducts as surfactants in photoresist developer/electronics cleaning compositions is particularly advantageous. Also disclosed is a method for making random and block EO/PO adducts of acetylenic diols by reacting an acetylenic diol with EO and/or PO in the presence of a trialkylamine or Lewis acid.
    Type: Grant
    Filed: December 18, 2001
    Date of Patent: September 24, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kevin Rodney Lassila, Paula Ann Uhrin, Joel Schwartz
  • Patent number: 6437009
    Abstract: This invention provides water-based compositions, particularly coating, ink, fountain solution, adhesive, agricultural and electronics cleaning compositions, manifesting reduced equilibrium surface tension by the incorporation of a surface tension reducing amount of an N-alkylimide of tartaric acid and/or an N-alkylimide of malic acid of the following structures, respectively: where R1 is a C5 to C10 alkyl group.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: August 20, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Ingrid Kristine Meier, Kevin Rodney Lassila, Caroline Sassano Slone
  • Publication number: 20020103280
    Abstract: This invention provides water-based compositions, particularly coating, ink, fountain solution, adhesive and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain malate diester compounds of the structure 1
    Type: Application
    Filed: January 9, 2002
    Publication date: August 1, 2002
    Inventors: Kevin Rodney Lassila, Caroline Sassano Slone
  • Patent number: 6423376
    Abstract: This invention provides water-based compositions which are essentially free of hydrocarbon solvents, particularly coating, ink, fountain solution, adhesive and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain tartrate diester compounds of the structure where R1 and R2 are C4 to C6 alkyl groups.
    Type: Grant
    Filed: April 6, 2000
    Date of Patent: July 23, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Caroline Sassano Slone, Kevin Rodney Lassila
  • Patent number: 6413914
    Abstract: This invention provides water-based compositions, particularly coating, ink, fountain solution, adhesive, agricultural and electronics cleaning compositions, manifesting reduced equilibrium surface tension by the incorporation of a surface tension reducing amount of an N,N′-dialkylamide of malic acid of the following structure: where R1 and R2 are C4 to C10 alkyl groups, preferably at least one of R1 and R2 being a branched C4 to C10 alkyl group.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: July 2, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Ingrid Kristine Meier, Kevin Rodney Lassila, Caroline Sassano Slone
  • Patent number: 6399088
    Abstract: This invention provides water-based compositions which are essentially free of hydrocarbon solvents, particularly coating, ink, fountain solution, adhesive, agricultural and electronics cleaning compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain tri-alkylamides of citric acid of the structure where R1, R2 and R3 are independently C1 to C18 alkyl groups.
    Type: Grant
    Filed: July 9, 2001
    Date of Patent: June 4, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Caroline Sassano Slone, Kevin Rodney Lassila, Ingrid Kristine Meier
  • Patent number: 6399543
    Abstract: This invention provides water-based compositions, particularly coating, ink, fountain solution, adhesive, agricultural and electronics cleaning compositions, manifesting reduced equilibrium surface tension by the incorporation of a surface tension reducing amount of an N,N′-dialkylamide of tartaric acid of the following structure: where R1 and R2 are C4 to C8 alkyl groups with at least one of R1 and R2 being a branched C4 to C8 alkyl group.
    Type: Grant
    Filed: March 29, 2001
    Date of Patent: June 4, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Ingrid Kristine Meier, Kevin Rodney Lassila, Caroline Sassano Slone
  • Publication number: 20020055660
    Abstract: This invention provides water-based compositions, particularly coating, ink, fountain solution and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of an acetylenic diol ethylene oxide/propylene oxide adduct of the structure 1
    Type: Application
    Filed: October 11, 2001
    Publication date: May 9, 2002
    Inventors: Kevin Rodney Lassila, Paula Ann Uhrin
  • Publication number: 20020041933
    Abstract: This invention provides water-based compositions which are essentially free of hydrocarbon solvents, particularly coating, ink, fountain solution, adhesive, agricultural and electronics cleaning compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain tri-alkylamides of citric acid of the structure 1
    Type: Application
    Filed: July 9, 2001
    Publication date: April 11, 2002
    Inventors: Caroline Sassano Slone, Kevin Rodney Lassila, Ingrid Kristine Meier
  • Patent number: 6369146
    Abstract: This invention provides water-based compositions, particularly coating, ink, fountain solution, adhesive and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain malate diester compounds of the structure where R1 and R2 are C3 to C6 alkyl groups.
    Type: Grant
    Filed: October 26, 1999
    Date of Patent: April 9, 2002
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kevin Rodney Lassila, Caroline Sassano Slone
  • Patent number: 6313182
    Abstract: This invention provides water-based compositions, particularly coating, ink, fountain solution and agricultural compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of an acetylenic diol ethylene oxide/propylene oxide adduct of the structure where r and t are 1 or 2, (n+m) is 1 to 30 and (p+q) is 1 to 30. Also disclosed is a method for making random and block EO/PO adducts of acetylenic diols by reacting an acetylenic diol with EO and/or PO in the presence of a trialkylamine or Lewis acid.
    Type: Grant
    Filed: May 4, 1999
    Date of Patent: November 6, 2001
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kevin Rodney Lassila, Paula Ann Uhrin
  • Patent number: 6306463
    Abstract: This invention provides water-based compositions which are essentially free of hydrocarbon solvents, particularly coating, ink, fountain solution, adhesive, agricultural and electronics cleaning compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain tri-alkylamides of citric acid of the structure where R1, R2 and R3 are independently C1 to C18 alkyl groups.
    Type: Grant
    Filed: July 20, 2000
    Date of Patent: October 23, 2001
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Caroline Sassano Slone, Kevin Rodney Lassila, Ingrid Kristine Meier
  • Patent number: 6288151
    Abstract: Novel alkyl aminoalkyl cyclic urea compounds of the structural formula: wherein each of m, n, and o are independently 1 or 2, p is 0 or 1, R1 is C1 to C4 linear or branched alkyl, R2 is C4 to C10 linear or branched alkyl, or, alternately, CHR1R2 forms a C6 to C12 substituted or unsubstituted cycloalkyl. These novel alkylated aminoalkyl cyclic ureas are useful as surfactants for reducing equilibrium and dynamic surface tension in water-based formulations, particularly coating, ink, and agricultural formulations.
    Type: Grant
    Filed: October 14, 1999
    Date of Patent: September 11, 2001
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Kevin Rodney Lassila, Kristen Elaine Minnich, Richard Van Court Carr
  • Patent number: 6281170
    Abstract: This invention provides water-based compositions, particularly coating, ink, adhesive, fountain solution, agricultural and photoresist developer compositions, manifesting reduced equilibrium and dynamic surface tension by the incorporation of a surface tension reducing amount of certain trialkyl urea compounds of the structure where R1 and R2 are C2 to C6 alkyl groups, R3 is methyl or ethyl, and the total number of carbon atoms in R1, R2 and R3 is from 6 to 14.
    Type: Grant
    Filed: October 18, 1999
    Date of Patent: August 28, 2001
    Assignee: Air Products and Chemicals, Inc.
    Inventors: John Anthony Marsella, Kevin Rodney Lassila, Robert Lee Fowlkes