Patents by Inventor Patrick Durbut

Patrick Durbut 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: 5545344
    Abstract: A phosphate-free liquid dishwashing composition containing at least one protease enzyme and an amylase enzyme has been found to be very useful as an automatic dishwasher composition.
    Type: Grant
    Filed: October 17, 1994
    Date of Patent: August 13, 1996
    Assignee: Colgate-Palmolive Co.
    Inventors: Patrick Durbut, Fahim Ahmed, Julien Drapier
  • Patent number: 5527483
    Abstract: Nonaqueous gelled automatic dishwashing compositions containing a mixture of a protease enzyme and an amylase enzyme have been found to be very useful in the removal of protein and carbohydrate soils from dishware at operating temperatures of 100.degree. F. to 140.degree. F.
    Type: Grant
    Filed: March 31, 1994
    Date of Patent: June 18, 1996
    Assignee: Colgate Palmolive Co.
    Inventors: Divaker Kenkare, Nagaraj Dixit, Patrick Durbut
  • Patent number: 5527484
    Abstract: A powdered dishwashing composition containing a mixture of protease enzyme and anamylase enzymes have been found to be very useful in the cleaning of dishware. The compositions contain nonionic surfactants, at least one builder salt, and an alkali metal silicate and optionally a bleaching agent.
    Type: Grant
    Filed: October 6, 1994
    Date of Patent: June 18, 1996
    Assignee: Colgate-Palmolive Co.
    Inventors: Fahim U. Ahmed, Julien Drapier, Patrick Durbut
  • Patent number: 5510048
    Abstract: A phosphate-free liquid dishwashing composition containing at least one protease enzyme and an amylase enzyme has been found to be very useful as an automatic dishwasher composition.
    Type: Grant
    Filed: October 17, 1994
    Date of Patent: April 23, 1996
    Assignee: Colgate Palmolive Co.
    Inventors: Patrick Durbut, Fahim U. Ahmed, Julien Drapier
  • Patent number: 5474699
    Abstract: A powdered dishwashing composition containing a mixture of protease enzyme and an amylase enzymes have been found to be very useful in the cleaning of dishware. The compositions can contain a nonionic surfactants, phosphate builder salt, and an alkali metal silicate and optionally a bleaching agent.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: December 12, 1995
    Assignee: Colgate-Palmolive Co.
    Inventors: Fahim U. Ahmed, Julien Drapier, Patrick Durbut
  • Patent number: 5415812
    Abstract: A light duty microemulsion liquid detergent composition, useful for removing greasy soils from surfaces with both neat and diluted forms of the detergent composition, includes a moderately water soluble complex of anionic and cationic surfactants, in which complex the anionic and cationic moieties are in essentially equivalent or equimolar proportions, an anionic detergent, a co-surfactant, an organic solvent and water.
    Type: Grant
    Filed: September 3, 1993
    Date of Patent: May 16, 1995
    Assignee: Colgate-Palmolive Co.
    Inventors: Patrick Durbut, Ammanuel Mehreteab, Myriam Mondin, Guy Broze
  • Patent number: 5393468
    Abstract: A composition comprising approximately by weight 6 to 50% of a mixture of two different anionic surfactants, one of said anionic surfactants being a sulphonate and the other said anionic surfactant being a sulphate, a ratio of said sulphonate to said sulphate being 10:1 to 1:10; 0 to 6% of a nonionic surfactant; 1 to 20% of at least one of a water insoluble organic compound; 0 to 8% of a solubilizing agent; 0 to 14% of at least one water soluble hydroxy containing organic compound; and the balance being water, wherein the composition has a pH of about 1 to about 11 and is optically clear having at least 90% light transmission and the interfacial tension between the lipophile droplets of said composition and the aqueous phase less than about 10.sup.-2 m N/m.
    Type: Grant
    Filed: July 14, 1993
    Date of Patent: February 28, 1995
    Assignee: Colgate Palmolive Company
    Inventors: Rita Erilli, Regis Lysy, Patrick Durbut, Guy Broze
  • Patent number: 5240633
    Abstract: Nonaqueous liquid automatic dishwashing compositions containing a binary mixture of Protein Engineered Maxacal (Maxapem 15 and Maxapem 42), enzyme and Maxamyl enzyme have been found to be very useful in the removal of protein and carbohydrate soils from dishware at operating temperatures of about 100.degree. F. to about 140.degree. F.
    Type: Grant
    Filed: May 31, 1991
    Date of Patent: August 31, 1993
    Assignee: Colgate-Palmolive Company
    Inventors: Fahim U. Ahmed, Patrick Durbut, Julien Drapier
  • Patent number: 5173207
    Abstract: A phospate-free powdered dishwashing composition containing a mixture of protease enzyme and anamylase enzymes have been found to be very useful in the cleaning of dishware. The compositions contain nonionic surfactants and a alkali metal silicate and bleaching agent.
    Type: Grant
    Filed: May 31, 1991
    Date of Patent: December 22, 1992
    Assignee: Colgate-Palmolive Company
    Inventors: Julien Drapier, Patrick Durbut, Fahim U. Ahmed
  • Patent number: 5169553
    Abstract: A phosphate-free liquid dishwashing composition containing a binary mixture of a protease enzyme and an amylase enzyme have been found to be very useful. The compositions also contain nonionic surfactants.
    Type: Grant
    Filed: May 31, 1991
    Date of Patent: December 8, 1992
    Assignee: Colgate Palmolive Company
    Inventors: Patrick Durbut, Fahim Ahmed, Julien Drapier
  • Patent number: 4919839
    Abstract: A light duty microemulsion liquid detergent composition, useful for removing greasy soils from surfaces with both neat and dilute forms of the detergent composition, includes a moderately water soluble complex of anionic and cationic surfactants, in which complex the anionic and cationic moieties are in essentially equivalent or equimolar proportions, an anionic detergent, a co-surfactant, an organic solvent and water.
    Type: Grant
    Filed: February 21, 1989
    Date of Patent: April 24, 1990
    Assignee: Colgate Palmolive Co.
    Inventors: Patrick Durbut, Ammanuel Mehreteab, Myriam Mondin, Guy Broze