Patents Represented by Attorney Frank Taffy

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  • Detersive enzyme particles having water-soluble carboxylate barrier layer and compositions including same
    Patent number: 6432902
    Abstract: A particle for detersive enzymes is disclosed by way of the present invention. The particle comprises a composite particle suitable for incorporation into a detergent composition comprising an enzyme containing core material and a water soluble carboxylate barrier layer coated on the enzyme containing core material. The preferred enzymes are protease enzymes. Automatic dishwashing compositions employing the particle are also disclosed.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: August 13, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Melissa D. Aquino, Peter Robert Foley, Lynda Anne Speed, Xiaoqing Song, Glenn Steven Ward, Douglas A. Dale
  • Branched surfactant manufacture
    Patent number: 6433207
    Abstract: Alpha-olefins are dimerized to form branched-chain feedstocks for detersive surfactants.
    Type: Grant
    Filed: September 6, 2001
    Date of Patent: August 13, 2002
    Assignee: Procter & Gamble Company
    Inventor: Daniel Stedman Connor
  • Detergent composition with a selected surfactant system containing a mid-chain branched surfactant
    Patent number: 6380143
    Abstract: A detergent composition, having a selected surfactant system for improved performance, especially under high water hardness and low temperature wash water conditions is disclosed. The detergent composition includes a mid-chain branched primary alkyl sulfate surfactant in combination with a linear alkylbenzene sulfonate surfactant, and linear alkyl sulfate surfactant at optimally selected relative proportions. Additionally, the detergent composition contains up to about 5% of an alkyl ethoxylated sulfate surfactant and up to about 5% of a nonionic surfactant while unexpectedly having improved performance with such relatively low levels of a nonionic surfactant.
    Type: Grant
    Filed: April 10, 2000
    Date of Patent: April 30, 2002
    Inventors: Frank Andrej Kvietok, Gabor Heltovics, Rinko Katsuda, Kenneth William Willman
  • Detergent compositions comprising a mannanase and a protease
    Patent number: 6376445
    Abstract: Detergent compositions for cleansing fabrics, dishware and hard surfaces contain a mannanase enzyme, a protease enzyme and detersive ingredients. Mannanase enzymes from Bacillus agaradherens and Bacillus subtilisis strain 168, gene yght, as well as isolated polypeptides therefrom, are used to remove stains.
    Type: Grant
    Filed: April 5, 2000
    Date of Patent: April 23, 2002
    Assignee: Procter & Gamble Company
    Inventors: Jean-Luc Philippe Bettiol, Michael Stanford Showell
  • Dishwashing detergent compositions containing organic diamines for improved grease cleaning sudsing, low temperature stability and dissolution
    Patent number: 6365561
    Abstract: The present invention relates to detergent compositions containing low molecular weight organic diamines. More particularly, the invention is directed to detergent compositions for hand dishwashing which has improved grease removal performance and benefits in sudsing. The detergents of this invention also have improved low temperature stability properties and dissolution properties.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: April 2, 2002
    Assignee: Procter & Gamble Company
    Inventors: Phillip Kyle Vinson, Janice Lee Oglesby, Jeffrey John Scheibel, William Michael Scheper, Chandrika Kasturi, Kristen Lynne McKenzie, Kofi Ofosu-Asante, Joanna Margaret Clarke, Robert Owens
  • Thickened liquid dishwashing detergent compositions containing organic diamines
    Patent number: 6362147
    Abstract: Thickened liquid detergent compositions containing low molecular weight organic diamines. More particularly, thickened detergent compositions for hand dishwashing that have improved grease removal performance, benefits in sudsing, improved low temperature stability properties and dissolution properties.
    Type: Grant
    Filed: February 25, 2000
    Date of Patent: March 26, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Artemio Castro, Joanna Margaret Clarke, Morven Margaret Davies, Garry Kenneth Embleton, Christopher Lamb