Patents Represented by Attorney J. J. Yetter
  • Patent number: 5721205
    Abstract: Fabric softening compositions comprising fabric softening active(s), cellulase and an antioxidant effective amount of free radical scavenging antioxidant material and/or chelant.
    Type: Grant
    Filed: March 12, 1997
    Date of Patent: February 24, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Mary Vijayarani Barnabas, Kimberley Suzanne Severin, Scott William Waite
  • Patent number: 5707950
    Abstract: The invention concerns laundry detergent compositions comprising lipase (especially the variant D96L of the native lipase derived from Humicola lanuginosa), protease, and surfactant, wherein said compositions comprise levels of lipase enzyme and protease enzyme such that the whitening performance of said compositions is increased. These compositions deliver an improved whiteness maintenance and/or dingy clean-up on fabrics.
    Type: Grant
    Filed: October 11, 1996
    Date of Patent: January 13, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Chandrika Kasturi, Andre Baeck, Ann Margaret Wolff
  • Patent number: 5705469
    Abstract: A process is disclosed for the manufacture of a liquid detergent composition comprising a sulphiting agent and an enzyme system. Said enzyme system and said sulphiting agent interact together so as to generate odors which result in an odor deviation in said detergent composition. In the process of the invention, said enzyme system and said sulphiting agent are intimately mixed together separately from the remainder of the detergent composition so as to generate said odors outside the remainder of said detergent composition. Also disclosed is an enzyme premix consisting essentially of said enzyme system and said sulphiting agent.
    Type: Grant
    Filed: April 20, 1995
    Date of Patent: January 6, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Alan David Blake, Jozef Philemona R. Geudens, Paul Andrew Hardy, Fabrice Francois J. Questel
  • Patent number: 5703030
    Abstract: Bleach compositions comprising certain carboxylate-containing cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents and laundry compositions which provide enhanced cleaning/bleaching benefits (especially tea stain removal) through the selection of cobalt catalysts having the formula:?Co(NH.sub.3).sub.5 M!T.sub.ywherein cobalt is in the +3 oxidation state; and M is a substituted and unsubstituted C.sub.1 -C.sub.30 carboxylate-containing ligand having the formula RC(O)O--.
    Type: Grant
    Filed: October 25, 1996
    Date of Patent: December 30, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Christopher Mark Perkins, William Michael Scheper
  • Patent number: 5703034
    Abstract: The present invention relates to bleach catalyst-containing composite particles suitable for incorporation into granular detergent compositions, said composite particles comprising:(a) from about 1% to about 60% of bleach catalyst (preferably a cobalt catalyst); and(b) from about 40% to about 99% of carrier material that melts within the range of from about 38.degree. C. to about 77.degree. C. (preferably selected from the group consisting of polyethylene glycols, paraffin waxes, and mixtures thereof), and to processes for making these particles. These particles are particularly useful components of detergent compositions, such as laundry detergent compositions, hard surface cleaners, and especially automatic dishwashing detergent compositions.
    Type: Grant
    Filed: October 30, 1995
    Date of Patent: December 30, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Edward Robert Offshack, Jeffrey Donald Painter, Melissa Dee Aquino
  • Patent number: 5686404
    Abstract: The present invention provides suds controlling compositions, comprising a silicone antifoam agent, a carrier material, a dispersant and a polymer-based latex. The present invention also provides detergent compositions containing said suds controlling compositions.
    Type: Grant
    Filed: February 14, 1995
    Date of Patent: November 11, 1997
    Assignee: The Procter & Gamble Company
    Inventor: Etienne Maria B. A. Jeuniaux
  • Patent number: 5679630
    Abstract: The present invention relates to cleaning compositions comprising subtilisin proteases from Bacillus lentus having the following alterations: N76D, S103A and V104I, where the numbering is based on the corresponding positions in the subtilisin from Bacillus amyloliquefaciens.
    Type: Grant
    Filed: October 13, 1994
    Date of Patent: October 21, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Andre Baeck, Chanchal Kumar Ghosh, Thomas Paul Graycar, Richard Ray Bott, Lori Jean Wilson, Philip Frederick Brode, Bobby Lee Barnett, Donn Nelton Rubingh
  • Patent number: 5669984
    Abstract: A method for hand washing dishes comprises contacting dishes with an aqueous solution containing polyhydroxy amine compound and one or more surfactant materials.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: September 23, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Jeffrey John Scheibel, Daniel Stedman Connor, Yi-Chang Fu, Jean-Francois Bodet, Lesley Alexandra Brown, Phillip Kyle Vinson, Randall Thomas Reilman
  • Patent number: 5668073
    Abstract: The present invention provides a detergent composition comprising a quaternary ammonium compound of formula: R.sub.1 R.sub.2 R.sub.3 R.sub.4 N.sup.+ X.sup.-,wherein R.sub.1 is C.sub.8 -C.sub.16 alkyl, each of R.sub.2, R.sub.3 and R.sub.4 is independently C.sub.1 -C.sub.4 alkyl or hydroxy alkyl, benzyl or --(C.sub.2 H.sub.40).sub.x H where x has a value from 2 to 5, not more of R.sub.2, R.sub.3 or R.sub.4 being benzyl, and X is an anion, and a cellulase characterized in that said cellulase provides at least 10% removal of immobilized radio-active labelled carboxymethylcellulose according to the CMC-method at 25.times.10.sup.-6 % by weight of cellulase protein in the laundry test solution. According to the present invention, a preferred cellulase consists of a homogeneous endoglucanase component which is immunoreactive with a monoclonal antibody raised against a partially purified=43 kD cellulase derived from Humicola insolens DM 1800.
    Type: Grant
    Filed: June 19, 1996
    Date of Patent: September 16, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Andre Christian Convents, Alfred Busch, Andre Cesar Baeck
  • Patent number: 5652205
    Abstract: Laundry and cleaning compositions comprising a nonionic or anionic ester of an allylic alcohol perfume having the formula: ##STR1## especially geranyl and neryl esters.
    Type: Grant
    Filed: August 22, 1995
    Date of Patent: July 29, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Frederick Anthony Hartman, Mark Robert Sivik, John Cort Severns, Scott William Waite, Cynthia Lee Eddy
  • Patent number: 5597936
    Abstract: A method for manufacturing cobalt complexes having the formula:[Co(NH.sub.3).sub.5 M]T.sub.ywherein M ligands are selected from substituted and unsubstituted C.sub.1 -C.sub.30 carboxylic acids having the formulas:RC(O)O--;said method comprising reacting cobalt (II) complexes having the formula [Co(H.sub.2 O).sub.6 ] T.sub.y (e.g., T is chloride) with concentrated ammonium hydroxide/ammonium chloride, followed by an oxidizing agent (e.g., peroxide), followed by carboxylic acid anhydride of the formula RC(O)O(O)CR.
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: January 28, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Christopher M. Perkins, Mark R. Sivik
  • Patent number: 5582762
    Abstract: Aqueous liquid detergent compositions are described which comprise a proteolytic enzyme wherein the proteolytic activity is reversibly inhibited by a peptide trifluoromethyl ketone.
    Type: Grant
    Filed: February 8, 1995
    Date of Patent: December 10, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Regine Labeque, John M. McIver, Christiaan A. J. K. Thoen
  • Patent number: 5581005
    Abstract: A method for manufacturing cobalt complexes having the formula:[Co(NH.sub.3).sub.5 M]T.sub.ywherein M ligands are selected from substituted and unsubstituted C.sub.1 -C.sub.30 carboxylic acids having the formulas:RC(O)O--;said method comprising reacting cobalt complexes having the formula [Co(NH.sub.3).sub.5 X]T.sub.y (e.g., X is chlorine) with concentrated ammonium hydroxide followed by carboxylic acid anhydride of the formula RC(O)O(O)CR.
    Type: Grant
    Filed: June 16, 1995
    Date of Patent: December 3, 1996
    Assignee: The Procter & Gamble Company
    Inventor: Christopher M. Perkins
  • Patent number: 5576283
    Abstract: Aqueous liquid detergent compositions are described which comprise a proteolytic enzyme wherein the proteolytic activity is reversibly inhibited by a peptide aldehyde.
    Type: Grant
    Filed: February 8, 1995
    Date of Patent: November 19, 1996
    Assignee: The Procter & Gamble Company
    Inventors: James P. Johnston, Regine Labeque, Pierre M. A. Lenoir, Christiaan A. J. K. Thoen, John M. McIver
  • Patent number: 5565145
    Abstract: Cleaning and soil dispersing compositions comprising ethoxylated/propoxylated polyalkyleneamine polymers are provided. Thus, detergent compositions which comprise ethoxylated/propoxylated polyalkyleneamine polymers, such as poly(ethyleneimine) with a degree of ethoxylation of 1.0, provide soil dispersing performance in the wash liquor and whitening and/or cleaning benefits to fabrics, hard-surfaces, or dishware.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: October 15, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Randall A. Watson, Eugene P. Gosselink, Shulin Zhang
  • Patent number: 5565556
    Abstract: Starch is oxidized in a controlled manner using nitric acid, sulfuric acid and vanadium catalyst. The resulting oxidized starch is useful in detergent compositions as a dispersant, builder and cleaning auxiliary.
    Type: Grant
    Filed: November 16, 1994
    Date of Patent: October 15, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Stephen W. Heinzman, Jeffrey S. Dupont
  • Patent number: 5562847
    Abstract: The present invention relates to dryer-activated fabric softening compositions comprising: (A) fabric softening compounds; and (B) an ester of an alcohol perfume wherein the ester has at least one free carboxylic acid. The ester has the general formula: ##STR1## wherein R is selected from the group consisting of substituted or unsubstituted C.sub.1-C.sub.30 straight, branched or cyclic alkyl, alkenyl, alkynyl, alkylaryl, aryl group; or ring containing a heteroatom, R' is a perfume alcohol with a boiling point at 760 mm Hg of less than about 300 .degree. C.; and m and n are independently an integer of 1 or greater.
    Type: Grant
    Filed: November 3, 1995
    Date of Patent: October 8, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Scott W. Waite, John C. Severns, Mark R. Sivik, Frederick A. Hartman
  • Patent number: 5560858
    Abstract: A) A metallocatalyst selected from: a) metalloporphin and water-soluble or water-dispersable derivatives thereof; b) metaloporphyrin and water-soluble or water-dispersable derivatives thereof; c) metallophthalocyanine and water-soluble or water-dispersable derivatives thereof; B) a polyamine N-oxide containing polymers; C) an efficient amount of a bleaching agent.
    Type: Grant
    Filed: August 28, 1995
    Date of Patent: October 1, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Abdennaceur Fredj, Frederick E. Hardy, Alan D. Willey, James P. Johnston, Regine Labeque, Christiaan A. J. K. Thoen
  • Patent number: 5560748
    Abstract: Laundry and cleaning compositions which comprise large pore size redox catalysts.
    Type: Grant
    Filed: July 11, 1994
    Date of Patent: October 1, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Athanasios Surutzidis, Robert Y. Pan, Gregory S. Caravajal, James C. T. R. Burckett-St. Laurent
  • Patent number: 5559261
    Abstract: A method for manufacturing cobalt complexes having the formula:[Co(NH.sub.3).sub.5 OAc]T.sub.ysaid method comprising reacting cobalt (II) acetate having the formula Co(OAc).sub.2 4H.sub.2 O with concentrated ammonium hydroxide/ammonium acetate, followed by oxidizing agent (e.g., peroxide).
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: September 24, 1996
    Assignee: The Procter & Gamble Company
    Inventor: Mark R. Sivik