Patents Represented by Attorney Brian M. Bolam
  • Patent number: 5830840
    Abstract: The invention relates to a detergent composition which is a liquid detergent composition which comprises a surfactant, a proteolytic enzyme, and an enzyme inhibitor which is a peptide aldehyde. Said peptide aldehyde inhibitor contain 4 or 5 amino acids. Said peptide aldehydes are used to enhance the stability of proteolytic enzymes in liquid detergent environments.
    Type: Grant
    Filed: September 25, 1996
    Date of Patent: November 3, 1998
    Assignee: The Procter & Gamble Company
    Inventors: James Pyott Johnston, Regine Labeque, Pierre Marie Alain Lenoir, Christiaan Arthur J. K. Thoen, John McMillan McIver
  • Patent number: 5830835
    Abstract: The present invention relates to dryer-activated fabric softening compositions comprising: (A) fabric softening compounds; (B) a non-allylic perfume alcohol ester; and (C) optionally, (1) a carboxylic acid salt of a tertiary amine and/or a tertiary amine ester; and (2) a nonionic softener; wherein, preferably, the Iodine Value of the total number of fatty acyl groups present in (A), (C)(1), and (C)(2) is from about 3 to about 60. These compositions exhibit good antistatic properties as well as improved delivery from a substrate.
    Type: Grant
    Filed: June 28, 1996
    Date of Patent: November 3, 1998
    Assignee: Procter & Gamble Company
    Inventors: John Cort Severns, Mark Robert Sivik, Frederick Anthony Hartman, Hugo Robert Germain Denutte, Jill Bonham Costa, Alex Haejoon Chung, Rafael Ortiz
  • Patent number: 5827813
    Abstract: Detegent composition having color care agents are provided. The detergent compositions comprise from about 0.1% to about 50% of by weight of the composition of a color care agent having the formula:(R.sub.1)(R.sub.2)N(CX.sub.2).sub.n N(R.sub.3)(R.sub.4)wherein X is selected from the group consisting of hydrogen, linear or branched; substituted or unsubstituted alkyl having from 1-10 carbons atoms and substituted or unsubstituted aryl having at least 6 carbon atoms; n is an integer from 1 to 6; R.sub.1, R.sub.2, R.sub.3, and R.sub.4 are independently selected from the group consisting of alkyl; aryl; alkaryl; arylalk; hydroxyalkyl; polyhydroxyalkyl; polyalkylether having the formula --((CH.sub.2).sub.y O).sub.z R.sub.7 where R.sub.7 is hydrogen or a linear, branched, substituted or unsubstituted alkyl chain having from 1 to 10 carbon atoms and where y is an integer from 2 to 10 and z is an integer from 1 to 30; alkoxy; polyalkoxy having the formula: --(O(CH.sub.2).sub.y).sub.z R.sub.7 ; the group --C(O)R.sub.
    Type: Grant
    Filed: December 18, 1997
    Date of Patent: October 27, 1998
    Assignee: Procter & Gamble Company
    Inventors: Frederick Anthony Hartman, Robert Allen Godfroid, Janet Sue Littig, Mark Robert Sivik
  • Patent number: 5817614
    Abstract: Bleach boosters comprising quaternary imine zwitterions are disclosed. The bleach boosters increase bleaching effectiveness in lower temperature solutions and demonstrate superior color safety profiles. The bleach boosters are ideally suited for inclusion into bleaching compositions including those with detersive surfactants and enzymes. Also provided is a laundry additive product including quaternary imine zwitterions. A method for laundering a fabric employing the bleach boosters of the present invention is also disclosed.
    Type: Grant
    Filed: August 29, 1996
    Date of Patent: October 6, 1998
    Assignee: Procter & Gamble Company
    Inventors: Gregory Scot Miracle, Robert Richard Dykstra
  • Patent number: 5814590
    Abstract: The present invention relates to hard surface cleaning compositions comprising a dianionic sulfosuccinamate and a polyethoxylated alcohol nonionic surfactant which provides non-streaking and non-filming benefits. The compositions of the present invention are effective on clear and colorless, shiny, or "semi-gloss" surfaces.
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: September 29, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Alan Edward Sherry, Daniel Stedman Connor, Robert Emerson Stidham
  • Patent number: 5804544
    Abstract: A granular detergent composition is provided containing (a) from 3% to 30% by weight of the composition of a surfactant system containing from 30% to 100% by weight of the surfactant system of high-sudsing surfactant selected from alkyl sulfate, alkyl ethoxysulfate, polyhydroxy fatty acid amide surfactant, and mixtures thereof; (b) from 0.05% to 20% of the composition of a suds suppressing system comprising in combination(i) a spray on component, comprising antifoam compound and a carrier fluid wherein said spray-on component is incorporated into said granular detergent composition by being sprayed on to one or more of the granular components of the composition(ii) a particulate component, comprising in combination an antifoam compound and a water-soluble or water-dispersible carrier material, wherein said granular detergent composition is free from alkyl benzene sulfonate surfactant.
    Type: Grant
    Filed: July 5, 1996
    Date of Patent: September 8, 1998
    Assignee: Procter & Gamble Company
    Inventors: Suzanne Powell, Christiaan Arthur Thoen
  • Patent number: 5804542
    Abstract: Automatic dishwashing detergent compositions comprising certain cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits (especially tea stain removal) through the selection of cobalt catalysts having the formula:?Co(NH.sub.3).sub.n (X).sub.m !T.sub.y.Preferred automatic dishwashing compositions comprise amylase and/or protease enzymes. Included are methods for washing tableware in domestic automatic dishwashing appliances using the cobalt catalysts.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: September 8, 1998
    Assignee: The Procter & Gamble Company
    Inventors: William Michael Scheper, Alan Scott Goldstein, Edward Eugene Getty
  • Patent number: 5798326
    Abstract: Automatic dishwashing detergent compositions comprising certain cobalt catalysts are provided. More specifically, the invention relates to automatic dishwashing detergents which provide enhanced cleaning/bleaching benefits (especially tea stain removal) through the selection of cobalt (III) catalysts having the formula:Co?(NH.sub.3).sub.n M.sub.m B.sub.b T.sub.t Q.sub.q P.sub.p !Y.sub.yPreferred automatic dishwashing compositions comprise amylase and/or protease enzymes. Included are methods for washing tableware in domestic automatic dishwashing appliances using the cobalt catalysts.
    Type: Grant
    Filed: February 10, 1997
    Date of Patent: August 25, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Alan Scott Goldstein, Edward Eugene Getty, William Michael Scheper
  • Patent number: 5792738
    Abstract: There is provided a granular, silicate-built, phosphate free laundry detergent composition comprising fine alkali metal percarbonate particles having mean particle diameter below 450 .mu.m, preferably below 400 .mu.m, wherein no more than 20%, preferably no more than 10%, of the particles have a diameter above 710 .mu.m, said particles having a coating comprising one or more soluble inorganic salts. The salts may be selected from alkali or alkaline earth metal carbonates, sulphates, chlorides and nitrates. The coated percarbonate particles have improved stability to storage and are capable of dissolving quickly in wash liquor.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: August 11, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Gerard Marcel Baillely, Anthony Dovey, Graham Alexander Sorrie, David William York
  • Patent number: 5789373
    Abstract: Laundry additive compositions and methods for their use are provided. The compositions include a dispersible polyolefin, preferably polyethylene, and at least one compound selected from the group consisting of dye fixative agents, chelating agents, dye transfer inhibiting agents, chlorine scavenging agents, free radical scavenging agents, cellulase enzymes and mixtures thereof. Preferably, the composition is a liquid composition added to the rinse cycle of a consumer laundry process or to a pre-treatment cycle before a wash cycle of a consumer laundry process.
    Type: Grant
    Filed: January 31, 1996
    Date of Patent: August 4, 1998
    Inventors: Ellen Schmidt Baker, Frederick Anthony Hartman, Bruno Albert Jean Hubesch, Axel Masschelein
  • Patent number: 5786316
    Abstract: The invention concerns compositions comprising xylanolytic activity. Specfically, the invention relates to detergent compositions havin xylanase activity. Specific compositions show an excellent boost on cleaning performanc on fruit, vegetables and/or mud and clay compounds containing said soil.
    Type: Grant
    Filed: April 16, 1997
    Date of Patent: July 28, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Andre Cesar Baeck, Alfred Busch, Ann Katrien Marie Agnes Verschuere
  • Patent number: 5786315
    Abstract: Automatic dishwashing detergent compositions comprising a carbonate source and a pH from about 5.0 to about 9.5 for enhanced filming performance are disclosed. Particularly preferred compositions contain polymer dispersant and silicate.
    Type: Grant
    Filed: October 23, 1996
    Date of Patent: July 28, 1998
    Assignee: The Procter & Gamble Company
    Inventor: Eugene Steven Sadlowski
  • Patent number: 5786314
    Abstract: Automatic dishwashing detergent compositions comprising a weight to weight ratio of calcium complexing component to carbonate source of at least 0.9 and having a pH between about 7 and about 11 are disclosed. The compositions exhibit enhanced filming performance, particularly preferred compositions additionally contain polymer dispersant and silicate.
    Type: Grant
    Filed: October 18, 1996
    Date of Patent: July 28, 1998
    Assignee: The Procter & Gamble Company
    Inventor: Eugene Steven Sadlowski
  • Patent number: 5780410
    Abstract: A granular detergent composition comprising an alkali metal percarbonate, characterized in that percarbonate has a mean particle size of from 250 to 900 micrometers, and that said compositions comprise a hydrophobic material, selected from silica, talc, zeolite DAY and hydrotalcit, in a weight ratio of alkali metal percarbonate to hydrophobic material, of from 4:1 to 40:1, preferably 7:1 to 20:1. Both laundry detergent compositions including laundry additives and automatic dishwashing compositions are encompassed by the term "detergent composition" herein. Making processes thereof are also described.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: July 14, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Gerard Marcel Baillely, Paul Amaat Raymond G. France, Carole Patricia D. Wilkinson
  • Patent number: 5776874
    Abstract: The present invention relates to a detergent composition containing from 1% to 80% by weight of a detergent builder compound; from 0.005% to 2,5% by weight of a paraffin oil; an oxygen-releasing bleaching agent such that the level of available oxygen in the composition measured according to the method herein is from 0.3% to 2.5% wherein the rate of release of said available oxygen is such that the available oxygen is completely released from the composition in a time interval of from 3.5 minutes to 10.0 minutes, using the test protocol described in the present description.
    Type: Grant
    Filed: April 18, 1996
    Date of Patent: July 7, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Fiona Susan MacBeath, Lynda Anne Jones, John Christopher Turner
  • Patent number: 5756827
    Abstract: A process for manufacturing selected nonionic or anionic esters of allylic alcohols, preferably diesters of allylic perfume alcohols, useful for laundry and cleaning products.
    Type: Grant
    Filed: July 7, 1995
    Date of Patent: May 26, 1998
    Assignee: The Procter & Gamble Company
    Inventor: Mark Robert Sivik
  • Patent number: 5753138
    Abstract: Bleaching detergent compositions comprising particular bleach activators are provided. Excellent bleaching is secured through the selection of bleach activators which operate successfully under mildly alkaline washing conditions or in the presence of reduced levels of hydrogen peroxide.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: May 19, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Randall Alan Watson, Kevin Lee Kott, Alan David Willey, Gregory Scot Miracle, James Charles Theophile Roger Burckett-St. Laurent
  • Patent number: 5750748
    Abstract: A process for the preparation of a surfactant composition comprising N-methyl polyhydroxy fatty acid amide and N-alkyl (C3-C8) polyhydroxy fatty acid amide comprises mixing N-methyl polyhydroxy fatty acid amine and N-alkyl (C3-C8) polyhydroxy fatty acid amine to form a mixture. The mixture is reacted with a fatty acid ester reactant in the presence of a base catalyst and, optionally, in the presence of a reaction solvent. Unreacted N-alkoxyamino polyol is acylated with an acid anhydride at a temperature in the range of from 50.degree. C. to 85.degree. C. The weight ratio of N-methyl polyhydroxy fatty acid amide to N-alkyl (C3-C8) polyhydroxy fatty acid amide in the surfactant composition is from 25:1 to 1:1.
    Type: Grant
    Filed: April 19, 1996
    Date of Patent: May 12, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Jean-Pol Boutique, Patrick Firmin A. Delplancke
  • Patent number: 5747438
    Abstract: There is provided a particulate solid machine dishwashing detergent composition containing alkali metal percarbonate bleach coated with a mixed salt comprising an alkali metal carbonate and an alkali metal sulphate salt; a peroxyacid bleach precursor; an acidification agent; and a means for enabling delayed release of said acidification agent such that the pH of said composition as a 1% solution in water at 20.degree. C. is from 9.5 to 13.0 prior to release of said acidification agent, and such that the pH of said composition as a 1% solution in water at 20.degree. C. is from 9.3 to 7.0 subsequent to complete release of said acidification agent.
    Type: Grant
    Filed: April 19, 1996
    Date of Patent: May 5, 1998
    Assignee: The Procter & Gamble Company
    Inventor: Fiona Susan MacBeath
  • Patent number: 5728671
    Abstract: Oligomeric or polymeric substituted or unsubstituted ethylene terephthalate esters comprising fluorescent whitening groups useful as soil release agents in laundry detergent compositions are described. The soil release agents of the present invention are especially suitable for use with polyester and polyester-blended fabric.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: March 17, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Robert Henry Rohrbaugh, Eugene Paul Gosselink