Patents Represented by Attorney Jerry J. Yetter
  • Patent number: 5622925
    Abstract: Heavy duty liquid detergent compositions containing an anionic surfactant component, fatty acid and a quaternary ammonium fabric-softening agent of the formula ##STR1## The anionic surfactant component comprises, by weight of the composition, from about 5% to 40% of alkyl polyethoxylate sulfates and no more than about 5% of alkyl benzene sulfonates. The compositions are substantially clear and isotropic, provide excellent cleaning of soils and provide softening through the wash and anti-static benefits. The compositions preferably also contain an ethoxylated nonionic surfactant, a detergent builder and enzymes.
    Type: Grant
    Filed: November 8, 1995
    Date of Patent: April 22, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Francesco de Buzzaccarini, Timothy J. Farwick, Yueqian Zhen
  • Patent number: 5622646
    Abstract: Bleaching compositions useful for laundering fabrics comprising a metal bleach catalyst and an effective amount of an antioxidant.
    Type: Grant
    Filed: February 13, 1996
    Date of Patent: April 22, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Stefano Scialla, Alastair J. Pretty
  • Patent number: 5620952
    Abstract: Stock solutions of polyhydroxy fatty acid amide surfactants at high concentrations are characterized by their unfortunate tendency to thicken, or gel, on storage. Mild heating and the inclusion of carboxylates such as oxydisuccinate, citrate or tartrate-succinate maintain the viscosity of such solutions below about 2,000 centipoise, even at temperatures around 30.degree. C.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: April 15, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Yi-Chang Fu, Peter R. Foley, Julie A. Dyet, Peter G. Mather, Robert Mermelstein, Brian J. Roselle
  • Patent number: 5616553
    Abstract: The present invention relates to aqueous fabric conditioning compositions containing a quaternary ammonium compound and/or amine precursor thereof of the formulae (I) or (II) herein, and a cellulase, said compositions having a neat pH at 20.degree. C., of from about 2.0 to about 4.5.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: April 1, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Frederick A. Hartman, Bruno A. J. Hubesch, Johan G. L. Pluyter, Manuel G. Venegas
  • Patent number: 5610131
    Abstract: A process for making a granular laundry detergent component or composition having a bulk density of at least 650 g/l, comprises dissolving a structuring agent in a nonionic surfactant, said structuring agent comprising a polymer, to form a pumpable premix and finely dispersing said premix with an effective amount of powder at a given operating temperature wherein the premix has a viscosity of at least 350 mPas when measured at said operating temperature and at a shear rate of 25s-.sup.1. Preferred structurants comprise polymers having more than one functional hydroxyl group, especially polyvinyl alcohols, polyhydroxyacrylic acid polymers, and polymers such as polyvinyl pyrrolidone and PVNO, as well as sugars, artificial sweeteners and their derivatives. The premix is then processed into a granular detergent by any suitable process. Fine dispersion mixing, agglomeration, or spraying the premix onto a granular base product are preferred.
    Type: Grant
    Filed: October 10, 1995
    Date of Patent: March 11, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Scott J. Donoghue, Kay E. Fitzgibbon, Paul A. R. G. France, Robin G. Hall, Carole P. D. Wilkinson, David W. York, John C. Schmitt
  • Patent number: 5604194
    Abstract: A liquid detergent composition comprising (a) from 0.01 to 5 wt. % of a polyvinylpyrrolidone; (b) from 0.01 to 1 wt. % of a specific cotton-substantive brightener having structural formula (1) wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 are independently selected from the following: a sulfonic acid radical, hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, halogen, CN, phenoxy or benzyloxy, under the condition that only one substituent can be sulfonic acid.
    Type: Grant
    Filed: April 26, 1995
    Date of Patent: February 18, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Serge G. P. R. Cauwberghs, Karel M. J. Depoot
  • Patent number: 5604197
    Abstract: The invention comprises a dye transfer inhibiting fabric softening composition comprisinga) 0.0001% to 10% by weight of poly(4-vinylpyridine-N-oxide) having a ratio of amine to amine N-oxide of from about 2:3 to about 1:1,000,000; andb) 0.5% to 30% by weight of a fabric softening clay.
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: February 18, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Alfred Busch, Andre C. Convents
  • Patent number: 5599782
    Abstract: Improved soil release agents for granular laundry detergents, typically used at levels as low as about 1% of a fully-formulated anionic surfactant-containing granular detergent, are reaction products of transesterifying and oligomerizing mixtures of monomers having the functions MO.sub.3 SC.sub.6 H.sub.4 C(O)--, M'O.sub.3 SC.sub.6 H.sub.3 {C(O)O--}.sub.2, --(O)CC.sub.6 H.sub.4 C(O)-- and --OCH.sub.2 CH.sub.2 O-- wherein M and M' are independently selected from lithium, potassium and sodium, more preferably sodium; said mixtures having mole ratio of MO.sub.3 SC.sub.6 H.sub.4 C(O)-- to --(O)CC.sub.6 H.sub.4 C(O)-- of from about 0.2:1 to about 1.4:1, mole ratio of MO.sub.3 SC.sub.6 H.sub.4 C(O)-- to M'O.sub.3 SC.sub.6 H.sub.3 {C(O)O--}.sub.2 of from about 0.67:1 to about 20:1 and mole ratio of MO.sub.3 SC.sub.6 H.sub.4 C(O)-- to --OCH.sub.2 CH.sub.2 O-- of from about 0.007:1 to about 0.51:1 and being substantially free from monomers of formula HOROH wherein R is propylene or higher alkyl.
    Type: Grant
    Filed: December 21, 1995
    Date of Patent: February 4, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Robert Y. L. Pan, Eugene P. Gosselink, Eugene J. Pancheri, Stephen W. Morrall
  • Patent number: 5599786
    Abstract: Fabric softening compositions comprising fabric softening active(s) and a cellulase formulated so as to provide limited lower levels of cellulase activity, below about 50 CEVU's per liter of rinse solution, during use conditions of addition to the rinse cycle of machine laundry washing processes. Also a process for machine treatment of fabric, especially cotton fabrics, said process comprising treating fabric during the rinse cycle of a machine washing process with one or more cationic and/or nonionic fabric softening agents and cellulase at a level below about 50 CEVU's per liter of rinse solution.
    Type: Grant
    Filed: August 12, 1993
    Date of Patent: February 4, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Michael P. Siklosi, Frederick A. Hartman, Bruno A. Jean Hubesch, Johan G. L. Pluyter, Manuel G. Venegas
  • Patent number: 5599555
    Abstract: This invention relates to polymeric liquid crystals prepared from a polysaccharide and a solvent, preferably water, which are used to deliver nutrients, perfumes, flavors, drugs and other ingredients in foods, cosmetics, household soaps, health care products e.g. bar or liquid soaps, toothpaste, shampoos, creams, and lotions and other preparations. The encapsulated active vehicle comprises:(a) from about 0.001% to about 60% of an active; and(b) from about 40% to about 99.999% of a stable polymeric liquid crystal consisting essentially of:(1) from about 10% to about 90% of a solvent; and(2) from about 10% to about 90% of a polysaccharide having a molecular weight of from about 500 to about 1,000,000.
    Type: Grant
    Filed: December 17, 1992
    Date of Patent: February 4, 1997
    Assignee: The Procter & Gamble Company
    Inventor: Magda El-Nokaly
  • Patent number: 5599781
    Abstract: Detergents, especially automatic dishwashing detergents, comprising a stain removal system especially adapted for removal of tea stains, coffee stains and the like. The compositions comprise monopersulfate bleach such as 2KHSO.sub.5 .cndot.KHSO.sub.4 .cndot.K.sub.2 SO.sub.4 in combination with perborate or percarbonate at specific ratios, in combination with certain cationic or quaternary-substituted bleach activators.
    Type: Grant
    Filed: July 27, 1995
    Date of Patent: February 4, 1997
    Inventors: Donna J. Haeggberg, Lucille F. Taylor, Mark R. Sivik, James C. T. R. Burckett-St. Laurent
  • Patent number: 5597789
    Abstract: Liquid or granular automatic dishwashing detergent compositions comprising silicate and low molecular weight polyacrylate copolymer exhibiting enhanced hard water filming performance.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: January 28, 1997
    Assignee: The Procter & Gamble Company
    Inventor: Eugene S. Sadlowski
  • Patent number: 5595681
    Abstract: Liquid laundry detergents containing an improved biodegradable clay soil removal/anti-deposition agent which is a mixture of a polyamino acid (or a salt thereof) and a polyalkylene glycol.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: January 21, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Rajan K. Panandiker, Yueqian Zhen
  • Patent number: 5593648
    Abstract: A dispensing device for tablet detergent compositions for use in automatic washing machines. The dispensing device has an opening for the insertion of the tablet into the body of the dispensing device, wherein adjacent to the opening there is a restraint for substantially restricting the removal of the tablet after it has been inserted into the dispensing device.
    Type: Grant
    Filed: June 29, 1995
    Date of Patent: January 14, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Julie A. Christie, Brian E. Talkes
  • Patent number: 5591705
    Abstract: The present invention provides rinse-active foam-control particles for inclusion in a detergent composition in powder form, consisting essentially of a soap of fatty acids of which at least 80% contain from 16 to 18 carbon atoms, the geometric mean particle size of the particles being inferior to 1 mm, preferably inferior to 0.4 mm.The present invention also encompasses a process for making said foam-control agents, as well as high sud and low sud executions of detergent compositions containing said foam-control particles.
    Type: Grant
    Filed: September 30, 1994
    Date of Patent: January 7, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Alan D. Brinson, David X. Cumming, David W. York
  • Patent number: 5591236
    Abstract: Aqueous cleaning compositions containing solvents such as butoxy propoxy propanol (BPP) are emulsified using low levels of polyacrylate emulsifiers. Thus, an emulsion comprising BPP, a polyacrylate, optional surfactants, optional 1,2-octanediol and water is applied to fabrics in a home dry cleaning operation.
    Type: Grant
    Filed: October 17, 1995
    Date of Patent: January 7, 1997
    Assignee: The Procter & Gamble Company
    Inventor: Timothy C. Roetker
  • Patent number: 5580849
    Abstract: Liquid or gel detergent compositions having improved physical stability comprise, by weight of the composition: (a) from about 3% to about 95% of anionic sulfate or sulfonate surfactant; (b) from about 3% to about 40% polyhydroxyfatty acid amide nonionic surfactant; (c) from about 0.1% to about 3% of calcium or strotium ions; (d) from 0.05% to 10% of malic or maleic acid at a molar ratio with calcium of from 0.01:1 to 10:1.
    Type: Grant
    Filed: February 28, 1995
    Date of Patent: December 3, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Julie A. Dyet, Peter R. Foley, Fiona A. Fraser, Bruce P. Murch, Kofi Ofosu-Asante, Thomas R. Rolfes, Joanna M. Clarke
  • Patent number: 5576277
    Abstract: Granular detergent compositions of density >55 g/liter are provided comprising a plurality of particulate components, wherein one or more surfactant-containing particulate components comprise a surfactant system consisting essentially of one or more primary anionic or nonionic surfactants in intimate admixture with a water-soluble C.sub.11 -C.sub.18 alkyl ethoxysulfate salt containing an average of from one to seven ethoxy groups per mole, together with a builder system. The weight ratio of the primary anionic or nonionic surfactants or mixtures thereof to the alkyl ethoxysulfate salt is in the range from 19:1 to 2:1 provided that the level of the alkyl ethoxysulfate salt is from 0.25% to 10% by weight of the component. Improved rate of dissolution characteristics are observed for the composition and for the individual particulate components containing said surfactant system.
    Type: Grant
    Filed: September 8, 1994
    Date of Patent: November 19, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Fiona S. MacBeath, Suzanne Powell
  • Patent number: 5576285
    Abstract: A process for continuously preparing low density detergent agglomerates having a density of below about 500 g/l is provided. The process comprises the steps of: (a) agglomerating a detergent surfactant paste or liquid acid precursor of anionic surfactant and dry starting detergent material in a high speed mixer to obtain detergent agglomerates, wherein the dry starting detergent material includes an inorganic double salt and sodium carbonate in a weight ratio of from about 1:10 to about 10:1; and (b) drying the detergent agglomerates so as to form the low density detergent composition having a density below about 600 g/l.
    Type: Grant
    Filed: October 4, 1995
    Date of Patent: November 19, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Paul A. France, Steven B. Rogers, Wayne E. Beimesch
  • Patent number: H1635
    Abstract: The present invention provides a detergent composition comprising:(a) at least 0.1% of an oleoyl sarcosinate of the formula: ##STR1## wherein M is hydrogen or a cationic moiety; and (b) from about 0.1% to about 20% of an amine oxide.
    Type: Grant
    Filed: June 1, 1994
    Date of Patent: March 4, 1997
    Assignee: The Procter & Gamble Company
    Inventor: James M. Vander Meer