Patents Represented by Attorney Robert B. Aylor

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  • Stable pumpable liquid composition of acyloxy alkane and process for the storage thereof
    Patent number: 5723432
    Abstract: Liquid compositions comprising acyloxy alkane sulfonic acid salt, paraffin, water, optional salt reactant, and optional fatty acid are provided which have improved stability and pumpability. Also a method of preparing and a method of storing these composition are provided utilizing temperature and particle size limitations. The composition, method of making, and method of storing the composition provide improved storage stability, pumpability, and a decrease in processing time for the incorporation of the composition into finished bar formulations.
    Type: Grant
    Filed: July 10, 1996
    Date of Patent: March 3, 1998
    Assignee: The Proctor & Gamble Company
    Inventors: Peter William Beerse, James Charles Dunbar, Neil William Jordan, Gary Lee Reed
  • Rinse added fabric softener compositions containing antioxidants for sun-fade protection fabrics
    Patent number: 5723435
    Abstract: The present invention relates to fabric care compositions to reduce the fading of fabrics from sunlight, comprising:(A) from about 1% to about 25% by weight of the composition of a non-fabric staining, light stable antioxidant compound, preferably containing at least one C.sub.8 -C.sub.22 hydrocarbon fatty organic moiety;(B) from 3% to about 50% by weight of the composition of a fabric softening compound;(C) from about 25% to about 95% by weight of the composition of a carrier material; and(D) optionally, from about 0% to about 20% by weight of the composition of a non-fabric staining, light stable sunscreen compound, preferably containing at least one C.sub.8 -C.sub.22 hydrocarbon fatty organic moiety;wherein the antioxidant compound is a solid material having a melting point of less than about 80.degree. C. or is a liquid at a temperature of less than about 40.degree. C.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: March 3, 1998
    Assignee: The Procter & Gamble Company
    Inventors: John Cort Severns, Mark Robert Sivik, Ellen Schmidt Baker, Frederick Anthony Hartman
  • Laundry bleaching composition
    Patent number: 5720896
    Abstract: Dry bleaching compositions are disclosed which comprise an alkali metal salt of percarbonate and a dry-form composition comprising a carboxylic polymer. The compositions provide effective bleaching and are as stable upon manufacture and storage.
    Type: Grant
    Filed: April 27, 1995
    Date of Patent: February 24, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Jamie Paterson, Marina Trani
  • Articles containing small particle size cyclodextrin for odor control
    Patent number: 5714445
    Abstract: The present invention relates to compositions and articles such as catamenials, diapers, pantiliners, paper towels, tissues, underarm shields, etc., which minimize odor caused from body fluids through the incorporation of an effective amount of cyclodextrin, having a particle size of less than 12 microns. Combinations of small particle size cyclodextrins with other odor-controlling materials are also disclosed.
    Type: Grant
    Filed: September 12, 1996
    Date of Patent: February 3, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Dean Van Phan
  • Uncomplexed cyclodextrin solutions for odor control on inanimate surfaces
    Patent number: 5714137
    Abstract: The present invention relates to a stable, aqueous odor-absorbing composition, for use on inanimate surfaces. The composition comprises from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin, an effective amount of a solubilized, water-soluble, antimicrobial preservative having a water-solubility of greater than about 0.3%, optional perfume, and an aqueous carrier.The composition is essentially free of any material that would soil or stain fabric and has a pH of greater than about 3. The composition can be incorporated into a spray dispenser to create an article of commerce that can facilitate treatment of articles and/or surfaces with uncomplexed cyclodextrin solutions of a level that is effective yet is not discernible when dried on the surface.
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: February 3, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Jerome Paul Cappel, Philip Anthony Geis, Mark Lee McCarty, David Pilosof, Susan Schmaedecke Zwerdling
  • Process for the bleaching of fabrics
    Patent number: 5713962
    Abstract: A process of bleaching fabrics is disclosed where a liquid or pasty composition comprising acetyl triethyl citrate and a source of hydrogen peroxide is applied to fabrics before they are immersed in an aqueous wash liquor.
    Type: Grant
    Filed: February 20, 1996
    Date of Patent: February 3, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Stefano Scialla, Raffaele Scoccianti, Andrea Soddu, Alan David Willey
  • Laundry composition containing dye fixatives and cellulase
    Patent number: 5707951
    Abstract: Laundry compositions, specifically fabric-conditioning compositions, to be used in the rinse cycle of laundry washing processes, are disclosed in order to improve color depth maintenance of colored fabrics upon single or multiple washing cycles. To achieve this, specific levels of cellulase and dye-fixing agents of the cationic type as well are used in the laundry compositions.
    Type: Grant
    Filed: March 27, 1997
    Date of Patent: January 13, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Axel Masschelein, Bruno Albert Jean Hubesch, Ellen Schmidt Baker
  • Stable and clear concentrated cleaning compositions comprising at least one short chain surfactant
    Patent number: 5707948
    Abstract: Stable and clear concentrated cleaning compositions comprising at least one short chain surfactant, optionally in combination with long chain nonionic surfactant and potassium carbonate. The short chain surfactants allow for the formulation of stable compositions without the need for additional stabilizers and are especially effective in cleaning greasy soil; the potassium carbonate provides reduced filming and streaking, especially when an anionic sulfonate short chain surfactant is present.
    Type: Grant
    Filed: February 2, 1996
    Date of Patent: January 13, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Marc Francois Theophile Evers, Vincent Reniers, Peter Rosalia Joannes Geboes, Massimo Morini, Louise Gail Scott, Daniel Wayne Michael, Nicola John Policicchio
  • Cleaning methods and compositions for produce
    Patent number: 5705461
    Abstract: Acidic and basic cleaning compositions using toxicologically-acceptable ingredients for cleaning fruits and vegetables are provided. Clear liquid formulations comprising oleate, alcohol ethoxylates and buffers are sprayed onto apples, lettuce and the like to remove soil and unwanted deposits.
    Type: Grant
    Filed: November 2, 1995
    Date of Patent: January 6, 1998
    Assignee: The Procter & Gamble Company
    Inventors: Bruce Prentiss Murch, Brian Joseph Roselle, Kyle David Jones
  • Rinse added fabric softener compositions containing sunscreens for sun-fade protection for fabrics
    Patent number: 5705474
    Abstract: The present invention relates to fabric care compositions to reduce the fading of fabrics from sunlight, comprising;(A) from about 1% to about 25% by weight of the composition, of a non-fabric staining, light stable sunscreen compound preferably containing at least one C.sub.8 -C.sub.22 hydrocarbon fatty organic moiety;(B) from 3% to about 50% by weight of a fabric softening compound; and(C) from about 25% to about 95% by weight of a carrier material; wherein the sunscreen compound absorbs light at a wavelength of from about 290 nm to about 450 nm; wherein the sunscreen compound is a solid material having a melting point of from about 25.degree. C. to about 90.degree. C. or a viscous liquid at a temperature of less than about 40.degree. C.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: January 6, 1998
    Assignee: The Procter & Gamble Company
    Inventors: John Cort Severns, Mark Robert Sivik, Ellen Schmidt Baker, Frederick Anthony Hartman
  • Thickened aqueous detergent compositions with improved cleaning performance
    Patent number: 5703036
    Abstract: The compositions of the present invention have a viscosity of from 40 cps to 4000 cps; comprising a viscosity-decreasing short chain surfactant, said surfactant comprising a hydrophobic portion and a hydrophilic portion, wherein the chain length of the hydrophobic portion is C.sub.6 to C.sub.10.The composition also comprises a viscosity restoring long chain surfactant mixture. Said mixture comprises an amine oxide according to the formula R.sub.1 R.sub.2 R.sub.3 NO, wherein R.sub.1 is a linear C.sub.12 to C.sub.16 alkyl group and R.sub.2 and R.sub.3 are independently C.sub.1 to C.sub.3 alkyl groups and an alkali metal alkyl sulphate according to the formula R.sub.4 OSO.sub.3 M, wherein R.sub.4 is a C.sub.12 to C.sub.14 alkyl group and M is an alkali metal. The compositions also preferably comprise hypochlorite.
    Type: Grant
    Filed: March 19, 1996
    Date of Patent: December 30, 1997
    Assignee: The Procter & Gamble Company
    Inventor: Panos Iakovides
  • Granular laundry bleaching composition
    Patent number: 5702635
    Abstract: A particulate bleaching composition is disclosed which comprises particles of an alkali metal salt of percarbonate or mixtures thereof. The particles of the percarbonate bleach are coated and/or agglomerated with a stabilizing effective amount of a hydrophobic ester of citric acid or mixtures of the hydrophobic esters of citric acid.
    Type: Grant
    Filed: March 5, 1996
    Date of Patent: December 30, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Marina Trani, Carlo Ricci
  • Process for using acidic liquid detergent compositions to clean bathrooms
    Patent number: 5698041
    Abstract: Process for using detergent compositions comprising a surfactant system that is either (1) a mixture of nonionic and zwitterionic detergent surfactants; (2) a mixture of nonionic and amphoteric (non-zwitterionic) detergent surfactants, preferably; or (3) short chain nonionic detergent surfactant, the nonionic detergent surfactants preferably being short chain and/or having peaked distribution; optional hydrophobic cleaning solvent; and polycarboxylate, especially dicarboxylate, detergent builder provide superior cleaning of all of the soils commonly found in the bathroom. The compositions have a pH of from about 1 to about 5.5, preferably from about 2 to about 4 when the dicarboxylate builder is used. The compositions are in the form of aqueous liquids. Short chain peaked distribution nonionic detergent suffactants provide surprisingly superior sudsing characteristics.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: December 16, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Ricky Ah-Man Woo, Michel Jean Carrie, William Ajalon Cilley, Ronald Anthony Masters, Daniel Wayne Michael, Eddy Vos
  • Thickened aqueous detergent compositions with improved cleaning performance with short chain surfactants
    Patent number: 5693601
    Abstract: The present invention is an aqueous liquid detergent composition comprising a short chain surfactant for improved cleaning performance. Said composition further comprises a mixture of long chain amide oxides to restore viscosity. Said composition provides outstanding soil removal when used as a dish pretreatment composition as well as outstanding cleaning performance when used in hard-surface applications including toilet bowl cleaning.
    Type: Grant
    Filed: January 16, 1996
    Date of Patent: December 2, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Panos Iakovides, Rita De Berardinis, Anna Lucia D'Orazio, Andrea Soddu
  • Chelating agents for improved color fidelity
    Patent number: 5686376
    Abstract: Rinsing dyed or white fabrics in a chelator-containing rinse bath restores color and brightness. Rinse added compositions comprising chelators such as diethylenetriaminepentaacetate or ethylenediamine disuccinate are used to restore the appearance of colored and white fabrics whose drab appearance has been caused by interactions with metal ions, especially copper and nickel. Compositions comprising the chelators in combination with fabric care auxiliaries such as fabric softeners, cellulase enzymes and chlorine scavengers are provided.
    Type: Grant
    Filed: November 21, 1996
    Date of Patent: November 11, 1997
    Assignee: The Procter & Gamble Company
    Inventors: John Robert Rusche, Ellen Schmidt Baker, Axel Masschelein
  • Limescale removal compositions
    Patent number: 5686399
    Abstract: Compositions for the removal of limescale comprise aryl sulfonic acids, optionally, acid stable bleach compositions, and, optionally, sulfamic acid. The compositions are used in a process for removing limescale as aqueous compositions. The pH of the compositions is from about 0 to about 4. The compositions provide improved performance for equal reserve acidity.
    Type: Grant
    Filed: February 5, 1996
    Date of Patent: November 11, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Giulia Ottavia Bianchetti, Sergio Cardola, Stefano Scialla
  • Dryer-activated fabric conditioning compositions containing uncomplexed cyclodextrin
    Patent number: 5681806
    Abstract: An effective amount of uncomplexed cyclodextrin, in the form of particles having particle sizes below about 5 microns, is incorporated into solid dryer-activated fabric conditioning compositions which are used in dryers to treat fabrics. The cyclodextrin is thereby attached to the fabrics and subsequently provides effective control of odors when they come in contact with the treated fabric. The fabric conditioning compositions can be attached to substrates to prepare an article of manufacture or be in the form of detergent compatible particles, for use with conventional laundry detergents.
    Type: Grant
    Filed: January 24, 1996
    Date of Patent: October 28, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Helen Bernardo Tordil
  • Limescale removing compositions
    Patent number: 5672578
    Abstract: Limescale removing compositions contain a low level of surfactant, i.e., less than about 1% and maleic acid and have a pH of from about 0.1 to about 4.5. The surfactant can be anionic, nonionic, amphoteric, or cationic, but is preferably cationic. The composition can be used neat, or diluted, by applying it to the surface to be treated, leaving it to react, and then rinsing.
    Type: Grant
    Filed: August 2, 1996
    Date of Patent: September 30, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Michel Jean Carrie, Eddy Vos
  • Fabric softening compositions containing mixtures of substituted imidazoline fabric softener materials and highly ethoxylated curd dispersant
    Patent number: 5670476
    Abstract: Rinse-added fabric softening compositions are provided comprising mixtures of a substituted imidazoline fabric softener material and a highly ethoxylated hydrophobic material as a scum dispersant to prevent the formation of scum by interaction of the substituted imidazoline fabric softener material with anionic detergent surfactant and/or phosphate detergency builder entrapped in the fabric, and a liquid carrier. These, preferably biodegradable, compositions have good product stability, dispersibility, and concentratability, as well as excellent fabric softening characteristics.
    Type: Grant
    Filed: February 7, 1996
    Date of Patent: September 23, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Alice Marie Vogel, Jeffrey Wayne Watson, Errol Hoffman Wahl, Fernando Benvegnu, John Cort Severns
  • Composition for reducing malodor impression of inanimate surfaces
    Patent number: 5670475
    Abstract: The present invention relates to an aqueous composition for reducing malodor impression. The composition comprises from about 0.01% to about 1%, by weight of the composition, of perfume wherein the perfume preferably comprises ingredients having a Clog P of 3 or smaller. Optionally, but preferably, the composition comprises from about 0.1% to about 5%, by weight of the composition of, water-soluble cyclodextrin, from about 0.1% to about 10%, by weight of the composition, of water-soluble metallic salt, from about 0% to about 3%, by weight of the composition, of solubilizing aid. The composition is essentially free of any material that would soil or stain fabric and contains less than about 5%, by weight of the composition of low molecular weight monohydric alcohols.
    Type: Grant
    Filed: March 13, 1996
    Date of Patent: September 23, 1997
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Jerome Paul Cappel, Philip Anthony Geis, Judith Ann Hollingshead, Mark Lee McCarty, Susan Schmaedecke Zwerdling