Patents Represented by Attorney, Agent or Law Firm T. David Reed
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Patent number: 5704928Abstract: An absorbent article having a liquid permeable topsheet, a liquid impermeable backsheet and a liquid absorbent pad for absorbing a liquid exuded from the human body positioned there between, and having an elasticized side flap and an extended wing along each side edge of the absorbent article. The side flap has a loop member formed from either the topsheet or the backsheet, or an optional secondary non-woven sheet, which extends from and loops back toward said side edge of said absorbent pad, and an inserted member formed from a layer which extends from said side edge of said absorbent pad. An elastic material is affixed along a portion of the length of the inserted member, and a seal affixes the inserted member inside the loop member at its base end. The wing can be a separate material or can be formed from one of the layer materials used to form the elasticized flap. The absorbent sanitary article provides improved fit and leakage protection with better comfort.Type: GrantFiled: August 9, 1995Date of Patent: January 6, 1998Assignee: The Procter & Gamble CompanyInventors: Yasuko Morita, David M. Sageser, Daniel Frederick Nesbitt
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Patent number: 5702635Abstract: 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: GrantFiled: March 5, 1996Date of Patent: December 30, 1997Assignee: The Procter & Gamble CompanyInventors: Marina Trani, Carlo Ricci
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Patent number: 5703036Abstract: 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: GrantFiled: March 19, 1996Date of Patent: December 30, 1997Assignee: The Procter & Gamble CompanyInventor: Panos Iakovides
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Patent number: 5693601Abstract: 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: GrantFiled: January 16, 1996Date of Patent: December 2, 1997Assignee: The Procter & Gamble CompanyInventors: Panos Iakovides, Rita De Berardinis, Anna Lucia D'Orazio, Andrea Soddu
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Patent number: 5688831Abstract: A make-up composition in the form of a water-in-off emulsion comprising a silicone phase, humectanct, pigment and organic amphiphilic material capable of forming smectic lyotropic liquid crystals in product or on the skin. The make-up composition exhibits superior short and longer term moisturisation and skin feel, together with improved product stability and spreadability.Type: GrantFiled: December 6, 1995Date of Patent: November 18, 1997Assignee: The Procter & Gamble CompanyInventors: Magda El-Nokaly, Kataline Igo-Kemenes, David Andrew Jakubovic, Anne Langlois, Michael Lee Vatter
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Patent number: 5686404Abstract: 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: GrantFiled: February 14, 1995Date of Patent: November 11, 1997Assignee: The Procter & Gamble CompanyInventor: Etienne Maria B. A. Jeuniaux
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Patent number: 5686399Abstract: 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: GrantFiled: February 5, 1996Date of Patent: November 11, 1997Assignee: The Procter & Gamble CompanyInventors: Giulia Ottavia Bianchetti, Sergio Cardola, Stefano Scialla
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Patent number: 5677271Abstract: Limescale removing compositions are disclosed which comprises a C1-C6 linear or branched alkyl sulfonic acid or mixtures thereof. Said alkyl sulfonic acids are particularly efficient in removing limescale and they are furthermore stable to bleach/oxidants. Therefore, compositions can be formulated which further comprise acid-stable oxidant compounds. Also, mixtures of alkyl sulfonic acids and sulfamic acid are particularly effective in removing limescale. The compositions of the invention are used to remove limescale from a variety of surfaces.Type: GrantFiled: May 10, 1996Date of Patent: October 14, 1997Assignee: The Procter & Gamble CompanyInventors: Giulia Ottavia Bianchetti, Sergio Cardola, Stefano Scialla
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Patent number: 5674509Abstract: A skin care composition in the form of an oil-in-water dispersion which comprises a silicone gum having a molecular weight of from about 200,000 to about 4,000,000 and wherein the composition additionally incorporates a fatty acid ester emulsifier based on a mixture of sorbitan acid ester and sucrose fatty acid ester. The composition provides improved moisturization, skin feel and skin care benefits and reduced greasiness, together with excellent rub-in and absorption characteristics.Type: GrantFiled: August 9, 1995Date of Patent: October 7, 1997Assignee: The Procter & Gamble CompanyInventors: Robert Francis Date, Elise Courpron, Zahid Nawaz, Richard George A. Rolls
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Patent number: 5672578Abstract: 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: GrantFiled: August 2, 1996Date of Patent: September 30, 1997Assignee: The Procter & Gamble CompanyInventors: Michel Jean Carrie, Eddy Vos
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Patent number: 5670468Abstract: The present invention relates to a dishwashing, especially machine dishwashing, method wherein the articles to be washed are treated with an effective amount of a detergent composition comprising: A. a metallo catalyst selected from a) metallo porphin and water-soluble or water dispersable derivatives thereof; b) metallo porphyring and water-soluble or water-dispersable derivatives thereof; c) metallo phthalocyanine and water-soluble or water-dispersable derivatives thereof; and B. an enzymatic system capable of generating hydrogen peroxide.Type: GrantFiled: October 10, 1995Date of Patent: September 23, 1997Assignee: The Procter & Gamble CompanyInventor: Marnix Karel Christiane Moens
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Patent number: 5668073Abstract: 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: GrantFiled: June 19, 1996Date of Patent: September 16, 1997Assignee: The Procter & Gamble CompanyInventors: Andre Christian Convents, Alfred Busch, Andre Cesar Baeck
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Patent number: 5656580Abstract: Acidic cleaning compositions which are self-thickened by a thickening system comprising a mixture of a quaternary ammonium compound cationic surfactant and a nonionic surfactant. The compositions are for hard surface cleaning and are specifically suitable for the removal of limescale.Type: GrantFiled: June 2, 1995Date of Patent: August 12, 1997Assignee: The Procter & Gamble CompanyInventors: Michel Jean Carrie, Axel Koenig, Eddy Vos
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Patent number: 5648329Abstract: A liquid premix for use in a detergent composition which comprises at least 40% by weight of polyhydroxy fatty acid amide and an effective amount of borate-containing material to prevent crystalization and/or precipitation of the liquid premix when stored for at least 2 weeks at 20 .degree. C., and methods of making same.Type: GrantFiled: February 28, 1996Date of Patent: July 15, 1997Assignee: The Procter & Gamble CompanyInventors: Alan David Blake, Jean-Pol Boutique, Jozef Philomena Geudens, Patrick Firmin Delplancke
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Patent number: 5641493Abstract: A skin care composition in the form of an oil-in-water dispersion comprising from 4% to 16% of a primary oil and a liquid crystal fatty acid ester emulsifier based on a mixture of sorbitan fatty acid ester and sucrose fatty acid ester. The composition provides improved moisturization, skin feel and skin care benefits, reduced greasiness, as well as excellent rub-in absorption characteristics.Type: GrantFiled: August 9, 1995Date of Patent: June 24, 1997Assignee: The Procter & Gamble CompanyInventors: Robert Francis Date, Elise Courpron, Zahid Nawaz, Richard George A. Rolls
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Patent number: 5635464Abstract: An aqueous hard surface detergent composition which provides improved solution feel comprising 3-35% of a surfactant system selected from the group consisting of anionic, nonionic, amphoteric surfactants and mixtures thereof and 0.01-0.5% by weight calcium ion and optionally 0.1-1% magnesium ion.Type: GrantFiled: November 17, 1994Date of Patent: June 3, 1997Assignee: The Procter & Gamble CompanyInventors: Yuko (Okabe) Nakamura, Mayumi Daiki, Ryohei Ohtani
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Patent number: 5599336Abstract: The present invention relates to absorbent structures for disposable absorbent articles containing absorbent hydrogel particles. Particularly, the invention relates to absorbent structures having the absorbent hydrogel particles distributed such that essentially only particles of less than 105 micrometers are distributed in a dusting layer which, in a disposable absorbent article is adjacent the backsheet side of the absorbent article, and particles of 105 micrometers or larger are distributed in a primary layer.Type: GrantFiled: December 22, 1994Date of Patent: February 4, 1997Assignee: The Procter & Gamble CompanyInventor: Manfred Plischke
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Patent number: 5580849Abstract: 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: GrantFiled: February 28, 1995Date of Patent: December 3, 1996Assignee: The Procter & Gamble CompanyInventors: Julie A. Dyet, Peter R. Foley, Fiona A. Fraser, Bruce P. Murch, Kofi Ofosu-Asante, Thomas R. Rolfes, Joanna M. Clarke
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Patent number: 5580486Abstract: Aqueous liquid detergent compositions are described which comprise a proteolytic enzyme wherein the proteolytic activity is reversibly inhibited by an .alpha.-amino boronic acid.Type: GrantFiled: February 14, 1995Date of Patent: December 3, 1996Assignee: The Procter & Gamble CompanyInventors: Regine Labeque, Pierre M. A. Lenoir, Rajan K. Panandiker, Christiaan A. J. K. Thoen
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Patent number: 5574003Abstract: A dye transfer inhibiting compositions are disclosed, comprising:A. an iron catalyst selected froma) iron porphin and water-soluble or water-dispersable derivatives thereof;b) iron porphyrin and water-soluble or water-dispersable derivatives thereof;c) iron phthalocyanine and water-soluble or water-dispersable derivatives thereof;B. an enzymatic system capable of generating hydrogen peroxide.Type: GrantFiled: June 6, 1995Date of Patent: November 12, 1996Assignee: The Procter & Gamble CompanyInventor: James P. Johnston