Patents by Inventor Toan Trinh

Toan Trinh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • System for delivering hydrophobic liquid bleach activators
    Patent number: 5905067
    Abstract: The present invention relates to a system for delivering liquid bleach activators to solid or granular peroxygen bleach containing compositions. The preferred delivery system is liquid activators complexed with a cyclodextrin, preferably beta-cyclodextrin. The present invention also relates to a method for preparing the liquid bleach activator/cyclodextrin complexes described herein.
    Type: Grant
    Filed: January 27, 1998
    Date of Patent: May 18, 1999
    Assignee: Procter & Gamble Company
    Inventors: Benjamin Edgar Chapman, Toan Trinh
  • Methods and compositions for reducing body odor
    Patent number: 5897856
    Abstract: The present invention relates to an odor-absorbing pre-formed wipe composition which is safe for use on human skin comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; from about 0.01% to about 1%, by weight of the composition, of low molecular weight polyols; and an aqueous carrier, wherein the composition is deposited on a wipe which comprises a flexible dispensing means.The present invention also relates to methods of using the compositions of the present invention to reduce body odor and/or vaginal odor.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: April 27, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Robert Gregory Bartolo, Michael Thomas Dodd, Juliet Marie Lucas, Robin Yager Buckner, Theresa Marie Kajs
  • Methods and compositions for reducing body odor
    Patent number: 5897855
    Abstract: The present invention relates to an aqueous, odor absorbing composition, which is safe for use on human skin comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; from about 0.5% to about 30%, by weight of the composition, of a linear dimethicone having a nominal viscosity of about 350 centistokes or less; and an aqueous carrier. The odor absorbing compositions of the present invention may also contain an effective amount of solubilized, water-soluble, antimicrobial preservative having a water-solubility of greater than about 0.3%.The present invention also relates to methods of using the compositions of the present invention to reduce body odor and/or vaginal odor. The composition can be applied directly as a spray, poured from a bottle and applied by hand, or applied via a wipe.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: April 27, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Robert Gregory Bartolo, Michael Thomas Dodd, Juliet Marie Lucas, Robin Yager Buckner, Theresa Marie Kajs
  • Methods for reducing body odor
    Patent number: 5897854
    Abstract: The present invention relates to methods of reducing body and/or vaginal odor comprising the application to skin of an odor absorbing composition comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; from about 0.004% to about 2%, by weight of the composition, of a perfume composition; and an aqueous carrier wherein the perfume composition is safe for use on skin. The odor absorbing compositions of the present invention may also contain an effective amount of solubilized, water-soluble, antimicrobials and/or linear dimethicone having a nominal viscosity of 350 centistokes or less.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: April 27, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Juliet Marie Lucas, Toan Trinh, Robin Yager Buckner, Theresa Marie Kajs
  • Process for preparing liquid personal cleansing compositions which provide enhanced perfume deposition
    Patent number: 5891833
    Abstract: A process for preparing liquid personal cleansing compositions which provides enhanced perfume deposition on the skin and which provides increased on-skin fragrance longevity. The liquid personal cleansing compositions contain from about 0.01% to about 5% of a cationic polymer; from about 1% to about 80% of an anionic surfactant; from about 0.01% to about 5% of a volatile perfume; and water. The ratio of the cationic polymer to the anionic surfactant ranges from about 1:100 to about 1:2. The process involves first forming a premix comprising the cationic polymer, the volatile perfume and water, and then adding the premix to a personal cleansing base composition which comprises anionic surfactant and water.
    Type: Grant
    Filed: June 20, 1996
    Date of Patent: April 6, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Karl Shiqing Wei, Louis Fay Wong, Mark Richard Sine, Timothy Woodrow Coffindaffer, Toan Trinh
  • Use of bilayer forming emulsifiers in nutritional compositions comprising divalent mineral salts to minimize off-tastes and interactions with other dietary components
    Patent number: 5888563
    Abstract: Nutritional iron compositions comprising bioavailable sources of iron selected from ferrous fumarate and ferrous succinate where the iron source is preferably spread on the surface of a lecithin coated edible carrier such as sucrose. These nutritional iron compositions are particularly useful in food and beverage products such as chocolate flavored edible mixes, especially chocolate flavored beverages, that are additionally fortified with other minerals and vitamins, especially multi-mineral and vitamin combinations involving, iodine, vitamin A, vitamin C, riboflavin, and folic acid to avoid developing an undesirable color, off-flavor, astringency, particularly when the edible and/or beverage mix is reconstituted with water or milk.
    Type: Grant
    Filed: September 24, 1997
    Date of Patent: March 30, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Haile Mehansho, Renee Irvine Mellican, Toan Trinh
  • Methods using uncomplexed cyclodextrin solutions for controlling environmental odors
    Patent number: 5882638
    Abstract: The present invention encompasses methods of controlling environmental malodors on human skin comprising the application to the skin of a composition comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; and an aqueous carrier. The compositions can also comprise one or more of the following optional components: a linear dimethicone having a nominal viscosity of about 350 ecentistokes or less; low molecular weight polyols; water-soluble antimicrobial preservatives; zinc salts; water-soluble polymers; soluble carbonate and/or bicarbonate salts; chelating agents; zeolites; activated carbon; and mixtures thereof. The compositions can be applied directly as a spray, poured from a bottle and applied by hand, or applied via a wipe.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: March 16, 1999
    Assignee: The Proctor & Gamble Company
    Inventors: Michael Thomas Dodd, Toan Trinh, Robert Gregory Bartolo, Juliet Marie Lucas, Robin Yager Buckner, Theresa Marie Kajs
  • Cleaning/sanitizing methods for non-food inanimate surfaces
    Patent number: 5879470
    Abstract: Basic cleaning compositions using toxicologically-acceptable ingredients for cleaning fruits and vegetables are provided. Liquid formulations comprising detergent surfactant, such as oleate, alcohol ethoxylates, etc., and neutralized phosphoric acid are sprayed onto apples, lettuce and the like to remove soil and unwanted deposits, especially wax. Articles for applying the compositions to produce by spraying are disclosed. Use of the compositions for disinfectancy/sanitization of produce and cleaning/disinfectancy/sanitization of non-food inantimate surfaces are disclosed.
    Type: Grant
    Filed: May 5, 1997
    Date of Patent: March 9, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Bruce Prentiss Murch, Brian Joseph Roselle, Kyle David Jones, Keith Homer Baker, Thomas Edward Ward, Toan Trinh
  • Methods and compositions for reducing body odor
    Patent number: 5879666
    Abstract: The present invention relates to an odor absorbing composition, which is safe for use on human skin comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; from about 0.1% to about 36%, by weight of the composition, of an oil phase selected from the group consisting of emollients, moisturizers, and skin protectants; an emulsifier; and an aqueous carrier. The odor absorbing compositions of the present invention may also contain an effective amount of hydrophobic antimicrobials.The present invention also relates to methods of using the compositions of the present invention to reduce body odor and/or vaginal odor. The composition can be applied directly as a spray, poured from a bottle and applied by hand, or applied via a wipe.
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: March 9, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Juliet Marie Lucas, Robert Gregory Bartolo, Michael Thomas Dodd, Toan Trinh, Robin Yager Buckner, Theresa Marie Kajs
  • Concentrated fabric softening composition with good freeze/thaw recovery and highly unsaturated fabric softener compound therefor
    Patent number: 5877145
    Abstract: Biodegradable fabric softener compounds that contain ester linkages a substantial level of polyunsaturation in the hydrophobic chains. The compounds can be used to form fabric softening compositions that are aqueous dispersions of the compounds or clear compositions. These compositions have a desirable low viscosity and recover, after freezing and thawing to have a stable low viscosity.
    Type: Grant
    Filed: January 26, 1998
    Date of Patent: March 2, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Errol Hoffman Wahl, Helen Bernardo Tordil, Toan Trinh, Eugene Robert Carr, Robert Otis Keys, Laura Marie Meyer, Hugo Jean Marie Demeyere, Dean Larry DuVal, Mitsuyo Okamoto
  • Methods for controlling environmental odors on the body
    Patent number: 5874067
    Abstract: The present invention encompasses a method of controlling malodors on human skin comprising the application to the human skin of a composition comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; from about 0.1% to about 36%, by weight of the composition, of an oil phase selected from the group consisting of emollients, moisturizers, and skin protectants; an emulsifier; and an aqueous carrier. The compositions may also optionally comprise one or more of the following: hydrophobic antimicrobials; water-soluble antimicrobial preservatives; low molecular weight polyols; zinc salts; water-soluble polymers; soluble carbonate and/or bicarbonate salts; chelating agents; zeolites; activated carbon; and mixtures thereof. The compositions can be applied directly as a spray, poured from a bottle and applied by hand, or applied via a wipe.
    Type: Grant
    Filed: October 15, 1997
    Date of Patent: February 23, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Juliet Marie Lucas, Michael Thomas Dodd, Robert Gregory Bartolo, Toan Trinh, Robin Yager Buckner, Theresa Marie Kajs
  • Compositions for reducing body odor
    Patent number: 5874070
    Abstract: The present invention relates to a perfumed aqueous, odor absorbing composition comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; from about 0.5% to about 30%, by weight of the composition, of a linear dimethicone having a nominal viscosity of 350 centistokes or less; from about 0.004% to about 2%, by weight of the composition, of a perfume composition; and an aqueous carrier; wherein the perfume composition is safe for use on skin. The odor absorbing compositions of the present invention may also contain an effective amount of solubilized, water-soluble, antimicrobial.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: February 23, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, Juliet Marie Lucas, Robert Gregory Bartolo, Michael Thomas Dodd, Robin Yager Buckner, Theresa Marie Kajs
  • Perfume-free two phase compositions for reducing body odor
    Patent number: 5871719
    Abstract: The present invention relates to a perfume-free odor absorbing composition, which is safe for use on skin comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; from about 0.1% to about 36%, by weight of the composition, of an oil phase selected from the group consisting of emollients, moisturizers, skin protectants, and mixtures thereof; one or more surfactants each having a hydrophilic/lipophilic balance of about 8-18, and wherein each surfactant, when combined with an aqueous cyclodextrin solution, provides no less than about 25% a level of odor capture as an aqueous cyclodextrin solution; and an aqueous carrier. The odor absorbing compositions of the present invention may also contain an effective amount of hydrophobic antimicrobials.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: February 16, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Juliet Marie Lucas, Toan Trinh, Robert Gregory Bartolo, Michael Thomas Dodd, Robin Yager Buckner, Theresa Marie Kajs
  • Perfumed two phase compositions for reducing body odor
    Patent number: 5871718
    Abstract: The present invention relates to an odor absorbing composition, which is safe for use on skin, comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; from about 0.1% to about 36%, by weight of the composition, of an oil phase selected from the group consisting of emollients, moisturizers, skin protectants, and mixtures thereof; one or more surfactants; from about 0.004% to about 2%, by weight of the composition, of a perfume composition; and an aqueous carrier. The odor absorbing compositions of the present invention may also, preferably, contain an effective amount of hydrophobic antimicrobials. The present invention also relates to the odor absorbing compositions deposited on a flexible dispensing means.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: February 16, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Juliet Marie Lucas, Toan Trinh, Robert Gregory Bartolo, Michael Thomas Dodd, Robin Yager Buckner, Theresa Marie Kajs
  • Concentrated, stable, premix for forming fabric softening composition
    Patent number: 5861370
    Abstract: Biodegradable fabric softener premix compositions are described containing (1) biodegradable softener actives that contain substantial unsaturation and (2) perfume. The premixes can be added at ambient temperatures to water containing acid, to provide a pH of from about 1.5 to about 5, to form finished compositions. The water can also contain calcium and/or magnesium salt to modify the viscosity.
    Type: Grant
    Filed: March 22, 1996
    Date of Patent: January 19, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Toan Trinh, George Joseph Harvey, Helen Bernardo Tordil, Hugo Jean Marie Demeyere, Marc Johan Declercq, Errol Hoffman Wahl
  • Perfumed compositions for reducing body odors and excess moisture
    Patent number: 5861144
    Abstract: The present invention relates to a perfumed powder, odor and moisture absorbing composition, which is safe for use on skin comprising from about 0.1% to about 25%, by weight of the composition, of uncomplexed cyclodextrin; from about 5% to about 60%, by weight of the composition, of a highly effective moisture absorber; a perfume composition selected from the group consisting of from about 0.05% to about 15%, by weight of the odor absorbing composition, of an encapsulated perfume, and from about 0.01% to about 5% by weight of the odor absorbing composition of a free perfume, and mixtures thereof; and a powder carrier. The compositions of the present invention may also contain an additional odor controlling agent selected from the group consisting of zeolites, activated charcoal, sodium bicarbonate, antimicrobial agents, and antiperspirants.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: January 19, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Liezl Gonzales Peterson, Toan Trinh, Patricia Alison LaFleur
  • Methods for controlling environmental odors on the body using compositions comprising uncomplexed cyclodextrins and perfume
    Patent number: 5861147
    Abstract: The present invention encompasses methods of controlling environmental malodors on skin comprising the application to the skin of a composition comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; from about 0.004% to about 2%, by weight of the composition, of a hydrophilic, volatile perfume composition comprising at least about 50% by weight of one or more hydrophilic, volatile perfume ingredients wherein each ingredient has a boiling point of about 260.degree. or lower, and a ClogP of less than about 3.5, and an aqueous carrier. The compositions can be applied directly as a spray, poured from a bottle and applied by hand, or applied via a wipe.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: January 19, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Michael Thomas Dodd, Toan Trinh, Robert Gregory Bartolo, Juliet Marie Lucas
  • Method of reducing body odor using perfumed, odor absorbing, two phase compositions
    Patent number: 5861145
    Abstract: The present invention relates to methods of reducing body and/or vaginal odor comprising the application to skin of an odor absorbing composition comprising from about 0.1% to about 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; from about 0.1% to about 36%, by weight of the composition, of an oil phase selected from the group consisting of emollients, moisturizers, skin protectants, and mixtures thereof; one or more surfactants; from about 0.004% to about 2%, by weight of the composition, of a perfume composition; and an aqueous carrier wherein the odor absorbing composition is safe for use on skin. The odor absorbing compositions of the present invention may also, preferably, contain an effective amount of hydrophobic antimicrobials.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: January 19, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Juliet Marie Lucas, Toan Trinh, Robin Yager Buckner, Theresa Marie Kajs
  • Method for reducing body odor
    Patent number: 5861146
    Abstract: The present invention relates to methods of reducing body and/or vaginal odor comprising the application of a perfumed powder composition comprising from about 0.1% to about 25%, by weight of the composition, of uncomplexed cyclodextrin; a perfume composition selected from the group consisting of from about 0.05% to about 15%, by weight of the odor absorbing composition, of an encapsulated perfume, and from about 0.01% to about 5% by weight of the odor absorbing composition of a free perfume, and mixtures thereof; and a powder carrier.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: January 19, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Liezl Gonzales Peterson, Toan Trinh
  • Methods for reducing body odors and excess moisture
    Patent number: 5861143
    Abstract: The present invention relates to methods of reducing body odor, vaginal odor, and excess moisture comprising the application to skin of a perfumed powder composition comprising from about 0.1% to about 25%, by weight of the composition, of uncomplexed cyclodextrin; from about 5% to about 60%, by weight of the composition, of a highly effective moisture absorber; a perfume composition selected from the group consisting of from about 0.05% to about 15%, by weight of the odor absorbing composition, of an encapsulated perfume, and from about 0.01% to about 5% by weight of the odor absorbing composition of a free perfume, and mixtures thereof; and a powder carrier.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: January 19, 1999
    Assignee: The Procter & Gamble Company
    Inventors: Liezl Gonzales Peterson, Toan Trinh, Patricia Alison LaFleur