Patents by Inventor John A. Duffy

John A. Duffy 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).

  • Patent number: 7960437
    Abstract: There are disclosed skin treatment compositions containing cell signaling compounds, which induce and promote the biosynthesis and/or bioactivity of endogenous chemicals that mediate cell to cell communication in the skin between keratinocytes, fibroblasts and other cell types present in the skin. The cell signaling compound is selected from the group consisting of: andrographolide and its derivatives; adenosine cyclic phosphate and its derivatives; hydrolyzed milk proteins; sunflower seed extract; plankton extract; phytol and its derivatives; and mixtures thereof.
    Type: Grant
    Filed: January 21, 2005
    Date of Patent: June 14, 2011
    Assignee: Avon Products, Inc.
    Inventors: Glen T. Anderson, Dmitri S. Ptchelintsev, Gopinathan K. Menon, John A. Duffy
  • Publication number: 20040265258
    Abstract: The present invention provides a water-based composition comprising a non-emulsifying crosslinked silicone elastomer in an amount effective to decrease the amount of sebum on the hair or scalp. The water-based compositions of the present invention are in non-emulsion form. More preferably, the water-based compositions of the present invention have a suspending agent in an amount effective to suspend the crosslinked silicone elastomer within the water-based composition.
    Type: Application
    Filed: December 30, 2003
    Publication date: December 30, 2004
    Inventors: Freda E. Robinson, Kenneth Buckridge, John A. Duffy
  • Publication number: 20040091509
    Abstract: There are disclosed skin treatment compositions containing cell signaling compounds, which induce and promote the biosynthesis and/or bioactivity of endogenous chemicals that mediate cell to cell communication in the skin between keratinocytes, fibroblasts and other cell types present in the skin. The cell signaling compound is selected from the group consisting of: andrographolide and its derivatives; adenosine cyclic phosphate and its derivatives; hydrolyzed milk proteins; sunflower seed extract; plankton extract; phytol and its derivatives; and mixtures thereof.
    Type: Application
    Filed: October 17, 2003
    Publication date: May 13, 2004
    Applicant: Avon Products, Inc.
    Inventors: Glen T. Anderson, Dmitri S. Ptchelintsev, Gopinathan K. Menon, John A. Duffy
  • Publication number: 20030165452
    Abstract: There are provided controlled release compositions and methods of making thereof. The compositions have an effective amount of at least one hydrophobic active ingredient and a silicone fluid entrapped in a hybrid silicone powder matrix. The present compositions preferably are dry powders.
    Type: Application
    Filed: December 27, 2001
    Publication date: September 4, 2003
    Applicant: AVON PRODUCTS, INC.
    Inventors: Anthony D. Gonzalez, Glen T. Anderson, John A. Duffy
  • Publication number: 20030035819
    Abstract: There are disclosed skin treatment compositions containing cell signaling compounds, which induce and promote the biosynthesis and/or bioactivity of endogenous chemicals that mediate cell to cell communication in the skin between keratinocytes, fibroblasts and other cell types present in the skin. The cell signaling compound is selected from the group consisting of: andrographolide and its derivatives; adenosine cyclic phosphate and its derivatives; hydrolyzed milk proteins; sunflower seed extract; plankton extract; phytol and its derivatives; and mixtures thereof.
    Type: Application
    Filed: July 19, 2002
    Publication date: February 20, 2003
    Applicant: Avon Products, Inc.
    Inventors: Glen T. Anderson, Dmitri S. Ptchelintsev, Gopinathan K. Menon, John A. Duffy
  • Publication number: 20020006383
    Abstract: There are disclosed skin treatment compositions containing cell signaling compounds, which induce and promote the biosynthesis and/or bioactivity of endogenous chemicals that mediate cell to cell communication in the skin between keratinocytes, fibroblasts and other cell types present in the skin. The cell signaling compound is selected from the group consisting of: andrographolide and its derivatives; adenosine cyclic phosphate and its derivatives; hydrolyzed milk proteins; sunflower seed extract; plankton extract; phytol and its derivatives; and mixtures thereof.
    Type: Application
    Filed: March 20, 2001
    Publication date: January 17, 2002
    Applicant: Avon Products, Inc.
    Inventors: Glen T. Anderson, Dmitri S. Ptchelintsev, Gopinathan K. Menon, John A. Duffy
  • Patent number: 6299889
    Abstract: Stable cosmetic compositions containing high levels of ascorbic acid, relatively low levels of water, varying levels of polyhydric alcohol, and organic carbonate are disclosed. The compositions may also include monohydric alcohol or hydroxyalkyl cellulose or both. The compositions are homogeneous solutions, and can be adapted to be topically applied to the skin to impart appearance benefits thereto.
    Type: Grant
    Filed: September 10, 1998
    Date of Patent: October 9, 2001
    Assignee: Avon Products, Inc.
    Inventors: Lorraine M. Cowton, John A. Duffy, Michele C. Duggan
  • Patent number: 6180670
    Abstract: Skin aging and related conditions can be effectively treated with a conjugate of a retinoid and a bioactive organic acid preferably selected from among alpha-hydroxy acids, beta-hydroxy acids, and keto-acids; preferred conjugates include retinyl glycolyl ether and retinyl glycolate (as either the ester or reverse ester).
    Type: Grant
    Filed: January 25, 1999
    Date of Patent: January 30, 2001
    Assignee: Avon Products, Inc.
    Inventors: John A. Duffy, Janice J. Teal, Mark S. Garrison, George P. Serban
  • Patent number: 6162450
    Abstract: The present invention relates to the use of 3'-(L-ascorbyl-2-o-phosphoryl)-cholesterol, 3'-(L-ascorbyl-3-o-phosphoryl)-cholesterol, and their derivatives ("APC compounds"). More specifically, the present invention relates to use of APC compounds to improve the appearance and health of skin, hair, lips and nails. The present invention also relates to methods of topically administering APC compounds to cleanse skin and remove make-up, moisturize skin, enhance the shine and wear of nail coating compositions, and to improve compositions having pigments and/or iron oxides.
    Type: Grant
    Filed: November 9, 1998
    Date of Patent: December 19, 2000
    Assignee: Avon Products, Inc.
    Inventors: Dmitri Ptchelintsev, John A. Duffy, Robert Kalafsky, Harold E. Pahlck
  • Patent number: 6020367
    Abstract: A method of preparing a supersaturated and stable solution of ascorbic acid, supersaturated ascorbic acid solutions and compositions containing such supersaturated solutions. A polyol vehicle is heated to an elevated temperature, and the ascorbic acid is dissolved therein to form an ascorbic acid/polyol solution. The method provides a solution containing a significant concentration of ascorbic acid that is stable over time, temperature changes and other environmental factors.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: February 1, 2000
    Assignee: Avon Products, Inc.
    Inventors: John A. Duffy, Dmitri Ptchelintsev
  • Patent number: 5863942
    Abstract: Skin aging and related conditions can be effectively treated with a conjugate of a retinoid and a bioactive organic acid preferably selected from among alpha-hydroxy acids, beta-hydroxy acids, and keto-acids; preferred conjugates include retinyl glycolyl ether and retinyl glycolate (as either the ester or reverse ester).
    Type: Grant
    Filed: October 1, 1996
    Date of Patent: January 26, 1999
    Assignee: Avon Products, Inc.
    Inventors: John A. Duffy, Janice J. Teal, Mark S. Garrison, George P. Serban
  • Patent number: 5703122
    Abstract: The use of an effective amount of ascorbic acid (Vitamin C) or one or more of its derivatives, has been found to decrease skin irritation caused by the topical administration of an active ingredient for treating a skin condition. Examples of the active ingredient include .alpha.-hydroxy acids, .beta.-hydroxy acids, keto acids, benzoyl peroxide, retinol (Vitamin A), retinoic acid, retinal A.sub.2, Vitamin A epoxide, lactamides and quaternary ammonium lactates, C.sub.4-12 hydroxylated carboxylic acids, sulfur, resorcinol and salicylic acid, and various derivatives thereof. The ascorbic acid (or its derivatives) is present in effective amounts from about 0.5% to about 25% by weight. It is provided by topical application of a separate solution or by admixture with a cosmetically or pharmaceutically acceptable vehicle for the active ingredient.
    Type: Grant
    Filed: February 6, 1996
    Date of Patent: December 30, 1997
    Assignee: Avon Products, Inc.
    Inventor: John A. Duffy
  • Patent number: 5676956
    Abstract: Disclosed is a composition for topical treatment of skin comprising the use of live yeast cell derivative in combination with a suitable vehicle, for treating discolorations and bagginess in facial skin below the eyes.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: October 14, 1997
    Assignee: Avon Products, Inc.
    Inventors: John A. Duffy, Mark S. Garrison, Gopinathan K. Menon, Neil D. Scancarella
  • Patent number: 5643587
    Abstract: Disclosed is a composition for topical treatment of skin comprising the use of live yeast cell derivative in combination with a suitable vehicle, for treating discolorations and bagginess in facial skin below the eyes.
    Type: Grant
    Filed: February 15, 1996
    Date of Patent: July 1, 1997
    Assignee: Avon Products, Inc.
    Inventors: Neil D. Scancarella, John A. Duffy, Mark S. Garrison, Gopinathan K. Menon
  • Patent number: 5605933
    Abstract: Skin aging and related conditions can be effectively treated with a conjugate of a retinoid and a bioactive organic acid preferably selected from among alpha-hydroxy acids, beta-hydroxy acids, and keto-acids; preferred conjugates include retinyl glycolyl ether and retinyl glycolate (as either the ester or reverse ester).
    Type: Grant
    Filed: July 20, 1995
    Date of Patent: February 25, 1997
    Assignee: Avon Products, Inc.
    Inventors: John A. Duffy, Janice J. Teal, Mark S. Garrison, George P. Serban
  • Patent number: 5569651
    Abstract: A topical anti-acne treatment which comprises salicylic acid and lactic acid, adjusted to a selected pH and placed in a suitable vehicle, such disclosed formulations can be used by individuals with adult acne, rosacea and sensitive skin complicated with acne.
    Type: Grant
    Filed: March 3, 1995
    Date of Patent: October 29, 1996
    Assignee: Avon Products, Inc.
    Inventors: Mark S. Garrison, John A. Duffy, Janice J. Teal
  • Patent number: 5516793
    Abstract: The use of an effective amount of ascorbic acid (Vitamin C) or one or more of its derivatives, has been found to decrease skin irritation caused by the topical administration of an active ingredient for treating a skin condition. Examples of the active ingredient include .alpha.-hydroxy acids, .beta.-hydroxy acids, keto acids, benzoyl peroxide, retinol (Vitamin A) , retinoic acid, retinal, Vitamin A.sub.2, Vitamin A epoxide, lactamides and quaternary ammonium lactates, C.sub.4-12 hydroxylated carboxylic acids, sulfur, resorcinol and salicylic acid, and various derivatives thereof. The ascorbic acid (or its derivatives) is present in effective amounts from about 0.5% to about 25% by weight. It is provided by topical application of a separate solution or by admixture with a cosmetically or pharmaceutically acceptable vehicle for the active ingredient.
    Type: Grant
    Filed: June 29, 1994
    Date of Patent: May 14, 1996
    Assignee: Avon Products, Inc.
    Inventor: John A. Duffy
  • Patent number: 5472699
    Abstract: A method for reducing the visible size of facial skin pores by applying a novel composition which comprises an oil absorbing powder, a botanical astringent and a biological compound that alters the structure of the skin and/or the function of the sebaceous glands.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: December 5, 1995
    Assignee: Avon Products, Inc.
    Inventors: John A. Duffy, Alexander P. Znaiden
  • Patent number: 5415861
    Abstract: A method for reducing the visible size of facial skin pores by applying a novel composition which comprises an oil absorbing powder, a botanical astringent and a biological compound that alters the structure of the skin and/or the function of the sebaceous glands.
    Type: Grant
    Filed: May 6, 1994
    Date of Patent: May 16, 1995
    Assignee: Avon Products, Inc.
    Inventors: John A. Duffy, Alexander P. Znaiden
  • Patent number: 4939649
    Abstract: A set of dipmeter data comprising monunimodal-symmetric datasets is processed prior to correlation and dip computation and display by transforming the nonunimodal-symmetric datasets into unimodal-symmetric datasets while maintaining the subsets which are already unimodal-symmetric.
    Type: Grant
    Filed: July 29, 1988
    Date of Patent: July 3, 1990
    Assignee: Amoco Corporation
    Inventor: John A. Duffy