Patents by Inventor Indu Mani

Indu Mani 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).

  • Colouring of keratinous fibers using a pretreatment comprising an iron salt and a colour developer comprising hydrolysable tannin
    Patent number: 8152859
    Abstract: A method of coloring keratinous fibers comprising contacting the keratinous fibers sequentially with a pre-treatment composition and a color developer wherein: i. the pre-treatment composition comprises: (a) 0.5-25% by weight of an iron salt at a pH below 2 including 0.5-5% by weight of a reducing agent (b) a buffer effective in the pH range 3-6 and (c) a penetration enhancer comprising one or more solvents having Hansen solubility parameter ?h between 1-10 (MPa)1/2 and ?p between 10-25 (MPa)1/2 wherein the component (b) is mixed with (a) or (c) not more than 360 minutes prior to contacting the keratinous fibers and ii. the color developer is selected from one or more of hydrolysable tannin or its breakdown products or derivatives or a mixture thereof obtained from a natural or synthetic source, where the sequence of contact is in any order.
    Type: Grant
    Filed: November 6, 2009
    Date of Patent: April 10, 2012
    Assignee: Conopco, Inc.
    Inventors: Lalitha Balakrishnan, Indu Mani, Vijay Mukund Naik, Janhavi Sanjay Raut, Georgios Tetradis-Mairis
  • COLOURING OF KERATINOUS FIBERS USING A PRETREATMENT COMPRISING AN IRON SALT AND A COLOUR DEVELOPER COMPRISING HYDROLYSABLE TANNIN
    Publication number: 20110253163
    Abstract: A method of colouring keratinous fibers comprising contacting the keratinous fibers sequentially with a pre-treatment composition and a colour developer wherein: i. the pre-treatment composition comprises: (a) 0.5-25% by weight of an iron salt at a pH below 2 including 0.5-5% by weight of a reducing agent (b) a buffer effective in the pH range 3-6 and (c) a penetration enhancer comprising one or more solvents having Hansen solubility parameter ?h between 1-10 (MPa)1/2 and ?p between 10-25 (MPa)1/2 wherein the component (b) is mixed with (a) or (c) not more than 360 minutes prior to contacting the keratinous fibers and ii. the colour developer is selected from one or more of hydrolysable tannin or its breakdown products or derivatives or a mixture thereof obtained from a natural or synthetic source, where the sequence of contact is in any order.
    Type: Application
    Filed: November 6, 2009
    Publication date: October 20, 2011
    Inventors: Lalitha Balakrishnan, Indu Mani, Vijay Mukund Naik, Janhavi Sanjay Raut, Georgios Tetradis-Mairis
  • Skin lightening composition comprising an extract of plants from the families of symplocos or rubia
    Publication number: 20060228309
    Abstract: A cosmetic skin lightening composition, comprising 0.1-50 % by weight of an extract of plants from the families of Symplocos, Rubia or a mixture thereof.
    Type: Application
    Filed: May 28, 2004
    Publication date: October 12, 2006
    Inventors: Indu Mani, Nirmala Nair, Anisha Pargal, Subama Saha, Nagalakshmi Surendra, Shilpa Vora
  • Hair coloring compositions
    Patent number: 6706077
    Abstract: A coloring system for hair and/or skin comprises at least three separately packaged components: a) a thio compound capable of breaking the S—S bond between cysteine residues, and an alkaline reagent; b) a material and/or extract obtainable from the mucuna plant; and c) an oxidizing agent.
    Type: Grant
    Filed: March 5, 2002
    Date of Patent: March 16, 2004
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Krithivasan Bhagyalakshmi, Indu Mani, Govindarajan Raman
  • Hair colouring compositions
    Publication number: 20020166182
    Abstract: A coloring system for hair and/or skin comprises at least three separately packaged components:
    Type: Application
    Filed: March 5, 2002
    Publication date: November 14, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Krithivasan Bhagyalakshmi, Indu Mani, Govindarajan Raman
  • Pigment composition
    Publication number: 20020124859
    Abstract: Compositions for colouring hair and/or skin comprise:
    Type: Application
    Filed: October 19, 2001
    Publication date: September 12, 2002
    Applicant: Unilever Home & Personal Care USA, Division of Conopco, Inc.
    Inventors: Krithivasan Bhagyalakshmi, Indu Mani, Hemant Sambhajiro Pawar, Govindarajan Raman
  • Process for preparing protein-bound melanin and/or peptide bound melanin, and products thereof
    Patent number: 6315988
    Abstract: A process is provided for preparing protein- and/or peptide-bound melanin, which is soluble in an aqueous solution at pH 2 to 11 and temp 0° C. to 50° C., by the steps of reacting dihydroxyphenylalanine or tyrosine with an oxidant enzyme in the presence of an acidic protein and/or peptide having a pl of 3-6. The soluble protein- and/or peptide-bound melanin of this invention is useful as a sunscreen and as a coloring and/or flavoring for food.
    Type: Grant
    Filed: September 15, 2000
    Date of Patent: November 13, 2001
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Indu Mani, Govindarajan Raman, Vandana Sharma