Patents by Inventor Ravindra Ranatunga

Ravindra Ranatunga 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).

  • Method of making and applying volatile substance-controlling composition
    Patent number: 7549598
    Abstract: A method of controlling the spread of volatile substances is provided. The method comprises the steps of: a) impregnating a fragrance component comprising at least one PRM onto a plurality of surfaces of a sorbent to form a volatile substance-controlling composition; and b) disposing the volatile substance-controlling composition into an article wherein the fragrance component is released from the sorbent primarily in the presence of one or more volatile substances when the volatile substances are adsorbed by the sorbent.
    Type: Grant
    Filed: May 15, 2007
    Date of Patent: June 23, 2009
    Assignee: The Procter & Gamble Company
    Inventors: Bruce Ernest Tepper, Ravindra Ranatunga, Victor Nicholas Vega, Ramon Andres Urteaga
  • Volatile substance-controlling composition
    Publication number: 20070224078
    Abstract: A method of controlling the spread of volatile substances is provided. The method comprises the steps of: a) impregnating a fragrance component comprising at least one PRM onto a plurality of surfaces of a sorbent to form a volatile substance-controlling composition; and b) disposing the volatile substance-controlling composition into an article wherein the fragrance component is released from the sorbent primarily in the presence of one or more volatile substances when the volatile substances are adsorbed by the sorbent.
    Type: Application
    Filed: May 15, 2007
    Publication date: September 27, 2007
    Inventors: Bruce Tepper, Ravindra Ranatunga, Victor Vega, Ramon Urteaga
  • Volatile substance-controlling composition
    Patent number: 7234648
    Abstract: The present invention relates to a volatile substance-controlling composition comprising: a) a sorbent have a plurality of surfaces; and b) a fragrance component comprising at least one PRM, wherein said fragrance component is impregnated onto said surfaces of said sorbent and wherein in the presence of one or more volatile substances said fragrance component is released from said sorbent and said volatile substances are adsorbed by said sorbent.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: June 26, 2007
    Assignee: The Procter and Gamble Company
    Inventors: Bruce Ernest Tepper, Ravindra Ranatunga, Victor Nicholas Vega, Ramon Andres Urteaga
  • Volatile substance-controlling composition
    Publication number: 20050096220
    Abstract: The present invention relates to a volatile substance-controlling composition comprising: a) a sorbent have a plurality of surfaces; and b) a fragrance component comprising at least one PRM, wherein said fragrance component is impregnated onto said surfaces of said sorbent and wherein in the presence of one or more volatile substances said fragrance component is released from said sorbent and said volatile substances are adsorbed by said sorbent.
    Type: Application
    Filed: October 31, 2003
    Publication date: May 5, 2005
    Inventors: Bruce Tepper, Ravindra Ranatunga, Victor Vega, Ramon Urteaga