Patents by Inventor Priya Madavalappil Kunhiraman

Priya Madavalappil Kunhiraman 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: 8425948
    Abstract: The present invention provides for a process for isolation of carotenoids crystals comprising drying a plant part to obtain a meal and extracting the meal with alcohol at a temperature in the range of about 50° C. to 75° C. to obtain oleoresin. The oleoresin is enriched with alcohol at a temperature in the range of about 25° C. ° C. to 50° C. and hydrolyzed with alcoholic alkali at a temperature in the range of about 70° C. to 80° C. to obtain reaction mixture. The carotenoids crystals are precipitated from the reaction mixture by adding hot water followed by filtering, washing and drying the carotenoids crystals.
    Type: Grant
    Filed: April 26, 2010
    Date of Patent: April 23, 2013
    Assignee: Katra Phytochem India Private Limited
    Inventors: Swaminathan Sethuraman, Priya Madavalappil Kunhiraman
  • Publication number: 20120108673
    Abstract: The present invention provides for a process for isolation of carotenoids crystals comprising drying a plant part to obtain a meal and extracting the meal with alcohol at a temperature in the range of about 50° C. to 75° C. to obtain oleoresin. The oleoresin is enriched with alcohol at a temperature in the range of about 25° C. ° C. to 50° C. and hydrolyzed with alcoholic alkali at a temperature in the range of about 70° C. to 80° C. to obtain reaction mixture. The carotenoids crystals are precipitated from the reaction mixture by adding hot water followed by filtering, washing and drying the carotenoids crystals.
    Type: Application
    Filed: April 26, 2010
    Publication date: May 3, 2012
    Applicant: KATRA PHYTOCHEM INDIA PRIVATE LIMITED
    Inventors: Swaminathan Sethuraman, Priya Madavalappil Kunhiraman