Patents by Inventor Mrunalini S. Dhamdhere

Mrunalini S. Dhamdhere 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).

  • Nitrone compounds and their use in personal care
    Patent number: 9452118
    Abstract: Provided are compounds and compositions thereof that are useful as antioxidants in personal care formulations. The compounds are of the formula I: wherein R, R1, R2, R3, R4, R5 and R6 are as defined herein.
    Type: Grant
    Filed: November 6, 2012
    Date of Patent: September 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Mrunalini S. Dhamdhere, George D. Green, Shao-Ching Hung, Raymond J. Swedo
  • Nitrone compounds and their use in personal care
    Patent number: 9452119
    Abstract: Provided are compounds and compositions thereof that are useful as antioxidants in personal care formulations. The compounds are of the formula I: wherein R, R1, R2, R3, R4, R5 and R6 are as defined herein.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: September 27, 2016
    Assignee: Dow Global Technologies LLC
    Inventors: Mrunalini S. Dhamdhere, George D. Green, Shao-Ching Hung, Raymond J. Swedo
  • Alkyl hydroxylamine compounds and their use for shortstopping free radical polymerizations
    Patent number: 9309331
    Abstract: This invention provides a method for shortstopping free radical polymerization reactions using a shortstopping agent comprising at least two alkyl hydroxylamines (AHAs) selected from the group consisting of primary AHAs, a mixture of at least one of each of primary and secondary AHAs, and salts thereof. A method for producing elastomers using the aforesaid shortstopping agents is also provided.
    Type: Grant
    Filed: September 23, 2013
    Date of Patent: April 12, 2016
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: Charles E. Coburn, Mrunalini S. Dhamdhere, Kaustubh Gupte, Mahesh Sawant
  • Alkyl hydroxylamine compounds and their use for shortstopping free radical polymerizations
    Patent number: 9234052
    Abstract: This invention provides a method for shortstopping free radical polymerization reactions using combinations of N-isopropylhydroxylamine (IPHA) or salts thereof with either primary or secondary alkyl hydroxylamines, or with at least two primary alkyl hydroxylamines. A method for producing elastomers using the aforesaid shortstopping agents is also provided.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: January 12, 2016
    Assignee: ANGUS CHEMICAL COMPANY
    Inventors: Kaustubh Gupte, Charles E. Coburn, Mrunalini S. Dhamdhere, Mahesh Sawant
  • NITRONE COMPOUNDS AND THEIR USE IN PERSONAL CARE
    Publication number: 20150335546
    Abstract: Provided are compounds and compositions thereof that are useful as antioxidants in personal care formulations. The compounds are of the formula I: wherein R, R1, R2, R3, R4, R5 and R6 are as defined herein.
    Type: Application
    Filed: August 6, 2015
    Publication date: November 26, 2015
    Inventors: Mrunalini S. Dhamdhere, George D. Green, Shao-Ching Hung, Raymond J. Swedo
  • ALKYL HYDROXYLAMINE COMPOUNDS AND THEIR USE FOR SHORTSTOPPING FREE RADICAL POLYMERIZATIONS
    Publication number: 20150252121
    Abstract: This invention provides a method for shortstopping free radical polymerization reactions using a shortstopping agent comprising at least two alkyl hydroxylamines (AHAs) selected from the group consisting of primary AHAs, a mixture of at least one of each of primary and secondary AHAs, and salts thereof. A method for producing elastomers using the aforesaid shortstopping agents is also provided.
    Type: Application
    Filed: September 23, 2013
    Publication date: September 10, 2015
    Inventors: Charles E. Coburn, Mrunalini S. Dhamdhere, Kaustubh Gupte, Mahesh Sawant
  • ALKYL HYROXYLAMINE COMPOUNDS AND THEIR USE FOR SHORTSTOPPING FREE RADICAL POLYMERIZATIONS
    Publication number: 20150166689
    Abstract: This invention provides a method for shortstopping free radical polymerization reactions using combinations of N-isopropylhydroxylamine (IPHA) or salts thereof with either primary or secondary alkyl hydroxylamines, or with at least two primary alkyl hydroxylamines. A method for producing elastomers using the aforesaid shortstopping agents is also provided.
    Type: Application
    Filed: June 13, 2013
    Publication date: June 18, 2015
    Inventors: Kaustubh Gupte, Charles E. Coburn, Mrunalini S. Dhamdhere, Mahesh Sawant
  • NITRONE COMPOUNDS AND THEIR USE IN PERSONAL CARE
    Publication number: 20140303255
    Abstract: Provided are compounds and compositions thereof that are useful as antioxidants in personal care formulations. The compounds are of the formula I: wherein R, R1, R2, R3, R4, R5 and R6 are as defined herein.
    Type: Application
    Filed: November 6, 2012
    Publication date: October 9, 2014
    Inventors: Mrunalini S. Dhamdhere, George D. Green, Shao-Ching Hung, Raymond J. Swedo