Patents by Inventor Matthew David Shair

Matthew David Shair 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).

  • Topical compositions comprising protected functional thiols
    Patent number: 6544499
    Abstract: This invention relates to a topical composition for treating amino acid based substrates comprising a protected thiol compound having the formula R—(S—Pr)m where R is a functional group, S is sulfur, and Pr is a heterocyclic protecting group, and m is an integer between 1 and 100. The invention further relates to systems which comprise this protected thiol compound and an activating mechanism. The protected thiol compounds of the present invention may be used in hair care compositions, textile care compositions, cosmetic compositions, oral care compositions, skin care, nail care, laundry care, acne care and animal care compositions. A preferred embodiment of the present invention provides a silicone composition and method for making. The composition comprises a polysiloxane or silicone resin, at least one linker, and at least one molecular hook.
    Type: Grant
    Filed: January 7, 2000
    Date of Patent: April 8, 2003
    Assignee: The Procter & Gamble Company
    Inventors: Robert Wayne Glenn, Jr., Alan Roy Katritzky, Eric Block, Matthew David Shair, Matthew David Butts
  • Topical compositions comprising protected functional thiols
    Patent number: 6495125
    Abstract: This invention relates to a topical composition for treating amino acid based substrates comprising a protected thiol compound having the formula R—(S—Pr)m where R is a functional group, S is sulfur, and Pr is a heterocyclic protecting group, and m is an integer between 1 and 100. The invention further relates to systems which comprise this protected thiol compound and an activating mechanism. The protected thiol compounds of the present invention may be used in hair care compositions, textile care compositions, cosmetic compositions, oral care compositions, skin care, nail care, laundry care, acne care and animal care compositions. Preferred embodiments of the present invention provide a modified UV absorber and a modified antioxidant, methods for making them and compositions conprising them.
    Type: Grant
    Filed: January 5, 2001
    Date of Patent: December 17, 2002
    Assignee: The Procter & Gamble Company
    Inventors: Robert Wayne Glenn, Jr., Alan Roy Katritzky, Eric Block, Matthew David Shair, Thomas Ehlis, Joseph Anthony Lupia
  • Topical compositions comprising protected functional thiols
    Publication number: 20020012639
    Abstract: This invention relates to a topical composition for treating amino acid based substrates comprising a protected thiol compound having the formula
    Type: Application
    Filed: January 5, 2001
    Publication date: January 31, 2002
    Inventors: Robert Wayne Glenn, Alan Roy Katritzky, Eric Block, Matthew David Shair, Thomas Ehlis, Joseph Anthony Lupia