Patents by Inventor Chung Hing Lao

Chung Hing Lao 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: 10596092
    Abstract: The present invention relates to a composition and a deodorizing preparation comprising such composition for reducing, inhibiting or suppressing malodour developed from a body part of a subject. The composition comprises an active ingredient in an effective amount, the active ingredient comprising one or more of a hexamine, a derivative thereof and a compound thereof. The composition further comprises a buffer system adapted to maintain pH of the composition within a range of about 7.0 to about 11.0 when the composition is applied on the body part. The buffer system is adapted to substantially neutralise topical acidity of the body part to thereby reduce or minimise generation of skin-irritating formaldehyde from the hexamine comprising active ingredient.
    Type: Grant
    Filed: October 23, 2017
    Date of Patent: March 24, 2020
    Inventor: Chung Hing Lao
  • Publication number: 20190021975
    Abstract: The present invention relates to a composition and a deodorizing preparation comprising such composition for reducing, inhibiting or suppressing malodour developed from a body part of a subject. The composition comprises an active ingredient in an effective amount, the active ingredient comprising one or more of a hexamine, a derivative thereof and a compound thereof. The composition further comprises a buffer system adapted to maintain pH of the composition within a range of about 7.0 to about 11.0 when the composition is applied on the body part. The buffer system is adapted to substantially neutralise topical acidity of the body part to thereby reduce or minimise generation of skin-irritating formaldehyde from the hexamine comprising active ingredient.
    Type: Application
    Filed: October 23, 2017
    Publication date: January 24, 2019
    Inventor: Chung Hing Lao