Patents by Inventor Tak Yu Lam

Tak Yu Lam 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).

  • Non-sticky cosmetic moisturizer for skin and hair
    Patent number: 6991799
    Abstract: A non-sticky moisturizing cosmetic composition containing a relatively high level of a humectant, such as glycerol or sorbitol, and a polymeric wetting agent.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: January 31, 2006
    Assignee: Unilever Home & Personal Care USA division of Conopco, Inc.
    Inventors: Quynh T. Pham, Tak Yu Lam, Norman Kramer Richardson, Prem Chandar, Alexander Lips
  • Mild cosmetic composition with stabilized retinoids
    Patent number: 6881414
    Abstract: A cosmetic composition containing a retinoid and having an improved stability and mildness. Especially preferred compositions also include retinoid boosters and a polyhydric alcohol humectant.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: April 19, 2005
    Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.
    Inventors: Prem Chandar, Quynh T. Pham, Tak Yu Lam, Yan Zhou, Ritu Verma, Alexander Lips
  • Non-sticky cosmetic moisturizer for skin and hair
    Publication number: 20020131946
    Abstract: A non-sticky moisturizing cosmetic composition containing a relatively high level of a humectant, such as glycerol or sorbitol, and a polymeric wetting agent.
    Type: Application
    Filed: November 1, 2001
    Publication date: September 19, 2002
    Inventors: Quynh T. Pham, Tak Yu Lam, Norman Kramer Richardson, Prem Chandar, Alexander Lips
  • Mild cosmetic composition with stabilized retinoids
    Publication number: 20020110572
    Abstract: A cosmetic composition containing a retinoid and having an improved stability and mildness. Especially preferred compositions also include retinoid boosters and a polyhydric alcohol humectant.
    Type: Application
    Filed: November 1, 2001
    Publication date: August 15, 2002
    Inventors: Prem Chandar, Quynh T. Pham, Tak Yu Lam, Yan Zhou, Ritu Verma, Alexander Lips