Patents by Inventor Ho Tan Tai

Ho Tan Tai 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: 4126572
    Abstract: A critical mixture of a sulphonate-type hydrotrope and a monoalkane phosphonic acid or salt thereof when included in an aqueous built liquid detergent provides for an improved stability, clarity and homogeneity thereof.
    Type: Grant
    Filed: March 3, 1977
    Date of Patent: November 21, 1978
    Assignee: Lever Brothers Company
    Inventor: Ho Tan Tai