Patents by Inventor Aixing Fan

Aixing Fan 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).

  • Publication number: 20020051758
    Abstract: Clear antiperspirant and/or deodorant compositions, especially clear sticks having good structural integrity, can be formed by incorporating at least 8% by weight based on the total weight of the composition of a selected siliconized polyamide into a product formulated with at least one silicone material and at least one non-silicone emollient. The siliconized polyamides have the silicone portion in the acid side of the polyamide and are selected so that: (a) the degree of polymerization in the silicone portion is in the range of 12-18; (b) the average molecular weight of the siliconized polyamide is at least 50,000 daltons with at least 95% of the polyamide having a molecular weight greater than 10,000 as measured by size exclusion chromatography; and (c) the polydispersity is less than 20.
    Type: Application
    Filed: August 3, 2001
    Publication date: May 2, 2002
    Inventors: Heng Cai, Adriana Urrutia-Gutierrez, Aixing Fan
  • Publication number: 20020048557
    Abstract: Antiperspirant and/or deodorant compositions are disclosed that exhibit low white residue on both skin and fabric and which are formed by combining selected silicone polyamides with a selected co-gellant and an antiperspirant active having a high bulk density. The compositions may be formed as sticks, creams or roll-ons with good aesthetics.
    Type: Application
    Filed: August 3, 2001
    Publication date: April 25, 2002
    Inventors: Heng Cai, Aixing Fan, Anthony Esposito
  • Patent number: 6342210
    Abstract: A method for forming micronized antiperspirant salts is disclosed wherein the method comprises the steps of: (1) forming an aqueous salt solution of a parent salt wherein the solution has a glycol content of less than 5 weight %; (2) pouring the salt solution onto a bounded flat surface; (3) evaporating the solvent from the salt solution so as to form a glass; (4) breaking up the glass using one or more steps to form particles having an average size in the range of 0.5-2.00 cm2; (5) mixing the particles from step (4) with a non-aqueous liquid vehicle in which the salt is not appreciably soluble and subjecting the mixture to an intermediate grinding process to form a suspension with particles having an average size of less than 200 microns; and (6) grinding the mixture from step (5) at a temperature in the range of 20-70 degrees C. without added water or external heating being required so that the particles in the suspension have an average particle size of less than or equal to 20 microns.
    Type: Grant
    Filed: April 20, 2001
    Date of Patent: January 29, 2002
    Assignee: Colgate-Palmolive Company
    Inventors: Heng Cai, Xiaozhong Tang, Aixing Fan