Patents by Inventor Syed Ashfaq Ali Shah

Syed Ashfaq Ali Shah 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).

  • Colored anhydrous gel element
    Patent number: 6902725
    Abstract: A colored anhydrous gel element for perfuming or deodorizing air or enclosed spaces is provided. The element is formed by cross-linking a functionalized liquid polymer selected from maleinized polybutadiene, maleinized polyisoprene or a copolymer of ethylene and maleic anhydride with a cross-linking agent which contains at least one complementary functional group in the presence of a non-aqueous perfume or deodorizing base and a least one metal-free solvent dye which is soluble in the non-aqueous perfume or deodorizing base, or which is provided as a solution in a non-aqueous solvent which is compatible with the non-aqueous perfume or deodorizing base. The gel elements may be incorporated into devices which are used as air fresheners or deodorizers.
    Type: Grant
    Filed: October 17, 2002
    Date of Patent: June 7, 2005
    Assignee: Reckitt Benckiser (UK) Limited
    Inventor: Syed Ashfaq Ali Shah
  • Colored anhydrous gel element
    Publication number: 20030091529
    Abstract: A colored anhydrous gel element for perfuming or deodorizing air or enclosed spaces is provided. The element is formed by cross-linking a functionalized liquid polymer selected from maleinized polybutadiene, maleinized polyisoprene or a copolymer of ethylene and maleic anhydride with a cross-linking agent which contains at least one complementary functional group in the presence of a non-aqueous perfume or deodorizing base and a least one metal-free solvent dye which is soluble in the non-aqueous perfume or deodorizing base, or which is provided as a solution in a non-aqueous solvent which is compatible with the non-aqueous perfume or deodorizing base. The gel elements may be incorporated into devices which are used as air fresheners or deodorizers.
    Type: Application
    Filed: October 17, 2002
    Publication date: May 15, 2003
    Applicant: Reckitt Benckiser (UK) Limited
    Inventor: Syed Ashfaq Ali Shah