MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202517048125 A) filed by Corning Incorporated, Corning, U.S.A., on May 19, for 'methods of removing metal contaminants from glass syringes.'
Inventor(s) include Christie, Dane Alphanso; Sarafian, Adam Robert; and Sarafian, Emily Kathryn.
The application for the patent was published on June 6, under issue no. 23/2025.
According to the abstract released by the Intellectual Property India: "A method of removing metal-containing contaminants from a surface of a glass syringe includes contacting the surface of the glass syringe with an aqueous treating medium comprising fluoride ions, at least one acid, or both. The metal-containing contaminants are coupled to the surface of the glass syringe and are present at a concentration of greater than or equal to 50 ppb on the surface prior to contacting with the aqueous treating medium, and contacting the aqueous treating medium with the surface for a contact time reduces the concentration of the metal-containing contaminants on the surface of the glass syringe by greater than or equal to 50%. Methods of making glass syringes can include forming the glass syringe having at least a barrel and a syringe tip, and then removing metal-containing contaminants from surfaces thereof by contacting with the aqueous treating medium."
The patent application was internationally filed on Nov. 16, 2023, under International application No.PCT/US2023/079937.
Disclaimer: Curated by HT Syndication.