Patents by Inventor David R. ST. GERMAIN

David R. ST. GERMAIN 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: 11905188
    Abstract: An article includes a layer including a melt processable fluoropolymer, wherein the fluoropolymer includes a copolymer of a tetrafluoroethylene and a perfluoroether, wherein the article has an ultraviolet transmittance of at least about 50% at a thickness of about 0.040 inches to about 0.062 inches when exposed to ultraviolet radiation of about 200 nm to about 280 nm. Further provided is a method of making the article and an apparatus for purifying water including an article, such as a flexible tube.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 20, 2024
    Assignee: SAINT-GOBAIN PERFORMANCE PLASTICS CORPORATION
    Inventors: Timothy J. Morris, Donald G. Curran, David R. St. Germain
  • Publication number: 20210309541
    Abstract: An article includes a layer including a melt proces sable fluoropolymer, wherein the fluoropolymer includes a copolymer of a tetrafluoroethylene and a perfluoroether, wherein the article has an ultraviolet transmittance of at least about 50% at a thickness of about 0.040 inches to about 0.062 inches when exposed to ultraviolet radiation of about 200 nm to about 280 nm. Further provided is a method of making the article and an apparatus for purifying water including an article, such as a flexible tube.
    Type: Application
    Filed: June 17, 2021
    Publication date: October 7, 2021
    Inventors: Timothy J. MORRIS, Donald G. CURRAN, David R. ST. GERMAIN
  • Publication number: 20170217793
    Abstract: An article includes a layer including a melt processable fluoropolymer, wherein the fluoropolymer includes a copolymer of a tetrafluoroethylene and a perfluoroether, wherein the article has an ultraviolet transmittance of at least about 50% at a thickness of about 0.040 inches to about 0.062 inches when exposed to ultraviolet radiation of about 200 nm to about 280 nm. Further provided is a method of making the article and an apparatus for purifying water including an article, such as a flexible tube.
    Type: Application
    Filed: January 27, 2017
    Publication date: August 3, 2017
    Inventors: Timothy J. MORRIS, Donald G. CURRAN, David R. ST. GERMAIN