Patents by Inventor James S. Jen

James S. Jen 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).

  • Contact lens coating selection and manufacturing process
    Patent number: 6478423
    Abstract: The invention is a method of making a coated contact lens with desirable physiological performance. Preferably, the lenses are made from hydrophobic contact lens substrate with a hydrophilic coating material. The hydrophobic lens substrate is coated with a hydrophilic material having an expansion factor greater than one. The coated lenses have low physical defect and surface roughness profiles.
    Type: Grant
    Filed: September 16, 2000
    Date of Patent: November 12, 2002
    Assignee: Johnson & Johnson Vison Care, Inc.
    Inventors: David C. Turner, John C. Heaton, Douglas G. Vanderlaan, Robert B. Steffen, Joe M. Wood, Lenora L. Copper, James S. Jen
  • COATINGS FOR BIOMEDICAL DEVICES
    Publication number: 20010036556
    Abstract: The invention provides devices having gas-phase deposited coatings. Specifically, this invention provides devices, such as biomedical devices, with gas-phase deposited vinyl pyrrolidone, N,N′-dimethylacrlyamide, ethylene glycol, vinyl acetate, vinyl acetic acid, acrylic acid, and 3,3-dimethylacrylic acid coatings that are non-fouling and wettable.
    Type: Application
    Filed: October 20, 1998
    Publication date: November 1, 2001
    Inventor: JAMES S. JEN
  • Glass compositions
    Patent number: 4387180
    Abstract: A glass batch, and a fiberizable glass composition, comprising 2 percent B.sub.2 O.sub.3 is disclosed. The glass fibers have improved dry strength and water durability and have a surface boron concentration, in weight percent, of about 2.5.
    Type: Grant
    Filed: September 29, 1982
    Date of Patent: June 7, 1983
    Assignee: Owens-Corning Fiberglas Corporation
    Inventors: James S. Jen, Marie R. P. Kalinowski