Patents by Inventor Ronald F. Berry

Ronald F. Berry 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).

  • Ophthalmic compositions containing copolymers of sulfonated styrene and maleic anhydride
    Patent number: 6743439
    Abstract: Aqueous pharmaceutical solution compositions preserved with a cationic preservative and comprising a cationic drug and a sulfonated styrene/maleic anhydride copolymer are disclosed. The compositions are particularly well suited for topical ophthalmic use, but may also be used as topically administrable otic or nasal compositions.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: June 1, 2004
    Assignee: Alcon, Inc.
    Inventors: Ernesto J. Castillo, Wesley Wehsin Han, Huixiang Zhang, Ronald F. Berry
  • Method for vapor sterilizaton of articles having lumens
    Patent number: 4943414
    Abstract: A method and device for enhancing the vapor sterilization of the lumen of medical instruments and like articles under reduced pressure. A vessel containing a small amount of a vaporizable liquid sterilant solution is attached to the lumen. The sterilant vaporizes and flows directly into the lumen of the article as the pressure is reduced for the sterilization cycle.
    Type: Grant
    Filed: July 30, 1987
    Date of Patent: July 24, 1990
    Assignee: Johnson & Johnson Medical, Inc.
    Inventors: Paul T. Jacobs, Ronald F. Berry, Toby A. Soto
  • Method and apparatus for coating glass
    Patent number: 4857097
    Abstract: A stream of inert gas is induced to flow over the surface, adjacent the glass, of diverting means used to divert a flow of used coating gas away from a glass surface being coated. The stream of inert gas avoids build-up of deposits from the used coating gas on the said surface of the diverting means.
    Type: Grant
    Filed: December 23, 1987
    Date of Patent: August 15, 1989
    Assignee: Pilkington plc
    Inventor: Ronald F. Berry
  • Handling sheets of material
    Patent number: 4522544
    Abstract: A sheet handling device has lower support arms and upper support arms. The lower support arms are provided with extension members which provide further support for the back sheet of the batch which is being moved. The main use of the sheet handling device is to separate a batch of sheets from a stack or add a batch to a stack of sheets, both speedily and safely thereby making it more practical for larger stacks of sheets to be stored and transported.
    Type: Grant
    Filed: November 2, 1982
    Date of Patent: June 11, 1985
    Assignee: Pilkington Brothers p.l.c.
    Inventors: Ramesh C. R. Shah, Hugh J. Clare, Ronald F. Berry