Patents by Inventor Ove Wik

Ove Wik 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).

  • Opthalmic compositions and methods
    Patent number: 6368585
    Abstract: Ophthalmic composition for use in ocular surgery comprises an aqueous solution of sodium hyaluronate with a concentration within the range of 18-40 mg sodium hyaluronate/ml solution and the molecular mass of sodium hyaluronate being in the range of 1×106-10×106<M>r,M. In a method for conducting ocular surgery, the composition is introduced into the eye as a surgical aid. The composition may be used in a method for conducting cataract surgery.
    Type: Grant
    Filed: September 29, 1999
    Date of Patent: April 9, 2002
    Assignee: Pharmacia AB
    Inventors: Susanna Fergéus, Kerstin Lundberg, Ove Wik
  • Ophthalmic composition
    Patent number: 6086597
    Abstract: Ophthalmic composition for use in ocular surgery includes an aqueous solution of sodium hyaluronate with a concentration within the range of 18-40 mg sodium hyaluronate/ml solution and the molecular mass of sodium hyaluronate being in the range of 1.times.10.sup.6 -10.times.10.sup.6 <M>.sub.r,M. In a method for conducting ocular surgery, the composition is introduced into the eye as a surgical aid. The composition may be used in a method for conducting cataract surgery.
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: July 11, 2000
    Assignee: Pharmacia & Upjohn AB
    Inventors: Susanna Fergeus, Kerstin Lundberg, Ove Wik
  • Surgical method
    Patent number: 5681825
    Abstract: Methods of facilitating surgical operations that involve the eye or eye area comprise introducing an opthalmologically acceptable composition containing hyaluronic acid into the site of the surgical operation. The hyaluronic acid comprises a chemically unmodified sterilized hyaluronic acid substance having a weight average molecular weight of from 4,500,000 to 12,000,000 daltons, a zero shear viscosity of from 1,000 to 80,000 Pas as measured on a 1.3-1.6% (wv) solution of hyaluronic acid substance in physiological phosphate buffer, and an absorbance at 257 nm of less than 3.5 when measured on a 1% solution of hyaluronic acid substance in sodium chloride buffer in a 10 mm cuvette. Preferred sterilized solutions of hyaluronic acid comprise hyaluronic acid which is chemically unmodified from the naturally occurring hyaluronic acid and has a weight average molecular weight of from 4,500,000 to 8,000,000 daltons, a zero shear viscosity of from 1,000 to 20,000 Pas and an absorbance at 257 nm of less than 3.5.
    Type: Grant
    Filed: March 21, 1995
    Date of Patent: October 28, 1997
    Inventors: Bengt Lindqvist, Daniel Ogbonnaya, Gillis Ponterius, Ove Wik