Patents by Inventor Kurt H. Stenzel

Kurt H. Stenzel 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).

  • Chemically-modified fiber collagen hemostatic agents
    Patent number: 4271070
    Abstract: Chemically-modified quaternary-structured fiber collagens of minimum molecular length, diameter and periodicity, and containing a relatively high positive electrostatic charge are claimed as hemostatic agents. Specific examples are guanidinated, esterified, and guanidinated-esterified collagen fibers of the type described.
    Type: Grant
    Filed: May 5, 1980
    Date of Patent: June 2, 1981
    Assignee: Cornell Research Foundation, Inc.
    Inventors: Teruo Miyata, Albert L. Rubin, Kurt H. Stenzel
  • Fiber collagen contact lens
    Patent number: 4268131
    Abstract: Soft contact lenses are made from purified fiber collagen and mixtures of such fiber with purified solubilized collagen.
    Type: Grant
    Filed: April 11, 1979
    Date of Patent: May 19, 1981
    Assignee: Opticol Corporation
    Inventors: Teruo Miyata, Albert L. Rubin, Kurt H. Stenzel, Michael W. Dunn
  • Collagen soft contact lens
    Patent number: 4223984
    Abstract: Soft contact lenses are made from solubilized, defatted, transparent, cross-linked collagen, and/or chemically-modified collagen.
    Type: Grant
    Filed: April 4, 1979
    Date of Patent: September 23, 1980
    Assignee: Opticol Corporation
    Inventors: Teruo Miyata, Albert L. Rubin, Michael W. Dunn, Kurt H. Stenzel
  • Chemically and enzymatically modified collagen hemostatic agent
    Patent number: 4215200
    Abstract: Polymers of quaternary-structured collagen of minimum length, diameter and periodicity, and containing a relatively high positive electrostatic charge are claimed as hemostatic agents. Specific examples are guanidnated polymers of the type described, esterified polymers, and esterified-guanidinated polymers.
    Type: Grant
    Filed: October 2, 1978
    Date of Patent: July 29, 1980
    Assignee: Cornell Research Foundation, Inc.
    Inventors: Teruo Miyata, Kurt H. Stenzel, Albert L. Rubin
  • Collagen drug delivery device
    Patent number: 4164559
    Abstract: Chemically-modified collagen membrane prepared at physiologic pH and soluble thereat provides a carrier for ophthalmic medication leaving no removable material after drug release.
    Type: Grant
    Filed: September 21, 1977
    Date of Patent: August 14, 1979
    Assignee: Cornell Research Foundation, Inc.
    Inventors: Teruo Miyata, Albert L. Rubin, Kurt H. Stenzel, Michael W. Dunn