Patents by Inventor Charles W. McGary

Charles W. McGary 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: 4817593
    Abstract: A process of making a polyurethane condom which comprises providing an organic solvent solution of a polyurethane, a single dipping of a condom form or mold into the polyurethane solution, raising the form from solution and allowing the resultant deposited film to cure at elevated temperatures, thereby forming the condom.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: April 4, 1989
    Assignee: Deseret Medical Inc.
    Inventors: Robert A. Taller, Charles W. McGary, Jr.
  • Patent number: 4684490
    Abstract: A process of making a polyurethane condom which comprises providing an organic solvent solution of a polyurethane, dipping a condom form or mold into the polyurethane solution, raising the form from solution and allowing the resultant deposited film to cure at elevated temperatures, thereby forming the condom.
    Type: Grant
    Filed: September 2, 1986
    Date of Patent: August 4, 1987
    Assignee: Deseret Medical, Inc.
    Inventors: Robert A. Taller, Charles W. McGary, Jr.
  • Patent number: 4678660
    Abstract: An antithrombogenic thermoplastic polyurethane product and process for preparing the same which comprises a substrate and at least one layer of a polyurethane alloy complex comprising a thermoplastic polyurethane and completely dispersed therein a preformed complex of an antithrombogenic material ionically bonded with a quaternary ammonium compound.
    Type: Grant
    Filed: August 14, 1985
    Date of Patent: July 7, 1987
    Assignee: Deseret Medical, Inc.
    Inventors: Charles W. McGary, Donald D. Solomon
  • Patent number: 4676975
    Abstract: An antithrombogenic thermoplastic polyurethane product and process for preparing the same which comprises a substrate and at least one layer of a polyurethane alloy complex comprising a thermoplastic polyurethane and completely dispersed therein a preformed complex of an antithrombogenic material ionically bonded with a quaternary ammonium compound.
    Type: Grant
    Filed: December 7, 1984
    Date of Patent: June 30, 1987
    Assignee: Becton, Dickinson and Company
    Inventors: Charles W. McGary, Donald D. Solomon
  • Patent number: 4664657
    Abstract: A lubricating film for preventing time-temperature dependent increase in adhesion in a catheter assembly including an interference-fitted thermoplastic catheter wherein a film of polydimethylsiloxane is deposited on the tip of the cannula, preferably from a solution of a volatile solvent.
    Type: Grant
    Filed: June 18, 1985
    Date of Patent: May 12, 1987
    Assignee: Becton, Dickinson and Company
    Inventors: Victor A. Williamitis, Charles W. McGary
  • Patent number: 4642242
    Abstract: An antithrombogenic polyurethane polymer being bound to a support substrate wherein the antithrombogenic agent is reacted through an aldehyde group with an amine functionality of a polyurethane-urea to form the covalently bonded antithrombogenic material.
    Type: Grant
    Filed: March 19, 1986
    Date of Patent: February 10, 1987
    Assignee: Becton, Dickinson and Company
    Inventors: Donald D. Solomon, Charles W. McGary, Vincent J. Pascarella
  • Patent number: 4600652
    Abstract: An antithrombogenic polyurethane polymer being bound to a support substrate wherein the antithrombogenic agent is reacted through an aldehyde group with an amine functionality of a polyurethane-urea to form the covalently bonded antithrombogenic material.
    Type: Grant
    Filed: April 1, 1985
    Date of Patent: July 15, 1986
    Assignee: Warner-Lambert Company
    Inventors: Donald D. Solomon, Charles W. McGary, Vincent J. Pascarella
  • Patent number: 4521564
    Abstract: Antithrombogenic polyurethane polymers having the antithrombogenic material covalently bound to the polyurethane.
    Type: Grant
    Filed: February 10, 1984
    Date of Patent: June 4, 1985
    Assignee: Warner-Lambert Company
    Inventors: Donald D. Solomon, Charles W. McGary, Vincent J. Pascarella
  • Patent number: 4463156
    Abstract: A soft, low modulus, non-crystalline segmented polyurethane characterized by a 100% modulus less than about 250 psi, initial tensile set less than about 30% and tensile strength of about 3500 to 6500 psi obtained by balancing the percent hard segment and the degree of cross-linking within the ranges 14 to 25% hard segment and 5,000 to 30,000 molecular weight per cross-link in a segmented polyurethane; and a flexible glove for use by surgeons and others which is easily donned and comfortable on the hand, wherein the glove forming material consists essentially of the aforesaid polyurethane.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: July 31, 1984
    Assignee: Warner-Lambert Co., Inc.
    Inventors: Charles W. McGary, Jr., Vincent J. Pascarella, Delmer R. Rhodes, Robert A. Taller
  • Patent number: 4434126
    Abstract: A powder coating process for producing soft, flexible polyurethane films particularly in the form of a surgical glove, wherein low melting crystalline prepolymer particles are powder coated and cured to an essentially non-crystalline film.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: February 28, 1984
    Assignee: Warner-Lambert Company
    Inventors: Charles W. McGary, Jr., Vincent J. Pascarella, Robert A. Taller, Delmer R. Rhodes, Paul E. Anglin, Charles W. Daugherty
  • Patent number: 4403084
    Abstract: A crystalline grindable end-blocked prepolymer useful in providing a polyurethane elastomer having a 100% modulus less than approximately 250 psi, tensile of 3500 to 6500 psi, and less than 30% initial tensile set, said prepolymer being the product of reacting an organic polyisocyanate, a long chain crystalline diol having an average molecular weight of approximately 500 to 5000, a polyhydroxy cross-linking agent, and an end-blocking agent.
    Type: Grant
    Filed: March 15, 1982
    Date of Patent: September 6, 1983
    Assignee: Warner-Lambert Company
    Inventors: Charles W. McGary, Jr., Delmer R. Rhodes, Vincent J. Pascarella