Patents by Inventor Wallace Snipes

Wallace Snipes 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).

  • Polymeric diffusion burn matrix and method of use
    Patent number: 4579731
    Abstract: A protective skin matrix is provided which is particularly suited for the protection of burned or wounded patients. The matrix may be either cured, applied in sheets, or painted or sprayed directly onto the burned or wounded patient. The protective skin matrix includes polyvinylpyrrolidone, polyvinylalcohol, and glycerol.
    Type: Grant
    Filed: June 19, 1984
    Date of Patent: April 1, 1986
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Charles L. Fox, Jr., Alec D. Keith, Wallace Snipes
  • Protective skin matrix
    Patent number: 4492685
    Abstract: A protective skin matrix is provided which is particularly suited for the protection of burned or wounded patients. The matrix may be either cured, applied in sheets, or painted or sprayed directly onto the burned or wounded patient. The protective skin matrix includes polyvinylpyrrolidone, polyvinylalcohol, and glycerol.
    Type: Grant
    Filed: January 30, 1984
    Date of Patent: January 8, 1985
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing chlorpheniramine maleate
    Patent number: 4472372
    Abstract: There is disclosed a polymeric diffusion matrix for the sustained release of chlorpheniramine maleate by transdermal delivery to a patient wherein the matrix comprises a polar plasticizer, polyvinylalcohol, polyvinylpyrrolidone, and a pharmaceutically effective amount of chlorpheniramine maleate.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: September 18, 1984
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix
    Patent number: 4470962
    Abstract: A polymeric diffusion matrix is provided comprising from about 2 to about 60% glycerol, from about 2 to about 15% polyvinylalcohol, from about 2 to about 10% water soluble polymer with hydration sites which in combination with the remaining ingredients yields a matrix capable of sustained release of a drug dispersed therein, and the balance water, the percentages being by weight.
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: September 11, 1984
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix
    Patent number: 4466953
    Abstract: A polymeric diffusion matrix is provided comprising from about 2 to about 60% glycerol, from about 2 to about 15% polyvinylalcohol, from about 2 to about 10% water soluble polymer with hydration sites which in combination with the remaining ingredients yields a matrix capable of sustained release of a drug dispersed therein, and the balance water, the percentages being by weight.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: August 21, 1984
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing propranolol
    Patent number: 4460562
    Abstract: A self-supporting polymeric diffusion matrix provides for the sustained release of propranolol in order to deliver the propranolol to a patient. The matrix comprises from about 1 to about 60% of a polar plasticizer, from about 6 to about 30% by weight polyvinylalcohol, from about 2 to about 30% by weight polyvinylpyrrolidone, and a pharmaceutically effective amount of propranolol to provide a sustained release of propranolol over a prolonged period.
    Type: Grant
    Filed: March 30, 1983
    Date of Patent: July 17, 1984
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing estrogens
    Patent number: 4438139
    Abstract: A polymeric diffusion matrix for the sustained release, intravaginal administration of an estrogen is provided. The matrix consists of polyvinylalcohol, polyvinylpyrrolidone and a polar plasticizer.
    Type: Grant
    Filed: January 4, 1982
    Date of Patent: March 20, 1984
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Inactivation of lipid containing viruses with butylated hydroxytoluene
    Patent number: 4350707
    Abstract: Inactivation of, and treatment of diseases caused by, lipid containing viruses, particularly herpes simplex virus, with butylated hydroxytoluene.
    Type: Grant
    Filed: February 5, 1976
    Date of Patent: September 21, 1982
    Assignee: Research Corporation
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing ester derivatives of estradiol
    Patent number: 4321252
    Abstract: There is disclosed a polymeric diffusion matrix for the sustained release of an estradiol ester by delivery to a patient requiring uterine wall maintenance or other types of estrogen therapy wherein the matrix comprises a polar plasticizer, polyvinylalcohol, polyvinylpyrrolidone, and a pharmaceutically effective amount of estradiol ester.
    Type: Grant
    Filed: December 17, 1980
    Date of Patent: March 23, 1982
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing phenylephrine
    Patent number: 4294820
    Abstract: There is disclosed a polymeric diffusion matrix for the sustained release of phenylephrine by transdermal delivery to a patient wherein the matrix comprises a polar plasticizer, polyvinylalcohol, polyvinylpyrrolidone, and a pharmaceutically effective amount of phenylephrine.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: October 13, 1981
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing terbutaline
    Patent number: 4292302
    Abstract: There is disclosed a polymeric diffusion matrix for the sustained release of terbutaline by transdermal delivery to a patient wherein the matrix comprises a polar plasticizer, polyvinylalcohol, polyvinylpyrrolidone, and a pharmaceutically effective amount of terbutaline.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: September 29, 1981
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing ephedrine
    Patent number: 4292301
    Abstract: There is disclosed a polymeric diffusion matrix for the sustained release of ephedrine by transdermal delivery to a patient wherein the matrix comprises a polar plasticizer, polyvinylalcohol, polyvinylpyrrolidone, and a pharamaceutically effective amount of ephedrine.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: September 29, 1981
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing clonidine
    Patent number: 4292303
    Abstract: There is disclosed a polymeric diffusion matrix for the sustained release of clonidine by transdermal delivery to a patient wherein the matrix comprises a polar plasticizer, polyvinylalcohol, polyvinylpyrrolidone, and a pharmaceutically effective amount of clonidine.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: September 29, 1981
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing estradiol diacetate
    Patent number: 4291014
    Abstract: There is disclosed a polymeric diffusion matrix for the sustained release of estradiol diacetate by delivery to a patient requiring uterine wall maintenance or other types of estrogen therapy wherein the matrix comprises a polar plasticizer, polyvinylalcohol, polyvinylpyrrolidone, and a pharmaceutically effective amount of estradiol diacetate.
    Type: Grant
    Filed: July 11, 1980
    Date of Patent: September 22, 1981
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing a vasodilator
    Patent number: 4291015
    Abstract: A polymeric diffusion matrix containing a vasodilator is provided comprising from about 2 to about 60% of a polar plasticizer, e.g., glycerol, from about 2 to about 15% of a matrix component, e.g., polyvinylalcohol, from about 2 to about 10% of a water-soluble polymer with hydration sites, e.g., polyvinylpyrrolidone, which in combination with the remaining ingredients yields a matrix capable of sustained release of a vasodilator drug dispersed therein, and the balance water, the percentages being by weight.
    Type: Grant
    Filed: June 26, 1980
    Date of Patent: September 22, 1981
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes
  • Polymeric diffusion matrix containing phenylpropanolamine
    Patent number: 4289749
    Abstract: There is disclosed a polymeric diffusion matrix for the sustained release of phenylpropanolamine by transdermal delivery to a patient wherein the matrix comprises a polar plasticizer, polyvinylalcohol, polyvinylpyrrolidone, and a pharmaceutically effective amount of phenylpropanolamine.
    Type: Grant
    Filed: July 9, 1980
    Date of Patent: September 15, 1981
    Assignee: Key Pharmaceuticals, Inc.
    Inventors: Alec D. Keith, Wallace Snipes