Patents by Inventor Donald L. Bissett

Donald L. Bissett 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: 5922758
    Abstract: The subject invention involves methods and compositions for reducing non-ultraviolet-induced free radical damage in mammals comprising administering to a mammal a composition comprising a safe and effective amount of a compound selected from 2,4-dienoic acid esters of tocopherols and mixtures of such compounds, optionally in combination with chelating agents and/or anti-inflammatory agents.
    Type: Grant
    Filed: April 9, 1998
    Date of Patent: July 13, 1999
    Assignee: The Procter & Gamble Company
    Inventor: Donald L. Bissett
  • Patent number: 5849728
    Abstract: The subject invention relates to desquamation compositions comprising a combination of salicylic acid and certain zwitterionic surfactants. The subject invention further relates to methods of desquamation in mammalian skin and treating acne in mammalian skin.
    Type: Grant
    Filed: May 15, 1997
    Date of Patent: December 15, 1998
    Assignee: The Procter & Gamble Company
    Inventor: Donald L. Bissett
  • Patent number: 5681852
    Abstract: The subject invention relates to desquamation compositions comprising a combination of sulfhydryl compounds and zwitterionic surfactants. The subject invention further relates to methods of desquamation in mammalian skin and treating acne in mammalian skin.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 28, 1997
    Assignee: The Procter & Gamble Company
    Inventor: Donald L. Bissett
  • Patent number: 5652228
    Abstract: The subject invention relates to desquamation compositions comprising a combination of salicylic acid and certain zwitterionic surfactants. The subject invention further relates to methods of desquamation in mammalian skin and treating acne in mammalian skin.
    Type: Grant
    Filed: November 13, 1995
    Date of Patent: July 29, 1997
    Assignee: The Procter & Gamble Company
    Inventor: Donald L. Bissett
  • Patent number: 5487884
    Abstract: The present invention involves photoprotective compositions which are useful for topical application to prevent damage to skin caused by acute or chronic exposure to ultraviolet light comprising chelating agents. Also involved are compositions comprising chelating agents together with anti-inflammatory agents, sunscreening agents, and/or radical scavenging agents. Methods for using such compositions to prevent damage to skin caused by acute or chronic exposure to ultraviolet light are also involved.
    Type: Grant
    Filed: July 1, 1993
    Date of Patent: January 30, 1996
    Assignee: The Procter & Gamble Company
    Inventors: Donald L. Bissett, Rodney D. Bush, Ranjit Chatterjee
  • Patent number: 5462963
    Abstract: The present invention involves photoprotective compositions which are useful for topical application to prevent damage to skin caused by acute or chronic exposure to ultraviolet light comprising chelating agents having the structure: ##STR1## wherein each --R.sup.1 is independently selected from the group consisting of alkyl, aryl, heteroaryl and heterocycle, or the --R.sup.1 's are covalently bonded together to form a cyclic alkyl or heterocyclic ring; --R.sup.2 and --R.sup.3 are --OR.sup.4, in which case there is no bond or a polar bond between --R.sup.2 and the nitrogen covalently bonded to --R.sup.3, each --R.sup.4 being independently selected from the group consisting of hydrogen, alkyl and aryl, except that both --R.sup.4 's are not methyl when both --R.sup.1 's are furyl; or --R.sup.2 is --O-- and is covalently bonded to the nitrogen which is covalently bonded to --R.sup.3, and --R.sup.3 is --O-- (there being a + charge on the nitrogen to which it is bonded) or nil;wherein the .alpha.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: October 31, 1995
    Assignee: The Procter & Gamble Company
    Inventors: Rodney D. Bush, Donald L. Bissett
  • Patent number: 5384115
    Abstract: Disclosed are photoprotective compositions comprising a radical scavenging agent and an anti-inflammatory agent which are useful for topical application to prevent damage to skin caused by acute or chronic UV exposure. Combinations of a radical scavenging agent, an anti-inflammatory agent, and a sunscreen are also disclosed.Also disclosed is a method for using these compositions topically to prevent damage to skin caused by acute or chronic UV exposure.
    Type: Grant
    Filed: August 20, 1993
    Date of Patent: January 24, 1995
    Assignee: The Procter & Gamble Company
    Inventors: Donald L. Bissett, Rodney D. Bush, Ranjit Chatterjee
  • Patent number: 5364617
    Abstract: The present invention involves photoprotective compositions which are useful for topical application to prevent damage to skin caused by acute or chronic exposure to ultraviolet light comprising chelating agents having the formula ##STR1## wherein --R.sup.1 and --R.sup.2 are independently selected from the group consisting of alkyl, aryl, and heteroaryl, or R.sup.1 and R.sup.2 may be covalently bonded together to form a cyclic alkyl; --M is selected from the group consisting of =0, =S, --SR.sup.4 and --OR.sup.4 (when --M is --OR.sup.4 or --SR.sup.4, there is a hydrogen bonded to the carbon to which --M is bonded); --R.sup.4 is selected from the group consisting of hydrogen, alkyl, aryl and heteroaryl; --R.sup.3 is selected from the group consisting of hydrogen, alkyl, aryl and heteroaryl; --R.sup.6 is selected from the group consisting of hydrogen alkyl, aryl and heteroaryl; and i is selected from the group consisting of one and zero.
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: November 15, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Rodney D. Bush, Donald L. Bissett, Ranjit Chatterjee
  • Patent number: 5362748
    Abstract: The subject invention relates to methods for regulating hair growth in mammalian skin comprising topical application of diethyldithiocarbamic acid ("DEDCA") or a pharmaceutically-acceptable salt thereof. The subject invention further involves topical compositions comprising DEDCA.
    Type: Grant
    Filed: September 15, 1993
    Date of Patent: November 8, 1994
    Assignee: The Procter & Gamble Company
    Inventors: Richard J. Schwen, Donald L. Bissett
  • Patent number: 4954332
    Abstract: Disclosed are pharmaceutical compositions comprising tocopherol sorbate and an anti-inflammatory agent which are useful for topical application to prevent damage to skin caused by acute or chronic UV exposure. Combinations of tocopherol sorbate, an anti-inflammatory agent, and a sunscreen are also disclosed.Also disclosed is a method for using these compositions topically to prevent damage to skin caused by acute or chronic UV exposure.
    Type: Grant
    Filed: June 26, 1989
    Date of Patent: September 4, 1990
    Assignee: The Procter & Gamble Company
    Inventors: Donald L. Bissett, Rodney D. Bush, Ranjit Chatterjee
  • Patent number: 4946671
    Abstract: Disclosed are pharmaceutical compositions comprising sorbohydroxamic acid, or pharmaceutically-acceptable salts thereof, and an anti-inflammatory agent, which are useful for topical application to prevent damage to skin caused by acute or chronic UV exposure. Combinations of sorbohydroxamic acid and an anti-inflammatory agent together with tocopherol sorbate and/or sunscreens are also disclosed.Also disclosed is a method for using these compositions topically to prevent damage to skin caused by acute or chronic UV exposure.
    Type: Grant
    Filed: May 2, 1989
    Date of Patent: August 7, 1990
    Assignee: The Procter & Gamble Company
    Inventors: Donald L. Bissett, Ranjit Chatterjee
  • Patent number: 4847071
    Abstract: Disclosed are pharmaceutical compositions comprising tocopherol sorbate and an anti-inflammatory agent which are useful for topical application to prevent damage to skin caused by acute or chronic UV exposure. Combinations of tocopherol sorbate, an anti-inflammatory agent, and a sunscreen are also disclosed.Also disclosed is a method for using these compositions topically to prevent damage to skin caused by acute or chronic UV exposure.
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: July 11, 1989
    Assignee: The Procter & Gamble Company
    Inventors: Donald L. Bissett, Rodney D. Bush, Ranjit Chatterjee
  • Patent number: 4847072
    Abstract: Disclosed are pharmaceutical compositions comprising tocopherol sorbate which are useful for topical application to prevent damage to skin caused by acute or chronic UV exposure. Combinations of tocopherol sorbate and sunscreening agents are also disclosed.Also disclosed is a method for using these compositions topically, to prevent damage to skin caused by acute or chronic UV exposure.
    Type: Grant
    Filed: October 22, 1987
    Date of Patent: July 11, 1989
    Assignee: The Procter & Gamble Company
    Inventors: Donald L. Bissett, Rodney D. Bush
  • Patent number: 4555360
    Abstract: Mild detergent compositions comprise mild, water soluble, foaming anionic detergent surfactants and a mixture of small amounts of betaine surfactant and amine oxide suds booster.
    Type: Grant
    Filed: June 22, 1984
    Date of Patent: November 26, 1985
    Assignee: The Procter & Gamble Company
    Inventors: Donald L. Bissett, Mark H. K. Mao