Patents Assigned to Marvin S. Towsend
  • Topical composition for treatment of blepharitis
    Patent number: 5614545
    Abstract: A pharmaceutical composition for treating blepharitis or blepharoconjunctivitis is disclosed for topical administration comprising a nitroimidazole, as metronidazole, in a suitable ophthalmic carrier to be applied directly to affected ocular tissues. The carrier may be an artificial tear solution, an ointment, a water soluble gel, a nonaqueous carrier or an eyelash shampoo.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: March 25, 1997
    Assignees: Leonard Bloom, Marvin S. Towsend
    Inventors: Neil F. Martin, Howard N. Robinson
  • Topical treatment of acne with cephalosporins
    Patent number: 5409917
    Abstract: A method and composition for topically treating acne and acneiform dermal disorders includes applying an amount of a cephalosporin antibiotic effective to treat the acne and acneiform dermal disorders. The antibiotic is blended with a carrier suitable for topical application to dermal tissues. The carrier is selected from the group consisting of an aqueous liquid, an alcohol base, a water soluble gel, a lotion, an ointment, a nonaqueous liquid base, a mineral oil base, a blend of mineral oil and petrolatum, liposomes, a time-release patch, and a liquid-absorbed wipe. The cephalosporin can also be combined with benzoyl peroxide in a gel carrier.
    Type: Grant
    Filed: September 24, 1993
    Date of Patent: April 25, 1995
    Assignees: Marvin S. Towsend, Leonard Bloom
    Inventors: Howard N. Robinson, Neil F. Martin
  • Topical treatment of acne with aminopenicillins
    Patent number: 5260292
    Abstract: A method and composition for topically treating acne and acneiform dermal disorders includes applying an amount of an antibiotic selected from the group consisting of ampicillin, amoxicillin, other aminopenicillins, and cephalosporin, and derivatives and analogs thereof, effective to treat the acne and acneiform dermal disorders. The antibiotic is blended with a carrier suitable for topical application to dermal tissues. The carrier is selected from the group consisting of an aqueous liquid, an alcohol base, a water soluble gel, a lotion, an ointment base, petrolatum, a nonaqueous liquid base, a mineral oil base, a blend of mineral oil and petrolatum, a suspension of solid particles in a liquid, and a suspension of an ion-exchange resin in water.
    Type: Grant
    Filed: May 12, 1992
    Date of Patent: November 9, 1993
    Assignees: Marvin S. Towsend, Leonard Bloom
    Inventors: Howard N. Robinson, Neil F. Martin
  • Topical treatment of blepharitis
    Patent number: 4957918
    Abstract: A method and composition for treating blepharitis or blepharoconjunctivitis comprises topical administration of a nitroimidazole compound, e.g. metronidazole in a suitable carrier directly to affected ocular tissues. The carrier can be an artificial tear solution or an ointment or water soluble gel base.
    Type: Grant
    Filed: June 9, 1988
    Date of Patent: September 18, 1990
    Assignees: Leonard Bloom, Marvin S. Towsend
    Inventors: Neil F. Martin, Howard N. Robinson