Patents by Inventor Lealand L. Clark

Lealand L. Clark 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: 5151425
    Abstract: According to the invention, it has been found that plant cytokinins are effective in treating inflammation in mammals, such as humans. The plant cytokinins are effective to treat the inflammation, to accelerate healing of lesions, and to provide substantially immediate relief of pain, itching, and other immunological responses resulting from inflammation. The plant cytokinin is administered to the mammal in a suitable pharmaceutical preparation.Particular plant cytokinins which have been tested include trans-zeatin (trans-6-(4-hydroxy-3-methyl(but-2-enyl)-aminopurine)), 6-benzyl-adenine (6-benzylaminopurine), and kinetin (6-furfurylaminopurine).A composition for topical use in accordance with the method comprises an effective amount of the plant cytokinin in a carrier suitable for topical application to the human skin, for example, hydrophilic ointment, isopropyl alcohol, or a powder formulation.
    Type: Grant
    Filed: June 20, 1991
    Date of Patent: September 29, 1992
    Inventor: LeaLand L. Clark
  • Patent number: 5106879
    Abstract: A treatment for inflammatory disorders, such as herpes simplex, eczema, shingles, atopic dermatitis, psoriasis, etc. The treatment includes the topical application of an ointment base containing a small quantity ot triacontanol. The triacontanol-ointment preparation is applied directly to the infected skin area as often as is needed.
    Type: Grant
    Filed: April 8, 1991
    Date of Patent: April 21, 1992
    Inventor: Lealand L. Clark
  • Patent number: 4670471
    Abstract: A treatment for inflammatory disorders, such as herpes simplex, eczema, shingles, atopic dermatitis, psoriasis, etc. The treatment includes the topical application of an ointment base containing a small quantity of triacontanol. The triacontanol-ointment preparation is applied directly to the infected skin area as often as is needed.
    Type: Grant
    Filed: January 15, 1985
    Date of Patent: June 2, 1987
    Inventor: Lealand L. Clark
  • Patent number: 4082846
    Abstract: A method for treating psoriasis by the topical application of the hydrazide of isonicotinic acid (isoniazid) in a carrier base.
    Type: Grant
    Filed: November 18, 1976
    Date of Patent: April 4, 1978
    Assignee: University of Utah
    Inventor: Lealand L. Clark