Patents by Inventor Clel E. Lee

Clel E. Lee 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).

  • Aliphatic polycarboxylic acids as air purification compositions
    Patent number: 5039481
    Abstract: A method for reducing the amount of ammonia released into the air in a livestock enclosure by the decomposition of livestock excrement or urine by applying to areas of the enclosure where livestock excrement or urine accumulates an ammonia scavenging composition that contains an aliphatic polycarboxylic acid in an amount sufficient to scavenge a portion of the ammonia which is generated due to the decomposition of the livestock excrement or urine, thereby reducing the amount of ammonia released into the air within the enclosure.
    Type: Grant
    Filed: May 29, 1990
    Date of Patent: August 13, 1991
    Assignee: Clean Air, Inc.
    Inventors: James G. Pacifici, Clel E. Lee