Patents by Inventor Debra G. Mendrick

Debra G. Mendrick 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: 6260561
    Abstract: A method for cleaning the interior surfaces of a receptacle holding a body of water comprises providing the receptacle, providing an aqueous solution having from about 1 to about 100 weight percent of an aliphatic amine or salt thereof, adding the aqueous solution to the water within the receptacle. The aliphatic amine is selected from among the following: CH3CH2CH2CH2CH2CH2CH2CH2CH2CH2NH2, R—O—(CH2)3NH2 and R—O—(CH2)3NH(CH2)3NH2 wherein R is an aliphatic hydrocarbon having from 8 to 10 carbon atoms, R optionally having additional ether linkages such as CnH(n+1)—(O—CH2CH2)n′, and wherein n is an integer from 8 to 10 and n′ is an integer from 1 to 5. When the aqueous solution is added to the water, flocculus or precipitants are substantially not formed in the water proximate to the point of addition. Also disclosed is a swimming pool having a liner and a body of water within the liner.
    Type: Grant
    Filed: August 13, 1998
    Date of Patent: July 17, 2001
    Assignee: The Dow Chemical Company
    Inventors: Charles D. Gartner, Lisa M. Cooke, Debra G. Mendrick, George A. Paul