Alice Ione Comer
Engineers at Long Cir, Littleton, CO
License number
Colorado 60146
Issued Date
Jan 6, 1994
Renew Date
Jan 6, 1994
Type
Engineer Intern
Address
Address
2579 W Long Cir, Littleton, CO 80120
Professional information
Hydrophilic Polyurethane Impregnated Rubber For Sealing Water Leaks
US Patent:
6541106, Apr 1, 2003
Filed:
Sep 12, 2000
Appl. No.:
09/660483
Inventors:
Kurt F. von Fay - Littleton CO
William F. Kepler - Golden CO
Alice I. Comer - Littleton CO
William F. Kepler - Golden CO
Alice I. Comer - Littleton CO
Assignee:
The United States of America as represented by the Secretary of the Interior - Washington DC
International Classification:
B32B 306
US Classification:
4283066, 4283044, 4283084, 138 97, 138 98, 138 99
Abstract:
A material provided for sealing leaks in water conveyance systems includes a porous hydrophilic rubber impregnated with a water reactive polyurethane resin. When the material comes into contact with water, the rubber and polyurethane swell and this results in increased adhesion and improved sealing.