Compositions – Heat-exchange – low-freezing or pour point – or high boiling...
Reexamination Certificate
2002-02-13
2008-11-18
Ogden, Jr., Necholus (Department: 1796)
Compositions
Heat-exchange, low-freezing or pour point, or high boiling...
C252S073000, C252S074000, C252S075000, C429S006000, C429S006000, C429S120000
Reexamination Certificate
active
07452479
ABSTRACT:
A nontoxic fuel cell engine coolant which has an electrical resistivity of greater than 250 kOhm-cm, a boiling point of greater than 90° C., a freezing point of less than −40° C., a thermal conductivity of greater than 0.4 W/m-k, a viscosity of less than 1 cPs at 80° C., a viscosity of less than 6 cPs at 0°C., a heat capacity of greater than 3 kJ/kg-K, and which is compatible with current cooling system materials.
REFERENCES:
patent: 2434110 (1948-01-01), Hatch et al.
patent: 2725359 (1955-11-01), Harman et al.
patent: 3956154 (1976-05-01), Marolewski et al.
patent: 4382870 (1983-05-01), Abel et al.
patent: 4426309 (1984-01-01), Abel et al.
patent: 4617490 (1986-10-01), Fitzpatrick et al.
patent: 4657689 (1987-04-01), Darden
patent: 4925603 (1990-05-01), Nambu
patent: 4954279 (1990-09-01), Ma et al.
patent: 5015789 (1991-05-01), Arntz et al.
patent: 5242621 (1993-09-01), Miller et al.
patent: 5269956 (1993-12-01), Miller et al.
patent: 5366651 (1994-11-01), Maes et al.
patent: 5772912 (1998-06-01), Lockyer et al.
patent: 06026979 (1994-02-01), None
patent: WO 00/33407 (2000-06-01), None
“A Chemical Base for Engine Coolant/Antifreeze With Improved Thermal Stability Properties,” by E. R. Eaton, W. H. Boon, and C. J. Smith, SAE Technical Paper Series 2001-01-1182, SAE 2001 World Congress, Detroit, Michigan, Mar. 5-8, 2001.
International Search Report of Jul. 16, 2002.
U.S. Appl. No. 09/989,888, filed Nov. 21, 2001, E. R. Eaton et al.
Boon Wyndham Henry
Eaton Edward Raynes
Smith Christopher John
Ogden, Jr. Necholus
Shell Oil Company
LandOfFree
Chemical base for fuel cell engine heat exchange... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Chemical base for fuel cell engine heat exchange..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Chemical base for fuel cell engine heat exchange... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4033420