Robert A Krenowicz from 308 Saint James Dr, Edmond, OK 73034, age 93, Phone: (405)3598549

Robert Krenowicz Phones & Addresses

Lubricating Oil Composition
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US Patent:

41233697, Oct 31, 1978
Filed:

Dec 1, 1976
Appl. No.:

5/746284
Inventors:

Edsel L. Miller - Ponca City OK
Robert A. Krenowicz - Ponca City OK
Assignee:

Continental Oil Company - Ponca City OK
International Classification:

C10M 148
C10M 342
C10M 524
C10M 746
US Classification:

252 327E
Abstract:

An extended service crankcase lubricating oil composition comprising a base oil and an additive package including a combination of alkaline earth metal sulfonate and alkaline earth metal phosphonate-phenate sulfide. This combination provides enhanced rust inhibition.

Fractionation Process For Petroleum Wax
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US Patent:

50322494, Jul 16, 1991
Filed:

Aug 28, 1990
Appl. No.:

7/574836
Inventors:

Richard L. Jones - Katy TX
Michael R. Mitchael - Katy TX
Robert A. Krenowicz - Ponca City OK
W. Mark Southard - Ponca City OK
Assignee:

Conoco Inc. - Ponca City OK
International Classification:

L10G 7300
US Classification:

208 24
Abstract:

Heavy intermediate petroleum wax is separated into two fractions in a wiped film evaporator to provide a lower boiling fraction of narrow melting range particularly suitable for use in hot melt adhesive formulations.