IP Library › Granted Patent US 6,458,750
Granted Patent Utility PCT National Stage
US 6,458,750 · Confirmation No. 8940

ENGINE OIL COMPOSITION WITH REDUCED DEPOSIT-FORMATION TENDENCY

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2001-06-18 LET. Miscellaneous Incoming Letter 37 View
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Quick Facts
Patent No.
US 6,458,750
App. No.
09/868,309
Filed
2001-06-18
Granted
2002-10-01
Art Unit
1764
PTA
0 days