IP Library › Granted Patent US 6,652,637
Granted Patent Utility PCT National Stage
US 6,652,637 · Confirmation No. 4013

DISAZO DYES AND INKS CONTAINING THEM

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2003-09-29 IFEE Issue Fee Payment (PTO-85B) 1 View
2001-06-28 ABST Abstract 1 View
2001-06-28 LET. Miscellaneous Incoming Letter 24 View
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Quick Facts
Patent No.
US 6,652,637
App. No.
09/869,352
Filed
2001-06-28
Granted
2003-11-25
Art Unit
1755
PTA
0 days