IP Library › Granted Patent US 6,562,998
Granted Patent Utility PCT National Stage
US 6,562,998 · Confirmation No. 1212

GRANULES OF 2-HYDROXYNAPHTHALENE-3-CARBOXYLIC ACID AND METHOD FOR PREPARING THE SAME

Patented Case View Patent ↗
⬇ PDF
 Code Description Pages PDF
2001-06-26 ABST Abstract 1 View
2001-06-26 LET. Miscellaneous Incoming Letter 39 View
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this application's details
Quick Facts
Patent No.
US 6,562,998
App. No.
09/869,143
Filed
2001-06-26
Granted
2003-05-13
Art Unit
1625
PTA
0 days