Granted Patent
Utility
US 6,515,159
· Confirmation No. 2740
S, S-ETHYLENEDIAMINE-N, N'-DISUCCINIC ACID IRON ALKALI SALT AND A PROCESS FOR PRODUCTION THEREOF
Inventors
Toshitake Yamakawa
Hiroshima, JAPAN
Haruo Sakai
Hiroshima, JAPAN
Attorneys & Agents of Record
Classification
USPC
556/148
Prosecution
- Examiner
- PATEL, SUDHAKER B
- Art Unit
- 1624
- Docket No.
- 7401/71975
- Confirmation No.
- 2740
Foreign Priority
09-314562
·
1997-10-31
·
JAPAN
09-366286
·
1997-12-25
·
JAPAN
Publication
- Pub. No.
- US20020040156A1
- Pub. Date
- 2002-04-04
Patent Term Adjustment
-29days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-08-17
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 6,515,159
- App. No.
- 09/931,245
- Filed
- 2001-08-17
- Granted
- 2003-02-04
- Pub. No.
- US20020040156A1
- Examiner
- PATEL, SUDHAKER B
- Art Unit
- 1624
- PTA
- -29 days
External Links