Granted Patent
Utility
PCT National Stage
US 6,403,827
· Confirmation No. 8415
CRYSTAL OF 2-HYDROXYNAPHTHALENE-3-CARBOXYLIC ACID AND PROCESS FOR THE PREPARATION THEREOF
Patented Case
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Inventors
Ryuzo Ueno
Nishinomiya-shi, JAPAN
Masaya Kitayama
Takarazuka-shi, JAPAN
Nobutaka Izumichi
Ashiya-shi, JAPAN
Hiroyuki Kato
Kawanishi-shi, JAPAN
Attorneys & Agents of Record
Classification
USPC
562/467
Prosecution
- Examiner
- KILLOS, PAUL J
- Art Unit
- 1623
- Docket No.
- Q62538
- Confirmation No.
- 8415
Foreign Priority
127158/1999
·
1999-05-07
·
JAPAN
Patent Term Adjustment
0days
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2008-09-22
CHANGE OF NAME
Recorded 2008-09-12
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-01-03
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Quick Facts
- Patent No.
- US 6,403,827
- App. No.
- 09/720,994
- Filed
- 2001-01-03
- Granted
- 2002-06-11
- Examiner
- KILLOS, PAUL J
- Art Unit
- 1623
- PTA
- 0 days
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