Granted Patent
Utility
US 6,620,948
· Confirmation No. 1021
PROCESS FOR THE PREPARATION OF MALEIC ANHYDRIDE
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-07-11 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2001-07-11 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-07-11 | ADS |
Application Data Sheet | 3 | View | |
| 2001-07-11 | A.PE |
Preliminary Amendment | 8 | View | |
| 2001-07-11 | SPEC |
Specification | 47 | View | |
| 2001-07-11 | CLM |
Claims | 4 | View | |
| 2001-07-11 | ABST |
Abstract | 1 | View | |
| 2001-07-11 | OATH |
Oath or Declaration filed | 4 | View | |
| 2001-07-11 | LET. |
Miscellaneous Incoming Letter | 1 | View |
Inventors
Itaru Sawaki
Okayama, JAPAN
Hideo Suwa
Okayama, JAPAN
Yasunori Ishimura
Okayama, JAPAN
Yoshiaki Iizuka
Kanagawa, JAPAN
Mineo Izumi
Kanagawa, JAPAN
Attorneys & Agents of Record
Classification
USPC
549/259
Prosecution
- Examiner
- DENTZ, BERNARD I
- Art Unit
- 1625
- Customer No.
- 22850
- Docket No.
- 211349US0DIV
- Confirmation No.
- 1021
Foreign Priority
P. HEI. 10-337356
·
1998-11-27
·
JAPAN
Publication
- Pub. No.
- US20020004603A1
- Pub. Date
- 2002-01-10
Patent Term Adjustment
-1days
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Quick Facts
- Patent No.
- US 6,620,948
- App. No.
- 09/901,686
- Filed
- 2001-07-11
- Granted
- 2003-09-16
- Pub. No.
- US20020004603A1
- Examiner
- DENTZ, BERNARD I
- Art Unit
- 1625
- PTA
- -1 days
External Links