Granted Patent
Utility
US 6,540,813
· Confirmation No. 2209
METHOD OF PREPARING COMPOSITE GAS SEPARATION MEMBRANES FROM PERFLUOROPOLYMERS
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2001-04-20 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-04-20 | SPEC |
Specification | 25 | View | |
| 2001-04-20 | CLM |
Claims | 7 | View | |
| 2001-04-20 | ABST |
Abstract | 1 | View | |
| 2001-04-20 | DRW |
Drawings-only black and white line drawings | 5 | View | |
| 2001-04-20 | OATH |
Oath or Declaration filed | 3 | View | |
| 2001-04-20 | LET. |
Miscellaneous Incoming Letter | 1 | View |
Inventors
Classification
USPC
95/53
B01D67/0095
B01D2323/66
B01D53/228
B01D69/08
B01D69/12
Y10S55/05
Prosecution
- Examiner
- SPITZER, ROBERT H
- Art Unit
- 1724
- Docket No.
- 3011.1000-001(D-20896-P-1
- Confirmation No.
- 2209
Publication
- Pub. No.
- US20020038602A1
- Pub. Date
- 2002-04-04
Patent Term Adjustment
-63days
Parent
Claims priority from a provisional application
→
App. 60/211,072
Filed 2000-06-13
· Provisional Application Expired
Parent
Claims priority from a provisional application
→
App. 60/237,342
Filed 2000-09-29
· Provisional Application Expired
Child
is a Continuation of
→
App. 10/371,934
· US 6,923,846
Filed 2003-02-21
· Patented Case
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2005-01-24
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-04-20
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Quick Facts
- Patent No.
- US 6,540,813
- App. No.
- 09/839,920
- Filed
- 2001-04-20
- Granted
- 2003-04-01
- Pub. No.
- US20020038602A1
- Examiner
- SPITZER, ROBERT H
- Art Unit
- 1724
- PTA
- -63 days
External Links