Granted Patent
Utility
PCT National Stage
US 6,620,889
· Confirmation No. 5377
POWDERY, CROSSLINKED ABSORBENT POLYMERS, METHOD FOR THE PRODUCTION THEREOF, AND THEIR USE
Patented Case
View Patent ↗
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2016-04-01 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2016-04-01 | N570 |
Communication - Re: Power of Attorney (PTOL-308) | 1 | View | |
| 2016-03-30 | PA.. |
Power of Attorney | 3 | View | |
| 2016-03-30 | N417 |
Electronic Filing System Acknowledgment Receipt | 2 | View | |
| 2003-07-18 | IFEE |
Issue Fee Payment (PTO-85B) | 1 | View | |
| 2001-08-29 | LET. |
Miscellaneous Incoming Letter | 54 | View |
Inventors
Richard Mertens
Krefeld, GERMANY
Jorg Harren
Krefeld, GERMANY
Attorneys & Agents of Record
Classification
USPC
525/240
Prosecution
- Examiner
- ASINOVSKY, OLGA
- Art Unit
- 1711
- Customer No.
- 109357
- Docket No.
- 1999P40005WOUS
- Confirmation No.
- 5377
Foreign Priority
199 09 653.8
·
1999-03-05
·
GERMANY
Patent Term Adjustment
0days
Parent
PCT
is a National Stage Entry of
→
PCT/EP2000/001609
Filed 2000-02-26
· Patented Case
Child
is a Continuation of
→
App. 11/673,137
· US 8,445,596
Filed 2007-02-09
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child
is a Continuation of
→
App. 10/455,394
· US 7,179,862
Filed 2003-06-06
· Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2001-11-29
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Quick Facts
- Patent No.
- US 6,620,889
- App. No.
- 09/914,466
- Filed
- 2001-08-29
- Granted
- 2003-09-16
- Examiner
- ASINOVSKY, OLGA
- Art Unit
- 1711
- PTA
- 0 days
External Links