IP Library › Granted Patent US 6,375,876
Granted Patent Utility PCT National Stage
US 6,375,876 · Confirmation No. 1214

Method for producing an integrally asymmetrical polyolefin membrane

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2017-01-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-01-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2017-01-04 PA.. Power of Attorney 1 View
2017-01-04 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2017-01-04 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-09-04 ABST Abstract 1 View
2001-09-04 LET. Miscellaneous Incoming Letter 62 View
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Quick Facts
Patent No.
US 6,375,876
App. No.
09/869,153
Filed
2001-09-04
Effective Filing
2001-06-25
Granted
2002-04-23
Art Unit
1711
PTA
0 days