IP Library › Patent Application 09868607
Patent Application Utility PCT National Stage
App. No. 09/868,607 · Confirmation No. 2760

PROCESS FOR THE PRODUCTION OF VITAMIN B12

Inventor: Jan Hendrik Hunik
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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2006-08-30 PA.. Power of Attorney 3 View
2001-09-28 LET. Miscellaneous Incoming Letter 26 View
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Quick Facts
App. No.
09/868,607
Filed
2001-09-28
Effective Filing
2001-06-18
Granted
2002-12-10
Art Unit
1651
PTA
0 days