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Legal status
Patent lapsed (non-payment of fees)
| (51) | INT.CL.: (2006.01) |
A61K 31/075 A61K 31/21 A61K 31/33 A61K 31/41 A61K 31/44 A61K 31/50 A61K 31/535 C12P 17/10 |
| (11) | Number of the document | 3997 |
| (13) | Kind of document | B |
| (21) | Application number | IP1583 |
| (22) | Date of filing the application | 1993-12-10 |
| (41) | Date of publication of the application | 1995-06-26 |
| (45) | Date of publication of patent | 1996-06-25 |
| (30) | Number | Date | Country code |
| 285151 | 1988-12-12 | US | |
| 335007 | 1989-04-07 | US | |
| 351331 | 1989-05-03 | US | |
| PCT/US89/05599 | 1990-12-08 | WO | |
| 4895765 | 1991-06-11 | SU |
| (71) |
FMC CORPORATION,
1735 Market Street, Philadelphia, Pennsylvania 19103,
US
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| (72) |
Blaik Phillip HALLING, US
Debra Ann WITKOWSKI, US |
| (73) |
FMC CORPORATION,
1735 Market Street, Philadelphia, Pennsylvania 19103,
US
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| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | PROCESS FOR PREPARING PROTOPORPHYRINS AND USE THEREOF |
| Payment date | Validity (years) | Amount | |
| 1997-10-13 | 5 | 100.00 USD |
| Patent lapsed (non-payment of fees) | ||
| Invalidation date | 1998-12-10 |