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Legal status
Patent expired
| (51) | INT.CL.: (2006.01) |
C07D 265/00 |
| (11) | Number of the document | 4646 |
| (13) | Kind of document | B |
| (21) | Application number | 99-070 |
| (22) | Date of filing the application | 1999-06-14 |
| (41) | Date of publication of the application | 1999-12-27 |
| (45) | Date of publication of patent | 2000-04-25 |
| (86) | Number | PCT/US97/22674 |
| Date | 1997-12-15 |
| (87) | Number | WO 98/27073 |
| Date | 1998-06-25 |
| (30) | Number | Date | Country code |
| 032980 | 1996-12-16 | US | |
| 838838 | 1997-04-11 | US |
| (71) |
DUPONT PHARMACEUTICALS COMPANY,
Chestnut Run Plaza, 974 Centre Road, Wilmington, Delaware,
US
|
| (72) |
Ernest Michael PIERCE, US
Anusuya CHOUDHURY, US Lawrence Rodney PARSONS JR., US |
| (73) |
BRISTOL-MYERS SQUIBB PHARMA COMPANY,
Route 206 & Provinceline Road, Princeton, New Jersey 08543-4000,
US
|
| (74) |
Reda ŽABOLIENĖ,
METIDA, Verslo centras "VERTAS", Gynėjų g. 16, LT-01109 Vilnius,
LT
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| (54) | ASYMMETRIC SYNTHESIS OF BENZOXAZONES |
| Payment date | Validity (years) | Amount | |
| 2016-11-18 | 20 | 347.00 EUR |
| Patent expired | ||
| Invalidation date | 2017-12-15 |