Details for Patent: 5,618,947
Summary for Patent: 5,618,947
| Title: | Process of preparing enantiomers of carbazole derivatives |
| Abstract: | A (+) or (-) enantiomer of a compound of formula (I) wherein R4 is methyl or ethyl, or a salt, solvate or hydrate thereof, processes for preparing said compounds and pharmaceutical compositions containing them. Compounds of formula (+) are 5-HT1 -like agonists. |
| Inventor(s): | Gary T. Borrett, John Kitteringham, Roderick A. Porter, Mark R. Shipton, Mythily Vimal, Rodney C. Young |
| Assignee: | Ligand UK Development Ltd |
| Application Number: | US08/446,655 |
|
Patent Claim Types: see list of patent claims | Compound; Process; |
Drugs Protected by US Patent 5,618,947
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Patented / Exclusive Use | >Submissiondate |
Foreign Priority and PCT Information for Patent: 5,618,947
| Foriegn Application Priority Data | ||
| Foreign Country | Foreign Patent Number | Foreign Patent Date |
| United Kingdom | 9226530 | Dec 21, 1992 |
| PCT Information | |||
| PCT Filed | December 16, 1993 | PCT Application Number: | PCT/EP93/03627 |
| PCT Publication Date: | July 07, 1994 | PCT Publication Number: | WO94/14772 |
International Family Members for US Patent 5,618,947
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
|---|---|---|---|---|---|
| Austria | 233239 | ⤷ Start Trial | |||
| Australia | 2851797 | ⤷ Start Trial | |||
| Australia | 5814594 | ⤷ Start Trial | |||
| Australia | 688748 | ⤷ Start Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
