Details for Patent: 3,721,687
Summary for Patent: 3,721,687
| Title: | 3-keto-delta 4-9alpha-halo-11-oxygenated-16-methyl or methylene-17alpha-acyloxy-20-keto-21-halo pregnenes |
| Abstract: | ANTI-INFLAMMATORY STERIODS OF THE FORMULA 9-Y,11-X,16-R3,17-(R2-O-),17-(R1-CH2-CO-)ANDROST-4-EN- WHEREIN R1 IS A FLUORINE, CHLORINE, BROMINE OR IODINE ATOM, R2 IS AN ALKANOXY GROUP CONTAINING 1-4 CARBON ATOMS, R3 IS AN ALKYL GROUP CONTAINING 1-4 CARBON ATOMS OR A METHYLENE GROUP (=CH2), X IS A HYDROXY GROUP IN THE B-CONFIGURATION OR A KETO GROUP, Y IS A FLUORINE OR CHLORINE ATOM, AND = REPRESENTS A SINGLE OR DOUBLE BOND BETWEEN THE 1AND 2-POSITIONS OF THE MOLECULE. 3-ONE |
| Inventor(s): | P May, J Elks, G Phillipps |
| Assignee: | Glaxo Laboratories Ltd |
| Application Number: | US00044565A |
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Patent Claim Types: see list of patent claims |
Drugs Protected by US Patent 3,721,687
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
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International Family Members for US Patent 3,721,687
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
|---|---|---|---|---|---|
| Belgium | 727109 | ⤷ Start Trial | |||
| Brazil | 6905681 | ⤷ Start Trial | |||
| Canada | 952900 | ⤷ Start Trial | |||
| Switzerland | 564035 | ⤷ Start Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
