US4018892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bone deposition by 16-aryl-13,14-dihydro-PGE2 p-biphenyl esters
Assignee: Pfizer Inc
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Filing: 1976-03-31
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Granted: 1977-04-19
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Expires: 1996-03-31
Abstract
Abstract Bone deposition in animals is produced by the administration of a 16-aryl-13,14-dihydro-PGE 2 p-biphenyl ester.
Inventors
- 👤 Alexander H. Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:29
CPC Classifications
C; C07; C07C; C07C405/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A method for increasing bone deposition for the treatment of osteopenia which comprises administering to a subject afflicted with bone loss a bone deposition increasing amount of a 16-aryl-13,14-dihydro-PGE 2 p-biphenyl ester wherein the aryl group of said 13,14-dihydro-PGE 2 p-biphenyl ester is α- or β-furyl.
Claim 2
Independent Claim
46 words
A method for increasing bone deposition for the treatment of osteopenia which comprises administering to a subject afflicted with bone loss a bone deposition increasing amount of a 16-aryl-13,14-dihydro-PGE 2 p-biphenyl ester wherein the aryl group of said 13,14-dihydro-PGE 2 p-biphenyl ester is α- or β-furyl.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-18 | 1980-10-18 | 1981-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-18 | 1984-10-18 | 1985-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-18 | 1988-10-18 | 1989-04-19 | $7700.00 | Window Closed / Lapsed |