US3982016A
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: 1975-08-06
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Granted: 1976-09-21
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Expires: 1995-08-06
Abstract
Abstract Bone deposition in animals is produced by the administration of a 16-aryl-13,14-dihydro-PGE2 p-biphenyl ester.
Inventors
- 👤 Alexander H. Walsh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:24
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/77; C07D307/93; C07D307/935; C07C; C07C405/00; C07D309/00; C07D309/02; C07D309/08; C07D309/10; C07D309/12; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4056; C07F9/4059
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
66 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 phenyl; α- or β-naphthyl; dimethoxy phenyl; 3,4-methylenedioxyphenyl; 3,4,5-trimethoxyphenyl or mono-substituted phenyl wherein said substituent is chlorine, bromine, fluorine, trifluoromethyl, phenyl, methyl or methoxy.
Claim 2
Independent Claim
66 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 phenyl; α- or β-naphthyl; dimethoxy phenyl; 3,4-methylenedioxyphenyl; 3,4,5-trimethoxyphenyl or mono-substituted phenyl wherein said substituent is chlorine, bromine, fluorine, trifluoromethyl, phenyl, methyl or methoxy.
Claim 3
Dependent Claim
16 words
The method of claim 1 wherein said 16-aryl-13,14-dihydro-PGE 2 p-biphenyl ester is 16-phenyl-13,14-dihydro-PGE 2 p-biphenyl ester.
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) | 1979-09-21 | 1980-03-22 | 1980-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-21 | 1984-03-22 | 1984-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-21 | 1988-03-22 | 1988-09-21 | $7700.00 | Window Closed / Lapsed |