US2549683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxy substituted aminoindanones
Assignee: Pharmacia and Upjohn Co
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Filing: 1948-09-29
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Granted: 1951-04-17
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Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 Richard V Heinzelmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 23:36
CPC Classifications
C; C07; C07C; C07C225/00; C07C225/22; A; A61; A61K; A61K31/00; A61K31/13; A61K31/135; C07C2602/00; C07C2602/02; C07C2602/04; C07C2602/08; C07C2602/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
35 words
AN ACID ADDITION SALT OF A SUBSTITUTED 2AMINOINDANONE-1 WHEREIN THE SUBSTITUTENTS ARE ON THE AROMATIC RING OF THE INDANE NUCLEUS AND ARE FROM THE GROUP CONSISTING OF THE MONOHYDROXY, MONOMETHODY, ORTHO-MONOHYDROXY-MONOMETHOXY, ORTHO-DIMETHOXY AND METHYLENE-ORTHODIOXY RADICALS.
Claim 2
Dependent Claim
35 words
AN ACID ADDITION SALT OF A SUBSTITUTED 2AMINOINDANONE-1 WHEREIN THE SUBSTITUTENTS ARE ON THE AROMATIC RING OF THE INDANE NUCLEUS AND ARE FROM THE GROUP CONSISTING OF THE MONOHYDROXY, MONOMETHODY, ORTHO-MONOHYDROXY-MONOMETHOXY, ORTHO-DIMETHOXY AND METHYLENE-ORTHODIOXY RADICALS.
References Cited (Backward Citations)
GB191208957A
Cited
FR747028A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |