Patent US3626012A successfully refreshed from Google Patents.
US3626012A
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Naphthyl acetaldehydes and derivatives thereof
Assignee: Roche Palo Alto LLC
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Filing: 1968-07-02
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Granted: 1971-12-07
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Expires: 1988-07-02
Abstract
Abstract Beta -(2-Naphthyl) acetaldehydes optionally substituted at the Beta position and/or positions C-1, 4, 5, 7 or 8; and/or position C-6 possess anti-inflammatory analgesic, antipyretic and anti-pruritic activity.
Inventors
- 👤 John H Fried
- 👤 Ian T Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 17:42
CPC Classifications
C; C07; C07C; C07C323/00; C07C323/22; A; A61; A61K; A61K31/00; A61K31/11; A61K31/12; C07C323/50; C07C323/62; C07C47/00; C07C47/20; C07C47/228; C07C47/23; C07C47/232; C07C47/24; C07C47/26; C07C47/27; C07C47/273; C07C47/277; C07C57/00; C07C57/46
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
12 words
A compound selected from the group of compounds represented by the formula:
Claim 2
Dependent Claim
31 words
A compound of claim 2 wherein one of R3 and R4 is hydrogen, the other is hydrogen, methyl or ethyl; and R11 is fluoro, chloro, methyl, trifluoromethyl, methylthio, methoxymethylthio or difluoromethylthio.
Claim 3
Dependent Claim
8 words
As a compound of claim 3, Beta -(6-methyl-2-naphthyl)-acetaldehyde.
Claim 4
Dependent Claim
10 words
As a compound of claim 3, Beta -(6-methyl-2-naphthyl)- Beta -methylacetaldehyde.
Claim 5
Dependent Claim
10 words
As a compound of claim 3, Beta -(6-fluoro-2-naphthyl)- Beta -methylacetaldehyde.
Claim 6
Dependent Claim
10 words
As a compound of claim 3, Beta -(6-chloro-2-naphthyl)- Beta -methylacetaldehyde.
Claim 7
Dependent Claim
9 words
As a compound of claim 3, Beta -(6-methylthio-2-naphthyl)-Beta -methylacetaldehyde.
References Cited (Backward Citations)
US2542937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-06 | 1975-06-07 | 1975-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-06 | 1979-06-07 | 1979-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-06 | 1983-06-07 | 1983-12-07 | $7700.00 | Window Closed / Lapsed |