US4355032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
9-(1,3-Dihydroxy-2-propoxymethyl)guanine as antiviral agent
Assignee: Hoffmann La Roche Inc
•
Filing: 1981-05-21
•
Granted: 1982-10-19
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Expires: 2001-05-21
Abstract
Abstract The compound 9-(1,3-dihydroxy-2-propoxymethyl)guanine and the pharmaceutically acceptable salts thereof are useful as antiviral agents.
Inventors
- 👤 Julien P. Verheyden
- 👤 John C. Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:14
CPC Classifications
C; C07; C07D; C07D473/00; C07D473/02; C07D473/18; A; A61; A61P; A61P31/00; A61P31/12; A61P31/20; A61P31/22; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/55
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
9 words
The compound 9-(1,3-dihydroxy-2-propoxymethyl)guanine and the pharmaceutically acceptable salts thereof.
Claim 2
Dependent Claim
9 words
The compound 9-(1,3-dihydroxy-2-propoxymethyl)guanine and the pharmaceutically acceptable salts thereof.
Claim 3
Dependent Claim
3 words
The compound 9-(1,3-dihydroxy-2-propoxymethyl)guanine.
Claim 4
Dependent Claim
3 words
The compound 9-(1,3-dihydroxy-2-propoxymethyl)guanine.
Claim 5
Dependent Claim
5 words
The sodium salt of 9-(1,3-dihydroxy-2-propoxymethyl)guanine.
Claim 6
Dependent Claim
5 words
The sodium salt of 9-(1,3-dihydroxy-2-propoxymethyl)guanine.
Claim 7
Dependent Claim
22 words
The antiviral pharmaceutical composition which comprises a pharmaceutically acceptable carrier and an effective amount of 9-(1,3-dihydroxy-2-propoxymethyl)guanine or a pharmaceutically acceptable salt thereof.
Claim 8
Dependent Claim
22 words
The antiviral pharmaceutical composition which comprises a pharmaceutically acceptable carrier and an effective amount of 9-(1,3-dihydroxy-2-propoxymethyl)guanine or a pharmaceutically acceptable salt thereof.
Claim 9
Dependent Claim
35 words
Method of treating viral infections in a mammal having a viral infection which comprises administering an effective amount of 9-(1,3-dihydroxy-2-propoxymethyl)guanine or a pharmaceutically acceptable salt thereof or a composition containing same as an active ingredient.
Claim 10
Dependent Claim
35 words
Method of treating viral infections in a mammal having a viral infection which comprises administering an effective amount of 9-(1,3-dihydroxy-2-propoxymethyl)guanine or a pharmaceutically acceptable salt thereof or a composition containing same as an active ingredient.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-10-18 | 1986-04-19 | 1986-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-18 | 1990-04-19 | 1990-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-18 | 1994-04-19 | 1994-10-19 | $7700.00 | Window Closed / Lapsed |