Patent US2675405A successfully refreshed from Google Patents.
US2675405A
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Salts of p-aminobenzoic acid and alkylamines and amino-alcohols
Assignee: Gruppo Lepetit SpA
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Filing: 1950-09-22
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Granted: 1954-04-13
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Expires: 1970-09-22
Abstract
No abstract record available.
Inventors
- 👤 Carrara Gino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:26
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/21; A61K31/215; A61K31/235; A61K31/24; A61K31/245
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
PHARMACEUTICAL PREPARATION CONTAINING AN ACTIVE COMPONENT CONSISTING ESSENTIALLY OF A PAMINOBENZOIC ACID SALT OF A MEMBER OF THE GROUP CONSISTING OF LOWER ALKYLAMINES HAVING A SINGLE AMINO GROUP AND LOWER ALKYLAMINOALKANOLS.
References Cited (Backward Citations)
CH175169A
Cited
US2165470A
Cited
US2144552A
Cited
US2256759A
Cited
US2278499A
Cited
US2403473A
Cited
US2496363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |