Patent US2581038A successfully refreshed from Google Patents.
US2581038A
Expired / Lapsed
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Choline preparations
Assignee: Hoechst AG
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Filing: 1949-04-19
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Granted: 1952-01-01
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Expires: 1969-04-19
Abstract
No abstract record available.
Inventors
- 👤 Middendorf Leonhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:00
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/185; A61K31/19; A61K31/195
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A CAPSULE SOLUBLE IN DIGESTIVE JUICE AND CONTAINING AN EMULSION OF LIQUEFIED HYDRATED CHOLINE CHLORIDE AS THE DISPERSED PHASE IN A PHYSIOLOGICALLY TOLERABLE OLEAGINOUS MEDIUM OF THE CLASS CONSISTING OF FATS AND HIGHER HYDROCARBONS.
Claim 2
Dependent Claim
34 words
A CAPSULE SOLUBLE IN DIGESTIVE JUICE AND CONTAINING AN EMULSION OF LIQUEFIED HYDRATED CHOLINE CHLORIDE AS THE DISPERSED PHASE IN A PHYSIOLOGICALLY TOLERABLE OLEAGINOUS MEDIUM OF THE CLASS CONSISTING OF FATS AND HIGHER HYDROCARBONS.
References Cited (Backward Citations)
DE593271C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |