US2576644A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Noncorrosive choline chloride composition
Assignee: Commercial Solvents Corp
•
Filing: 1950-07-13
•
Granted: 1951-11-27
•
Expires: 1970-07-13
Abstract
No abstract record available.
Inventors
- 👤 Fred W Schmitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:20
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/435; A61K31/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A NON-CORROSIVE CHOLINE CHLORIDE COMPOSITION COMPRISING AQUEOUS CHOLINE CHLORIDE SOLUTION OF A CONCENTRATION OF AT LEAST 50% CHOLINE CHLORIDE, AN INHIBITOR SELECTED FROM THE GROUP CONSISTING OF TETRAALKALI METAL PYROPHOSPHATES, ALKALI METAL PHYTATES, ALKALI METAL HEXAMETAPHOSPHATES, AND ALKALI METAL TRIPOLYPHOSPHATES, AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TARTARIC ACID, CITRIC ACID, ALKALI METAL ACID TARTRATES, AND ALKALI METAL ACID CITRATES THE PH OF SAID COMPOSITION BEING ADJUSTED TO BETWEEN 7.0 AND 8.5.
Claim 2
Dependent Claim
74 words
A NON-CORROSIVE CHOLINE CHLORIDE COMPOSITION COMPRISING AQUEOUS CHOLINE CHLORIDE SOLUTION OF A CONCENTRATION OF AT LEAST 50% CHOLINE CHLORIDE, AN INHIBITOR SELECTED FROM THE GROUP CONSISTING OF TETRAALKALI METAL PYROPHOSPHATES, ALKALI METAL PHYTATES, ALKALI METAL HEXAMETAPHOSPHATES, AND ALKALI METAL TRIPOLYPHOSPHATES, AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TARTARIC ACID, CITRIC ACID, ALKALI METAL ACID TARTRATES, AND ALKALI METAL ACID CITRATES THE PH OF SAID COMPOSITION BEING ADJUSTED TO BETWEEN 7.0 AND 8.5.
References Cited (Backward Citations)
US2457226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-11-26 | 1955-05-28 | 1955-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-11-26 | 1959-05-28 | 1959-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-11-26 | 1963-05-28 | 1963-11-27 | $7700.00 | Window Closed / Lapsed |