US2555972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of phosphatides
Assignee: Central Soya Co Inc
•
Filing: 1948-03-27
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Granted: 1951-06-05
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Expires: 1968-03-27
Abstract
No abstract record available.
Inventors
- 👤 Sulo A Karjala
- 👤 Fred W Riley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:15
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/10; C07F9/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
AS A NEW COMPOSITION OF A MATTER, A PHOSPHATIDE AND OIL COMPOSITION OF LOW VISCOSITY AT ROOM TEMPERATURE AND STABLE TOWARD OIL SEPARATION, CONSISTING OF 50-60% PHOSPHATIDES, A HIGH MOLECULAR WEIGHT FATTY ACID, VEGETABLE OIL, AND FROM 1-6% OF PROPYLENE GLYCOL.
Claim 2
Dependent Claim
41 words
AS A NEW COMPOSITION OF A MATTER, A PHOSPHATIDE AND OIL COMPOSITION OF LOW VISCOSITY AT ROOM TEMPERATURE AND STABLE TOWARD OIL SEPARATION, CONSISTING OF 50-60% PHOSPHATIDES, A HIGH MOLECULAR WEIGHT FATTY ACID, VEGETABLE OIL, AND FROM 1-6% OF PROPYLENE GLYCOL.
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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |