US2662905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilization of glyceride oils with carboxymethyl mercaptosuccinic acid
Assignee: Individual
•
Filing: 1951-10-05
•
Granted: 1953-12-15
•
Expires: 1971-10-05
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Schwab
- 👤 Patricia M Cooney
- 👤 Cyril D Evans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:19
CPC Classifications
C; C11; C11B; C11B5/00; C11B5/0071
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
IN A PROCESS FOR REFINING A GLYCERIDE OIL WHICH INCLUDES THE STEP OF STEAM DEODORIZATION, THE IMPROVEMENT WHICH COMPRISES ADDING TO THE OIL 0.001 TO 0.1 PERCENT CARBOXYMETHYL MERCAPTOSUCCINIC ACID SUBSEQUENT TO SAID DEODORIZATION AT A TIME DURING THE COOLING OF THE OIL FROM SAID DEODORIZATION.
Claim 2
Dependent Claim
46 words
IN A PROCESS FOR REFINING A GLYCERIDE OIL WHICH INCLUDES THE STEP OF STEAM DEODORIZATION, THE IMPROVEMENT WHICH COMPRISES ADDING TO THE OIL 0.001 TO 0.1 PERCENT CARBOXYMETHYL MERCAPTOSUCCINIC ACID SUBSEQUENT TO SAID DEODORIZATION AT A TIME DURING THE COOLING OF THE OIL FROM SAID DEODORIZATION.
References Cited (Backward Citations)
US2397976A
Cited
US2503401A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-12-14 | 1957-06-15 | 1957-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-12-14 | 1961-06-15 | 1961-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-12-14 | 1965-06-15 | 1965-12-15 | $7700.00 | Window Closed / Lapsed |