US2768084A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil soluble synergistic antioxidant
Assignee: Griffith Laboratories Ltd
•
Filing: 1952-06-25
•
Granted: 1956-10-23
•
Expires: 1972-06-25
Abstract
No abstract record available.
Inventors
- 👤 Carroll L Griffith
- 👤 Sair Louis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:03
CPC Classifications
A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/742; A23B11/00; A23B11/10; A23B11/18; A23B11/40; A23B11/45; A23B11/60; A23B11/65; A23B5/00; A23B5/08; A23B5/12; A23B5/14; C; C11; C11B; C11B5/00; C11B5/0092
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
202 words
THE METHOD OF MAKING AN ANTIOXIDANT SOLUTION WHICH COMPRISES FORMING A FIRST SOLUTION BY ADDING BUTYLATED HYDROXYANISOLE TO A PORTION OF AN EDIBLE OIL AND AGITATING UNTIL SUBSTANTIALLY ALL OF THE BUTYLATED HYDROXYANISOLE IS DISSOLVED; FORMING A SECOND SOLUTION BY ADDING LECITHIN TO A SECOND PORTION OF SAID EDIBLE OIL, AGITATING UNTIL SUBSTANTIALLY ALL OF THE LECITHIN IS DISSOLVED, ADDING AN ANTIOXIDANT ACID OF THE CLASS CONSISTING OF CITRIC, TARTARIC AND PHOSPHORIC ACIDS, AGITATING UNTIL SUBSTANTIALLY ALL OF THE ACID IS DISSOLVED, ADDING A GALLIC ACID ESTER OF THE CLASS CONSISTING OF METHYL, ETHYL, PROPYL, BUTYL, HEXYL, AND IS DISSOLVED, SAID SECOND PORTION OF EDIBLE OIL BEING MAINTAINED AT A TEMPERATURE SUFFICIENTLY HIGH TO DISSOLVE THE ADDED INGREDIENTS, BUT BELOW THE DECOMPOSITION POINT OF LECITHIN DURING SAID ADDITIONS AND AGITATIONS, AND RAPIDLY COOLING SAID SECOND SOLUTION; AND COMBINING THE TWO SOLUTIONS BY ADDING ONE TO THE OTHER AND AGITATING UNTIL SUBSTANTIALLY COMPLETE UNIFORMITY IS ACHIEVED, THE TEMPERATURE OF THE COMBINED SOLUTIONS BEING MAINTAINED BETWEEN ROOM TEMPERATURE AND ABOUT 128* F. DURING THIS AGITATION, THE AMOUNT OF FREE WATER PRESENT DURING THE FORMATION OF THE SECOND SOLUTION AND THE COMBINING OF THE FIRST AND SECOND SOLUTIONS BEING NOT NOT GREATER THAN ABOUT 5%.
Claim 2
Independent Claim
202 words
THE METHOD OF MAKING AN ANTIOXIDANT SOLUTION WHICH COMPRISES FORMING A FIRST SOLUTION BY ADDING BUTYLATED HYDROXYANISOLE TO A PORTION OF AN EDIBLE OIL AND AGITATING UNTIL SUBSTANTIALLY ALL OF THE BUTYLATED HYDROXYANISOLE IS DISSOLVED; FORMING A SECOND SOLUTION BY ADDING LECITHIN TO A SECOND PORTION OF SAID EDIBLE OIL, AGITATING UNTIL SUBSTANTIALLY ALL OF THE LECITHIN IS DISSOLVED, ADDING AN ANTIOXIDANT ACID OF THE CLASS CONSISTING OF CITRIC, TARTARIC AND PHOSPHORIC ACIDS, AGITATING UNTIL SUBSTANTIALLY ALL OF THE ACID IS DISSOLVED, ADDING A GALLIC ACID ESTER OF THE CLASS CONSISTING OF METHYL, ETHYL, PROPYL, BUTYL, HEXYL, AND IS DISSOLVED, SAID SECOND PORTION OF EDIBLE OIL BEING MAINTAINED AT A TEMPERATURE SUFFICIENTLY HIGH TO DISSOLVE THE ADDED INGREDIENTS, BUT BELOW THE DECOMPOSITION POINT OF LECITHIN DURING SAID ADDITIONS AND AGITATIONS, AND RAPIDLY COOLING SAID SECOND SOLUTION; AND COMBINING THE TWO SOLUTIONS BY ADDING ONE TO THE OTHER AND AGITATING UNTIL SUBSTANTIALLY COMPLETE UNIFORMITY IS ACHIEVED, THE TEMPERATURE OF THE COMBINED SOLUTIONS BEING MAINTAINED BETWEEN ROOM TEMPERATURE AND ABOUT 128* F. DURING THIS AGITATION, THE AMOUNT OF FREE WATER PRESENT DURING THE FORMATION OF THE SECOND SOLUTION AND THE COMBINING OF THE FIRST AND SECOND SOLUTIONS BEING NOT NOT GREATER THAN ABOUT 5%.
References Cited (Backward Citations)
US2464927A
Cited
US2607745A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |