US2563835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Food antioxidants
Assignee: EIDP Inc
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Filing: 1949-04-01
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Granted: 1951-08-14
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Expires: 1969-04-01
Abstract
No abstract record available.
Inventors
- 👤 Myers F Gribbins
- 👤 Harry R Dittmar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:52
CPC Classifications
C; C11; C11D; C11D9/00; C11D9/04; C11D9/22; C11D9/32; A; A23; A23B; A23B2/00; A23B2/70; A23B2/725; A23B2/729; A23B2/767; C11B; C11B5/00; C11B5/0071; C11D9/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A MULTIPLE COMPONENT ANTIOXIDANT ADAPTABLE FOR INHIBITING THE RANCIDITY OF MATERIALS SELECTED FROM THE GROUP CONSISTING OF ANIMAL, VEGETABLE AND FISH OILS, FATS AND WAXES; VITAMINS, CEREALS, SOAPS AND SOAP PRODUCTS, ANIMAL FEEDS, COMESTIBLES, PHARMACEUTICALS, COMESTICS AND FORAGE MATERIALS SUSCEPTIBLE TO OXIDATIVE RANCIDIFICATION WHICH COMPRISES AN ANTIOXIDANT CONTAINING A BETA-SUBSTITUTED-MERCAPTOPROPIONIC ACID, HAVING THE STRUCTURAL FORMULA HOOCCH2CH2S-X IN WHICH THE MONOVALENT X IS A MEMBER OF THE GROUP CONSISTING OF HYDROCARBON, OXYGENATED-HYDROCARBON, SULFUR-HYDROCARBON, SULFUR AND OXYGENATED HYDROCARBON, AND SULFUR-NITROGEN HYDROCARBON GROUPS, CITRIC ACID AND AN ALKYLATED HYDROXYANISOLE, PRESENT ON A WEIGHT BASIS AND RESPECTIVELY WITHIN THESE PROPORTIONS 1:1:1 TO 10:1:1 TO 10:10:1.
Claim 2
Dependent Claim
101 words
A MULTIPLE COMPONENT ANTIOXIDANT ADAPTABLE FOR INHIBITING THE RANCIDITY OF MATERIALS SELECTED FROM THE GROUP CONSISTING OF ANIMAL, VEGETABLE AND FISH OILS, FATS AND WAXES; VITAMINS, CEREALS, SOAPS AND SOAP PRODUCTS, ANIMAL FEEDS, COMESTIBLES, PHARMACEUTICALS, COMESTICS AND FORAGE MATERIALS SUSCEPTIBLE TO OXIDATIVE RANCIDIFICATION WHICH COMPRISES AN ANTIOXIDANT CONTAINING A BETA-SUBSTITUTED-MERCAPTOPROPIONIC ACID, HAVING THE STRUCTURAL FORMULA HOOCCH2CH2S-X IN WHICH THE MONOVALENT X IS A MEMBER OF THE GROUP CONSISTING OF HYDROCARBON, OXYGENATED-HYDROCARBON, SULFUR-HYDROCARBON, SULFUR AND OXYGENATED HYDROCARBON, AND SULFUR-NITROGEN HYDROCARBON GROUPS, CITRIC ACID AND AN ALKYLATED HYDROXYANISOLE, PRESENT ON A WEIGHT BASIS AND RESPECTIVELY WITHIN THESE PROPORTIONS 1:1:1 TO 10:1:1 TO 10:10:1.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |