US2508477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Enriched foodstuffs
Assignee: Merck and Co Inc
•
Filing: 1946-10-16
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Granted: 1950-05-23
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Expires: 1966-10-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Leonard Stievater
- 👤 Stecher Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:32
CPC Classifications
A; A23; A23L; A23L33/00; A23L33/10; A23L33/16; A23L33/15; A23L7/00; A23L7/10; A23L7/101
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
THE PROCESS OF ENRICHING A GRANULAR FOODSTUFF WITH RIBOFLAVIN, THIAMIN, NIACIN AND AN IRON SALT WHICH COMPRISES APPLYING TO THE GRANULES A FLUID MIXTURE OF RIBOFLAVIN, ABIETIC ACID AND ACETONE AND EVAPORATING THE ACETONE TO FORM A COATING ON THE GRANULES CONSISTING OF RIBOFLAVIN SUSPENDED IN ABIETIC ACID, THEN APPLYING TO THE GRANULES A FLUID MIXTURE OF THIAMIN, NIACIN, AN IRON SALT, ZEIN, ACETONE AND WATER AND EVAPORATING THE WATER AND ACETONE TO FORM A SECOND COATING ON THE GRANULES CONSISTING OF THIAMIN, NIACIN AND AN IRON SALT, SUSPENDED IN ZEIN, AND FINALLY APPLYING TO THE GRANULES A FLUID MIXTURE OF ABIETIC ACID AND ACETONE AND EVAPORATING THE ACETONE TO FORM AN OUTER COATING OF ABIETIC ACID ON THE GRANULES.
Claim 2
Dependent Claim
120 words
THE PROCESS OF ENRICHING A GRANULAR FOODSTUFF WITH RIBOFLAVIN, THIAMIN, NIACIN AND AN IRON SALT WHICH COMPRISES APPLYING TO THE GRANULES A FLUID MIXTURE OF RIBOFLAVIN, ABIETIC ACID AND ACETONE AND EVAPORATING THE ACETONE TO FORM A COATING ON THE GRANULES CONSISTING OF RIBOFLAVIN SUSPENDED IN ABIETIC ACID, THEN APPLYING TO THE GRANULES A FLUID MIXTURE OF THIAMIN, NIACIN, AN IRON SALT, ZEIN, ACETONE AND WATER AND EVAPORATING THE WATER AND ACETONE TO FORM A SECOND COATING ON THE GRANULES CONSISTING OF THIAMIN, NIACIN AND AN IRON SALT, SUSPENDED IN ZEIN, AND FINALLY APPLYING TO THE GRANULES A FLUID MIXTURE OF ABIETIC ACID AND ACETONE AND EVAPORATING THE ACETONE TO FORM AN OUTER COATING OF ABIETIC ACID ON THE GRANULES.
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) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |