US2585580A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing ascorbic acid with thio-sugars
Assignee: Individual
•
Filing: 1948-06-10
•
Granted: 1952-02-12
•
Expires: 1968-06-10
Abstract
No abstract record available.
Inventors
- 👤 Opplt Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:12
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/365; A61K31/375
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A METHOD OF STABILIZING THE ASCORBIC ACID IN NATURALLY OCCURRING AND ARTIFICALLY PREPARED PRODUCTS COMPRISING THE STEP OF ADDING TO SUCH PRODUCTS AS STABILIZERS COMPOSITE THIO-SUGARS COMPOSED OF TWO MOLECULES OF THIO-GLUCOSE CONTAINING THE THEIR MOLECULE TWO SULFUR ATOMS IN SUBSTITUTION FOR THE REACTIVE OXYGEN ATOMS IN THE CARBONYL GROUPS IN AN AMOUNT OF AT LEAST .4% OF THE AMOUNT OF ASCORBIC ACID PRESENT.
Claim 2
Independent Claim
64 words
A METHOD OF STABILIZING THE ASCORBIC ACID IN NATURALLY OCCURRING AND ARTIFICALLY PREPARED PRODUCTS COMPRISING THE STEP OF ADDING TO SUCH PRODUCTS AS STABILIZERS COMPOSITE THIO-SUGARS COMPOSED OF TWO MOLECULES OF THIO-GLUCOSE CONTAINING THE THEIR MOLECULE TWO SULFUR ATOMS IN SUBSTITUTION FOR THE REACTIVE OXYGEN ATOMS IN THE CARBONYL GROUPS IN AN AMOUNT OF AT LEAST .4% OF THE AMOUNT OF ASCORBIC ACID PRESENT.
References Cited (Backward Citations)
US2427692A
Cited
US2395069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |