US2534694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the inversion of sucrose
Assignee: Wyeth Holdings LLC
•
Filing: 1946-09-23
•
Granted: 1950-12-19
•
Expires: 1966-09-23
Abstract
No abstract record available.
Inventors
- 👤 William A Blann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:49
CPC Classifications
C; C13; C13K; C13K3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
A PROCESS WHICH COMPRISES TREATING AN AQUEOUS SOLUTION CONTAINING SUCROSE AND NOT MORE THAN 50 P. P. M. OF ANIONS CALCULATED AS ACIDS HAVING AN EQUIVALENT WEIGHT OF 50 AND SUBSTANTIALLY NO CATIONS WITH A HYDROGEN ZEOLITE AT A TEMPERATURE OF ABOUT 40-75*C., THE CONTACT TIME OF SAID SOLUTION WITH SAID ZEOLITE BEING SUFFICIENT TO INVERT AT LEAST A PART OF THE SUCROSE.
Claim 2
Dependent Claim
63 words
A PROCESS WHICH COMPRISES TREATING AN AQUEOUS SOLUTION CONTAINING SUCROSE AND NOT MORE THAN 50 P. P. M. OF ANIONS CALCULATED AS ACIDS HAVING AN EQUIVALENT WEIGHT OF 50 AND SUBSTANTIALLY NO CATIONS WITH A HYDROGEN ZEOLITE AT A TEMPERATURE OF ABOUT 40-75*C., THE CONTACT TIME OF SAID SOLUTION WITH SAID ZEOLITE BEING SUFFICIENT TO INVERT AT LEAST A PART OF THE SUCROSE.
References Cited (Backward Citations)
US1402615A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-18 | 1954-06-19 | 1954-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-18 | 1958-06-19 | 1958-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-18 | 1962-06-19 | 1962-12-19 | $7700.00 | Window Closed / Lapsed |