US2602082A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aldehyde reaction products
Assignee: Individual
•
Filing: 1950-05-01
•
Granted: 1952-07-01
•
Expires: 1970-05-01
Abstract
No abstract record available.
Inventors
- 👤 William L Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:43
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/0006; C08B37/0009; C08B37/0021; C12; C12P; C12P19/00; C12P19/04; C12P19/08; Y; Y10; Y10S; Y10S516/00; Y10S516/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
THE METHOD COMPRISING FERMENTING AN AQUEOUS POLYSACCHARIDE SUBSTRATE IN THE PRESENCE OF SPECIES LEUCONOSTOC MESENTEROIDES (CIENKOWSKI) VAN TIEGHEM, AND PRODUCING THEREFROM AN AQUEOUS SUSPENSION OF GUM DEXTRAN, TREATING SAID AQUEOUS SUSPENSION WITH A SATURATED WATER-SOLUBLE ALIPHATIC ALDEHYDE, AND RECOVERING THE RESULTING GUM FROMTHE SO-TREATED MASS.
Claim 2
Independent Claim
45 words
THE METHOD COMPRISING FERMENTING AN AQUEOUS POLYSACCHARIDE SUBSTRATE IN THE PRESENCE OF SPECIES LEUCONOSTOC MESENTEROIDES (CIENKOWSKI) VAN TIEGHEM, AND PRODUCING THEREFROM AN AQUEOUS SUSPENSION OF GUM DEXTRAN, TREATING SAID AQUEOUS SUSPENSION WITH A SATURATED WATER-SOLUBLE ALIPHATIC ALDEHYDE, AND RECOVERING THE RESULTING GUM FROMTHE SO-TREATED MASS.
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) | 1955-07-01 | 1955-12-31 | 1956-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-01 | 1959-12-31 | 1960-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-01 | 1963-12-31 | 1964-07-01 | $7700.00 | Window Closed / Lapsed |