US3039935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of crystalline glucose
Assignee: Individual
•
Filing: 1960-02-25
•
Granted: 1962-06-19
•
Expires: 1980-02-25
Abstract
No abstract record available.
Inventors
- 👤 Delmar F Rentshler
- 👤 David P Langlois
- 👤 Roy F Larson
- 👤 Laurence H Alverson
- 👤 Liggett Robert Winston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:39
CPC Classifications
C; C13; C13K; C13K1/00; C13K1/10; Y; Y10; Y10S; Y10S435/00; Y10S435/813; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/917; Y10S435/918
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE METHOD OF PRODING CRYSTALLINE GLUCOSE WHICH COMPRISES PREPARING A LOW D.E. STARCH CONVERSION LIQUOR BY THE INTERACTION OF STARCH AND WATER IN THE PRESENCE OF A STARCH CONVERSION CATALYST SELECTED FROM THE GROUP CONSISTING OF ALPHA AMYLASE AND STRONG MINERAL ACIDS, FURTHER HYDROLYZING SAID LOW D.E. STARCH CONVERSION LIQUOR WITH AMYLOGLUCOSIDASE UNTIL THE D. OF THE LIQUOR IS NOT LESS THAN 89, CONCENTRATING SAID FURTHER HYDROLYZED LIQUOR TO A PERCENT DRY SUBSTANCE WHICH VARIES INVERSELY WITH THE D. OF THE LIQUOR ACCORDING TO THE TABLE
Claim 2
Independent Claim
86 words
THE METHOD OF PRODING CRYSTALLINE GLUCOSE WHICH COMPRISES PREPARING A LOW D.E. STARCH CONVERSION LIQUOR BY THE INTERACTION OF STARCH AND WATER IN THE PRESENCE OF A STARCH CONVERSION CATALYST SELECTED FROM THE GROUP CONSISTING OF ALPHA AMYLASE AND STRONG MINERAL ACIDS, FURTHER HYDROLYZING SAID LOW D.E. STARCH CONVERSION LIQUOR WITH AMYLOGLUCOSIDASE UNTIL THE D. OF THE LIQUOR IS NOT LESS THAN 89, CONCENTRATING SAID FURTHER HYDROLYZED LIQUOR TO A PERCENT DRY SUBSTANCE WHICH VARIES INVERSELY WITH THE D. OF THE LIQUOR ACCORDING TO THE TABLE
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-18 | 1965-12-18 | 1966-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-18 | 1969-12-18 | 1970-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-18 | 1973-12-18 | 1974-06-19 | $7700.00 | Window Closed / Lapsed |