US3795584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing high purity maltose
Assignee: Nagase Viita Co Ltd
•
Filing: 1971-09-03
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Granted: 1974-03-05
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Expires: 1991-09-03
Abstract
Abstract ACCORDING TO THE PRESENT INVENTION, STARCH IS FIRST LIQUIFIED WITH ACID OR ENZYME, THE PH OF THE RESULTING LIQUIFIED STARCH IS ADJUSTED TO ABOUT 6, THE LIQUIFIED STARCH IS SACCHARIFIED BY THE USE OF BETA-AMYLASE AND ALPHA-1, 6GLUCO-SIDASE OR IN ADDITION ALPHA-AMYLASE DURING THE SACCHARIFYING STEP TO PRODUCE A MALTOSE WITH PURITY OF ABOUT 99%.
Inventors
- 👤 M Mitsuhashi
- 👤 M Hirao
- 👤 K Sugimoto
- 👤 K Masuda
- 👤 M Shiosaka
- 👤 M Yoshida
- 👤 Y Yokobayashi
- 👤 S Yuen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:38
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/22; C13; C13K; C13K7/00; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/874
Claims Analysis
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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) | 1977-03-04 | 1977-09-03 | 1978-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-04 | 1981-09-03 | 1982-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-04 | 1985-09-03 | 1986-03-05 | $7700.00 | Window Closed / Lapsed |