Patent US4187266A successfully refreshed from Google Patents.
US3206375A
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Method for preparing 5-ketofructose by fermentation
Assignee: KH Neochem Co Ltd
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Filing: 1963-10-11
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Granted: 1965-09-14
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Expires: 1983-10-11
Abstract
No abstract record available.
Inventors
- 👤 Kinoshita Shukuo
- 👤 Terada Osamu
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:49
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/02; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/823
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS FOR PREPARING 5-KETOFRUCTOSE WHICH COMPRISES CULTURING A 5-KETOFRUCTOSE PRODUCING STRAIN OF MICROOGANISM SELECTED FROM THE SPECIES CONSISTING OF ACETOBACTER SUBOXYDANS, ACETOBACTER MELANOGENUS, ACETOBACTER ROSEUS AND ACETOBACTER OXYDANS IN A FRUCTOSECONTAINING CULTURE MEDIUM, ACCUMULATING 5-KETOFRUCTOSE IN THE MEDIUM AND REMOVING THE 5-KETOFRUCTOSE THUS ACCUMULATED.
Claim 2
Dependent Claim
45 words
A PROCESS FOR PREPARING 5-KETOFRUCTOSE WHICH COMPRISES CULTURING A 5-KETOFRUCTOSE PRODUCING STRAIN OF MICROOGANISM SELECTED FROM THE SPECIES CONSISTING OF ACETOBACTER SUBOXYDANS, ACETOBACTER MELANOGENUS, ACETOBACTER ROSEUS AND ACETOBACTER OXYDANS IN A FRUCTOSECONTAINING CULTURE MEDIUM, ACCUMULATING 5-KETOFRUCTOSE IN THE MEDIUM AND REMOVING THE 5-KETOFRUCTOSE THUS ACCUMULATED.
References Cited (Backward Citations)
US2753279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |