Patent US4618849A successfully refreshed from Google Patents.
US4115147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing nutritive sugar from cane juice
Assignee: Mitsui DM Sugar Co Ltd
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Filing: 1977-03-18
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Granted: 1978-09-19
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Expires: 1997-03-18
Abstract
Abstract A process of producing a nutritive sugar as being non-centrifugal sugar from cane juice by treating said cane juice by ultrafiltration means, then concentrating by evaporation the permeate obtained thereby and furthermore the concentrate obtained at the same time in the said filtration step is further used for the conventional production of cane sugar.
Inventors
- 👤 Junichi Shimizu
- 👤 Kyosuke Hashizume
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 01:55
CPC Classifications
C; C13; C13B; C13B30/00; C13B20/00; C13B20/16; C13B20/165
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
59 words
A process for producing nutritive sugar from cane juice which comprises treating said cane juice with an ultrafiltration means, concentrating by evaporation the obtained permeate to provide nutritive sugar as being non-centrifugal sugar and also utilizing concentrate obtained simultaneously at the same filtration treatment for the production of cane sugar according to a conventional process for producing cane sugar.
Claim 2
Dependent Claim
59 words
A process for producing nutritive sugar from cane juice which comprises treating said cane juice with an ultrafiltration means, concentrating by evaporation the obtained permeate to provide nutritive sugar as being non-centrifugal sugar and also utilizing concentrate obtained simultaneously at the same filtration treatment for the production of cane sugar according to a conventional process for producing cane sugar.
Claim 3
Dependent Claim
31 words
The process for producing nutritive sugar as claimed in claim 1, wherein ultrafiltration apparatus is equipped with an ultrafilter-membrane in a range of molecular weight cut of from 10,000 to 30,000.
Claim 4
Dependent Claim
31 words
A process for producing a nutritive brown sugar from cane juice, which comprises; processing the juice through an ultrafiltration means; and evaporating the permeate to obtain a non-centrifugal, nutritive brown sugar.
Claim 5
Dependent Claim
31 words
A process for producing a nutritive brown sugar from cane juice, which comprises; processing the juice through an ultrafiltration means; and evaporating the permeate to obtain a non-centrifugal, nutritive brown sugar.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-09-18 | 1982-03-20 | 1982-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-18 | 1986-03-20 | 1986-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-18 | 1990-03-20 | 1990-09-19 | $7700.00 | Window Closed / Lapsed |