US3929503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of free-flowing particles of glucose, fructose or the mixture thereof
Assignee: Daiichi Pharmaceutical Co Ltd
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Filing: 1974-05-31
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Granted: 1975-12-30
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Expires: 1994-05-31
Abstract
Abstract Free-flowing particles of glucose, fructose or mixtures thereof are produced by kneading an anhydrous powder of the sugar with a 40-90% by weight solution of said sugar to give a kneaded mixture having a moisture content of less than 7%, shaping the resultant mixture into the form of granules, pellets or the like and drying at a temperature below 70* C.
Inventors
- 👤 Toshio Yamauchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:23
CPC Classifications
C; C13; C13K; C13K1/00; C13K1/10
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
112 words
A METHOD FOR PREPARING ANHYDROUS, FREE-FLOWING SOLID PARTICLES OF A SUGAR SELECTED FROM THE GROUP CONSISING OF GLUCOSE, FRUCTOSE AND ADMIXTURES THEREOF, WHICH COMPRISES: A. KNEADING AN ANHYDROUS POWDER OF SAID SUGAR WITH A 40-90% BY WEIGHT SOLUTION OF SAID SUGAR IN AN AMOUNT OF 5-65% BY WEIGHT OF SAID POWDER WITHIN THE AREA SHOWN BETWEEN POINTS A, B, C AND D OF THE ATTACHED DRAWING WITHOUT SUBJECTING SAID SOLUTION TO A CRYSTALLIZATION STEP TO FORM A KNEADED MIXTURE HAVING A MOISTURE CONTENT OF LESS THAN 7% BY WEIGHT; B. SHAPING SAID KNEADED MIXTURE INTO PARTICLES; AND C. DRYING THE SHAPED PARTICLES AT A TEMPERATURE LOWER THAN 70*C. TO FORM ANHYDROUS PARTICLES.
Claim 2
Independent Claim
112 words
A METHOD FOR PREPARING ANHYDROUS, FREE-FLOWING SOLID PARTICLES OF A SUGAR SELECTED FROM THE GROUP CONSISING OF GLUCOSE, FRUCTOSE AND ADMIXTURES THEREOF, WHICH COMPRISES: A. KNEADING AN ANHYDROUS POWDER OF SAID SUGAR WITH A 40-90% BY WEIGHT SOLUTION OF SAID SUGAR IN AN AMOUNT OF 5-65% BY WEIGHT OF SAID POWDER WITHIN THE AREA SHOWN BETWEEN POINTS A, B, C AND D OF THE ATTACHED DRAWING WITHOUT SUBJECTING SAID SOLUTION TO A CRYSTALLIZATION STEP TO FORM A KNEADED MIXTURE HAVING A MOISTURE CONTENT OF LESS THAN 7% BY WEIGHT; B. SHAPING SAID KNEADED MIXTURE INTO PARTICLES; AND C. DRYING THE SHAPED PARTICLES AT A TEMPERATURE LOWER THAN 70*C. TO FORM ANHYDROUS PARTICLES.
Claim 3
Dependent Claim
15 words
A method according to claim 1, wherein said particles are in the form of granules.
Claim 4
Dependent Claim
15 words
A method according to claim 1, wherein said particles are in the form of pellets.
Claim 5
Dependent Claim
11 words
A method according to claim 1, wherein said sugar is fructose.
Claim 6
Dependent Claim
12 words
A method according to claim 1, wherein said sugar is invert sugar.
Claim 7
Dependent Claim
26 words
A method according to claim 1 wherein said sugar solution is a massecuite wherein 30-50% of the total sugar is present in the form of crystals.
Claim 8
Dependent Claim
19 words
A method according to claim 1 wherein said sugar solution is green syrup having a sugar concentration of 80-90%.
Claim 9
Dependent Claim
15 words
A method according to claim 1, wherein said moisture content is from 1.5 to 4%.
Claim 10
Dependent Claim
19 words
A method according to claim 8, wherein said anhydrous sugar powder has a particle size from 0.005 to 0.3mm.
Claim 11
Dependent Claim
19 words
A method according to claim 1, wherein said anhydrous sugar powder has a particle size from 0.005 to 0.3mm.
Claim 12
Dependent Claim
21 words
A method according to claim 10, wherein said anhydrous sugar powder is made from the finished product of a previous cycle.
Claim 13
Dependent Claim
12 words
A method according to claim 1, wherein said sugar is isomerized glucose.
Claim 14
Dependent Claim
16 words
A method according to claim 12 wherein said sugar solution has a sugar concentration of 70-90%.
References Cited (Backward Citations)
US3513023A
Cited
US3816175A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-29 | 1979-06-30 | 1979-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-29 | 1983-06-30 | 1983-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-29 | 1987-06-30 | 1987-12-30 | $7700.00 | Window Closed / Lapsed |