US3074855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing naramycin a and its isomer
Assignee: Tanabe Pharma Corp
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Filing: 1961-06-13
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Granted: 1963-01-22
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Expires: 1981-06-13
Abstract
No abstract record available.
Inventors
- 👤 Okuda Tomoharu
- 👤 Egawa Yoshiyuki
- 👤 Suzuki Makota
- 👤 Ashino Kokichi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:08
CPC Classifications
C; C07; C07D; C07D471/00; C07D471/02; C07D471/04; C07D498/00; C07D498/12; C07D498/18; C12; C12N; C12N1/00; C12N1/20; C12N1/205; C12P; C12P17/00; C12P17/02; C12P17/08; C12P17/18; C12P17/188; C12R; C12R2001/00; C12R2001/01; C12R2001/465; Y; Y10; Y10S; Y10S435/00; Y10S435/803; Y10S435/8215; Y10S435/822; Y10S435/886
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
9 words
APPARATUS FOR SEPARATING WAX FROM A MIXTURE OF WAX
Claim 2
Dependent Claim
9 words
APPARATUS FOR SEPARATING WAX FROM A MIXTURE OF WAX
Claim 3
Dependent Claim
199 words
A PROCESS FOR PRODUCING CYCLOHEXIMIDE AND ITS ISOMER SIMULTANEOUSLY WHICH COMPRISES CULTIVATING A STRAIN AND OIL, WHICH COMPRISES A TOWER OPEN AT THE BOTTOM AND HAVING A GAS OUTLET IN ITS UPPER PART, NOZZLE MEANS LOCATED OF STREPTOMYCES NARAENSIS IN AN AQUEOUS NUTRIENT MEDIUM UNDER AEROBIC CONDITIONS FOR A SUFFICIENT LENGTH OF TIME WIITHIN THE UPPER PART OF THE TOWER FOR SPRAYING THE WAX-OIL MIXTURE DOWNWARDLY INTO A GASEOUS MEDIUM WITHIN THE TO IMPART ANTIMICROBIAL ACTIVITY TO SAID MEDIUM, AND RECOVERING A MIXTURE OF SAID CYCLOHEXIMIDE (NARAMYCIN A) TOWER, A DOWNWARDLY NAROWING FUNNEL-SHAPED MEMBER WHICH IS LOCATED BENEATH THE LOWER OPENING OF THE TOWER AND ITS ISOMER (NARAMYCIN B) FROM SAID MEDIUM. TO COLLECT MATERIAL DEPOSITED THEREIN AND HAS AN OUTLET IN ITS BASE FOR THE DISCHARGE OF DEPOSITED MATERIAL, THE SAID FUNNEL-SHAPED MEMBER BEING FREE TO MOVE RELATIVELY TO THE TOWER AND SPACED AT ITS UPPER PART FROM THE LOWER EXTREMITY OF THE WALL OF THE TOWER TO FORM AN ANNULAR INLET FOR INTRODUCING A GASEOUS MEDIUM INTO THE TOWER THROUGH THE LOWER OPENING THEREOF IN COUNTERCURRENT TO THE FINELY DIVIDED PARTICLES OF THE SPRAYED WAX-OIL MIXTURE, AND MEANS FOR IMPARTING A SHAKING MOVEMENT TO THE FUNNEL-SHAPED MEMBER.
Claim 4
Dependent Claim
199 words
A PROCESS FOR PRODUCING CYCLOHEXIMIDE AND ITS ISOMER SIMULTANEOUSLY WHICH COMPRISES CULTIVATING A STRAIN AND OIL, WHICH COMPRISES A TOWER OPEN AT THE BOTTOM AND HAVING A GAS OUTLET IN ITS UPPER PART, NOZZLE MEANS LOCATED OF STREPTOMYCES NARAENSIS IN AN AQUEOUS NUTRIENT MEDIUM UNDER AEROBIC CONDITIONS FOR A SUFFICIENT LENGTH OF TIME WIITHIN THE UPPER PART OF THE TOWER FOR SPRAYING THE WAX-OIL MIXTURE DOWNWARDLY INTO A GASEOUS MEDIUM WITHIN THE TO IMPART ANTIMICROBIAL ACTIVITY TO SAID MEDIUM, AND RECOVERING A MIXTURE OF SAID CYCLOHEXIMIDE (NARAMYCIN A) TOWER, A DOWNWARDLY NAROWING FUNNEL-SHAPED MEMBER WHICH IS LOCATED BENEATH THE LOWER OPENING OF THE TOWER AND ITS ISOMER (NARAMYCIN B) FROM SAID MEDIUM. TO COLLECT MATERIAL DEPOSITED THEREIN AND HAS AN OUTLET IN ITS BASE FOR THE DISCHARGE OF DEPOSITED MATERIAL, THE SAID FUNNEL-SHAPED MEMBER BEING FREE TO MOVE RELATIVELY TO THE TOWER AND SPACED AT ITS UPPER PART FROM THE LOWER EXTREMITY OF THE WALL OF THE TOWER TO FORM AN ANNULAR INLET FOR INTRODUCING A GASEOUS MEDIUM INTO THE TOWER THROUGH THE LOWER OPENING THEREOF IN COUNTERCURRENT TO THE FINELY DIVIDED PARTICLES OF THE SPRAYED WAX-OIL MIXTURE, AND MEANS FOR IMPARTING A SHAKING MOVEMENT TO THE FUNNEL-SHAPED MEMBER.
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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |