Automated synthesizing apparatus
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United States of America Patent
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May 31, 1994
Issued Date -
N/A
app pub date -
May 3, 1993
filing date -
Mar 11, 1988
priority date (Note) -
Expired
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Abstract
an automated synthesizing apparatus which comprises a raw material, reagent and solvent supply unit, a reaction unit, a purification unit provided with HPLC and CPC, and a freeze-drying unit for freeze-drying a purified product supplied from the purification unit. The raw material, reagent and solvent supply unit includes a plurality of reservoirs for containing raw material, reagents and solvents; volumetric tubes and gas-liquid boundary sensors for the quantification of the raw material, reagents and solvents from the reservoirs; flow-lines for supplying the raw material, reagent and solvent from the reservoirs towards subsequent steps; and solenoid valve assemblies disposed on the respective flow-lines for selectively closing and opening such respective flow-lines. The reaction unit includes a reaction flask device adapted to receive the raw material from the raw material, reagent and solvent supply unit; a separation funnel for extracting or washing a product which is transferred from the reaction flask device; a pH adjusting flask for adjusting acidity or basicity of the reaction liquid from the separation funnel; a plurality of reagent reservoirs disposed for adding a predetermined quantity of reagent to the reaction flask device, volumetric tubes and gas-liquid boundary sensors. All of the units, the sensors and the solenoid valve assemblies of each of the units are so connected with a computer that the sequence of operation thereof can be controlled thereby.
First Claim
Family
- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- TAKEDA CHEMICAL INDUSTRIES, LTD.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Hayashi, Nobuyoshi | Kawanishi, JP | 5 | 104 |
Sugawara, Tohru | Osaka, JP | 6 | 152 |
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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