Freeze drying
First Claim
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1. FREEZE DRYING APPARATUS COMPRISING MEANS FOR FREEZING ON TO HEAT TRANSFERRING MEANS MATERIAL TO BE FREEZE DRIED, MEANS FOR TRANSFERRING HEAT TO SAID MATERIAL AFTER IT HAS BEEN FROZEN ON THE SAID HEAT TRANSFERRING MEANS, AN EVACUABLE CHAMBER AND MEANS IN SAID CHAMBER FOR SUPPORTING SAID HEAT TRANSFERRING MEANS, SAID HEAT TRANSFERRING MEANS CONSISTING OF A SUBSTANTIALLY FLAT SHEET OF MATERIAL FORMED WITH A PLURALITY OF APERTURES THROUGH WHICH FROZEN MATERIAL DISPOSED ON BOTH SIDES OF THE SHEET HAS ACCESS FROM ONE SIDE OF THE FLAT SHEET TO THE OTHER SIDE OIF SAID SHEET TO TRANSFIX SAID MATERIAL TO SAID SHEET THROUGH SAID APERTURES ON FREEZING AND MEANS FORMING PART OF SAID SHEET FOR EFFECTING THE SUPPLY OF HEAT TO SAID SHEET.
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1 Claim
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1. FREEZE DRYING APPARATUS COMPRISING MEANS FOR FREEZING ON TO HEAT TRANSFERRING MEANS MATERIAL TO BE FREEZE DRIED, MEANS FOR TRANSFERRING HEAT TO SAID MATERIAL AFTER IT HAS BEEN FROZEN ON THE SAID HEAT TRANSFERRING MEANS, AN EVACUABLE CHAMBER AND MEANS IN SAID CHAMBER FOR SUPPORTING SAID HEAT TRANSFERRING MEANS, SAID HEAT TRANSFERRING MEANS CONSISTING OF A SUBSTANTIALLY FLAT SHEET OF MATERIAL FORMED WITH A PLURALITY OF APERTURES THROUGH WHICH FROZEN MATERIAL DISPOSED ON BOTH SIDES OF THE SHEET HAS ACCESS FROM ONE SIDE OF THE FLAT SHEET TO THE OTHER SIDE OIF SAID SHEET TO TRANSFIX SAID MATERIAL TO SAID SHEET THROUGH SAID APERTURES ON FREEZING AND MEANS FORMING PART OF SAID SHEET FOR EFFECTING THE SUPPLY OF HEAT TO SAID SHEET.
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Current AssigneePaolo Della Porta
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Original AssigneePaolo Della Porta
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InventorsDELLA PORTA PAOLO
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Application NumberUS04/331,652Time in Patent Office1,083 DaysField of SearchUS Class Current34/92CPC Class CodesF26B 5/06 the process involving freezing
