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| Number | Title | Issue Date |
| 8171652 | Penetrable and resealable lyophilization method Device and method for lyophilizing a substance within the device and storing therein the lyophilized substance. The device defines a chamber for receiving therein the substance to be lyophilized, a penetrable and resealable portion of the device is penetrable or pie... | 05/08/2012 |
| 7467482 | Method for lyophilizing an active agent A process for lyophilizing a solution of an active agent in a container is provided. Solution of active agent is deposited into a container, the container is covered with a covering plate and placed inside a lyophilizing apparatus. Lyophilization can be conducted to... | 12/23/2008 |
| 7422726 | Integrated container for lyophilization, rehydration and processing of biological materials An apparatus to lyophilize, store, transport, rehydrate, and process aqueous biological materials in a container which maintains sterility of its contents, allows container shrinkage after lyophilization, and optimally permits filtration or dialysis of the contents ... | 09/09/2008 |
| 7370436 | Dual apparatus and process for quick freezing and/or freeze drying produce An apparatus capable of performing consecutively, independently and/or simultaneously the processes of quick freezing and/or freeze drying of produce. The apparatus is characterized by a central vacuum system operating over one or more independent vacuum chambers ( | 05/13/2008 |
| 7282460 | Transfer chamber for cluster system A transfer chamber for a cluster system includes a first body, a second body attached at one side of the first body, and a cover combined with an upper portion of the first body. The transfer chamber further includes a third body at another side of the first body, w... | 10/16/2007 |
| 7232878 | Polymer treatment for separating volatile material A process for the separation of volatile material from particulate polymer which has been substantially freed from unreacted monomer in an earlier separation step, comprising (a) feeding the particulate polymer to a purge vessel, optionally causing it to move throug... | 06/19/2007 |
| 7153572 | Porous beads and method of production thereof The present invention relates to porous beads and to methods of production thereof, in particular to a method of producing hydrophilic polymeric beads by freeze-drying a droplet containing a polymeric material in a continuous phase of an oil-in-water (O/W) emulsion.... | 12/26/2006 |
| 6971187 | Automated process control using manometric temperature measurement A method by which a freeze-drying process may be developed from a single freeze-drying experiment. The method uses in-process manometric temperature measurement (MTM) data to optimize the primary drying conditions. Manometric temperature measurement is a procedure b... | 12/06/2005 |
| 6931754 | Freeze-drying apparatus A drying unit for removing solvent from moist material, and a method for drying moist material with the drying unit. The unit comprises at least one drying chamber (23) having at least one stand plate (2) for holding vessels (3), which are fille... | 08/23/2005 |
| 6907679 | Method for lyophilizing an active agent A process for lyophilizing a solution of an active agent in a container is provided. Solution of active agent is deposited into a container, the container is covered with a covering plate and placed inside a lyophilizing apparatus. Lyophilization can be conducted to... | 06/21/2005 |
| 6722054 | Process and delivery container for lyophilizing active agent A process for lyophilizing a solution of an active agent in a delivery container is provided. Solution of active agent is deposited into a delivery container, the container is covered with a covering plate and placed inside a lyophilizing apparatus. Lyophilization i... | 04/20/2004 |
| 6684524 | Lyopohilization method The invention relates to a lyophilization method which comprises the following steps: reducing the pressure in the drying chamber until the onset of a visible crystallization of the solvent at a temperature in the drying chamber which is above the solidif... | 02/03/2004 |
| 6643950 | System and method for measuring freeze dried cake resistance A cake resistance measuring system and method are used to measure the cake resistance of a freeze dried sample during or after processing, with the results of the measurement being used to improve that processing and/or subsequent freeze drying processes ... | 11/11/2003 |
| 6627597 | Method for making a nanoporous granular material and a detergent composition A process for producing a starting material in a granular form and in a nanoporous anhydrous state, a process for improving the water-solubility and controlled release characteristics of a detergent material, and a detergent composition are disclosed. In ... | 09/30/2003 |
| 6564471 | Method and apparatus for freeze-drying A method and an apparatus for effecting freeze-drying specimens containing solvents or condensing solvents having a shallow pan treatment chamber with little or no obstructions, holes or orifices. The treatment is effected by cooling the base of the chamb... | 05/20/2003 |
| 6470592 | Method and apparatus for freeze-drying of foods, medicaments, etc. A process is provided for freeze-drying medicaments and foodstuffs comprising dissolving the foodstuffs or medicaments in a solvent, introducing the solution formed into a shell comprising a desiccating chamber of a shell-tube freeze-drying device to caus... | 10/29/2002 |
| 6226887 | Freeze drying methods employing vapor flow monitoring and/or vacuum pressure control Freeze drying apparatus and associated lyophilization procedures are provided employing vapor flow detection and/or vacuum control for monitoring and control of the lyophilization process. The vapor flow detector, such as a windmill sensor, is disposed to... | 05/08/2001 |
| 6122836 | Freeze drying apparatus and method employing vapor flow monitoring and/or vacuum pressure control Freeze drying apparatus and associated lyophilization procedures are provided employing vapor flow detection and/or vacuum control for monitoring and control of the lyophilization process. The vapor flow detector, such as a windmill sensor, is disposed to... | 09/26/2000 |
| 5911917 | Preserved cellular structures A process for preserving cellular structures includes the steps of pre-treating the structures with an aqueous polymeric water solution, drying the structures and then post-treating the structures with an organic solvent, non-water-base solution. Once the... | 06/15/1999 |
| 5743023 | Method and apparatus for controlling freeze drying process Control of temperature of the shelves in a freeze dryer compartment is achieved by circulating a cooled heat transfer fluid from a heat exchanger through a vacuum condenser independently of circulating the cooled heat transfer fluid either directly throug... | 04/28/1998 |
| 5650192 | Method for manufacturing buccal delivery device The invention relates to a muco-adherent, soluble device for administering active ingredients, a method of using said device, and an improved method of manufacturing said device using a continuous, enclosed mixing device capable of operating under pressur... | 07/22/1997 |
| 5325602 | Collapsible corrugated box A carton is provided for holding wet books and like materials during transport to and processing at a freezing and freeze drying or vacuum drying facility. The carton is fabricated as a laminated corrugated carton from a high density polymer that may be s... | 07/05/1994 |
| 5031336 | Lyophilization of bulk pharmaceuticals A process for lyophilizing bulk solutions of products in which liquid product is poured into bottomless trays, frozen and dried.... | 07/16/1991 |
| 4885035 | Method of crystallization of honey Method for crystallization of a water and honey mixture by means of lyophilizing apparatus, having a honey-water mixture container, including the steps of preparing the mixture of honey and water; placing the mixture in the container; vibrating it in the ... | 12/05/1989 |
| 4823478 | Freeze dryer for unattended operation The freeze dryer device of the invention furnishes automatic operational, power outage and defrost control providing for an operator to perform other productive activities during operation of the freeze drying device. Upon initiation by the user, the oper... | 04/25/1989 |
| 4818542 | Porous microspheres for drug delivery and methods for making same Controlled release drug delivery systems comprised of spherical microporous polymeric network of interconnecting channels containing pore incorporated drugs or other agents wherein the drugs or agents are confined within the pore channel are described. Al... | 04/04/1989 |
| 4806343 | Cryogenic protectant for proteins A method of protecting soluble proteins such that their biological activity is preserved after freezing by exposing the protein to a carbohydrate and transition metal ion prior to freezing. The protected protein can then be thawed or lyophilized and rehyd... | 02/21/1989 |
| 4786516 | Method of drying meat A method of drying raw meat is disclosed wherein the meat is predried by a deep frying treatment under a vacuum and is then vacuum freeze-dried.... | 11/22/1988 |
| 4754597 | Solid shaped articles Solid shaped articles, particularly rapidly dissolving pharmaceutical dosage forms, carrying predetermined unit quantities of chemicals are prepared by a novel process involving the addition of the predetermined amount of chemical in a solvent to a placeb... | 07/05/1988 |
| 4734116 | Method and apparatus for generating an ice crystal suspension The apparatus employs a compressor for compressing a flow of water vapor with an ethanol additive and a condensation chamber in which the compressed water vapor may be condensed to form ice crystals. A coolant circuit in provided in the condensation chamb... | 03/29/1988 |
| 4615963 | Electrophotographic photosensitive member and preparation of photoconductive composition therefor An electrophotographic photosensitive member is provided which comprises a photosensitive layer containing a photoconductive pigment or dye dried according to freezing vacuum drying dispersed in a binder resin.... | 10/07/1986 |
| 4597188 | Freeze dry process and structure A vacuum-chamber, batch-process, freeze dryer system, of the type usable for pharmaceutical, diagnostic and chemical processing applications, incorporates extensive regulation of a carrier gas injected in minute quantities into an evacuated vacuum chamber... | 07/01/1986 |
| 4389794 | Vacuum chamber and method of creating a vacuum The vacuum chamber includes an airtight generally cylindrical wall and a pair of end members. Vacuum pumps in the chamber evacuate the chamber. The chamber is rotated along the longitudinal axis whereby the centrifugal force of the rotating cylindrical wa... | 06/28/1983 |
| 4312134 | Method of freeze-drying flower arrangements A method for freeze-drying flower arrangements whereby freshly cut flowers and foliage may be arranged and placed into a glass container with the arrangement subsequently dehydrated by a freeze-drying process. This process rapidly sets the arrangement suc... | 01/26/1982 |
| 4146971 | Method of preparing a rapidly dissolving powder of sterile crystalline cefazolin sodium for parenteral administration Sterile, essentially crystalline cefazolin sodium for parenteral administration is prepared by a freeze-drying process wherein a C1 -C3 alcohol-water solution of cefazolin sodium containing about 10 percent by volume of the C1 | 04/03/1979 |
| 4134214 | Freeze-drying process for the preparation of meningococcus vaccine without degradation of potency The purified Group A polysaccharide antigen isolated from N. meningitidis for vaccination against this type of bacterial meningitidis is prepared from an isotonic ratio of aqueous sodium chloride solution freeze-dried at temperatures of from -20° C. to -... | 01/16/1979 |
| 4115928 | Freeze-dry process and product An improvement in freeze-drying of skin tissue for use in treating wounds and diseased areas of the body wherein un-frozen skin is partially dried and frozen by drawing a vacuum across the skin before commencing the freeze-dry process, resulting in a nove... | 09/26/1978 |
| 4104807 | Machine for the continuous preparation and packaging of freeze-dried materials An apparatus for the continuous preparation and packing of freeze-dried material, having a horizontally movable web and successively disposed forming, freezing, freeze-drying, heat-sealing, punching and transport devices. The freeze-drying devices consist... | 08/08/1978 |
| 4104805 | Sequential drying system with isolated closed drying paths The sequential drying system comprises a plurality of drying stations each having an upper section arranged in sequence in a tunnel. Material holders which are movable are provided for holding the material to be dried. Moving means move the material holde... | 08/08/1978 |
| 4035924 | Freeze-drying of solid, liquid or paste-like products In the lyophilization of solid, liquid or pasty products the product to be lyophilized is placed in an open secondary container of flexible material which is capable of being subsequently closed and lyophilized in a lyophilization apparatus with the conta... | 07/19/1977 |
