GB1409986A - Freeze-drying process and apparatus - Google Patents
Freeze-drying process and apparatusInfo
- Publication number
- GB1409986A GB1409986A GB384274A GB384274A GB1409986A GB 1409986 A GB1409986 A GB 1409986A GB 384274 A GB384274 A GB 384274A GB 384274 A GB384274 A GB 384274A GB 1409986 A GB1409986 A GB 1409986A
- Authority
- GB
- United Kingdom
- Prior art keywords
- pressure
- freeze
- controller
- drying
- chamber
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B5/00—Drying solid materials or objects by processes not involving the application of heat
- F26B5/04—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum
- F26B5/06—Drying solid materials or objects by processes not involving the application of heat by evaporation or sublimation of moisture under reduced pressure, e.g. in a vacuum the process involving freezing
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH159173A CH561887A5 (US07922777-20110412-C00004.png) | 1973-02-05 | 1973-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1409986A true GB1409986A (en) | 1975-10-15 |
Family
ID=4213994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB384274A Expired GB1409986A (en) | 1973-02-05 | 1974-01-28 | Freeze-drying process and apparatus |
Country Status (20)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK159488A (da) * | 1988-03-23 | 1989-09-24 | Danske Sukkerfab | Fremgangsmaade til kontinuerlig toerring eller inddampning af et materiale og et apparat til udoevelse af fremgangsmaaden |
| WO2011071676A1 (en) | 2009-12-11 | 2011-06-16 | Wyssmont Company Inc. | Apparatus and method for continuous lyophilization |
| EP3874214A1 (en) * | 2018-11-01 | 2021-09-08 | Danmarks Tekniske Universitet | A slurry drying plant, a method for drying slurry and use of a slurry drying plant |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1236607A (fr) * | 1959-06-11 | 1960-07-22 | Centre Nat Rech Scient | Procédé et dispositif pour le contrôle et la régulation de la congélation et dudégel de différentes substances, et notamment pour le contrôle et la régulation d'opérations de congélation-dessiccation |
| DE1135830B (de) * | 1961-01-19 | 1962-08-30 | Leybold Hochvakuum Anlagen | Verfahren zum Regeln einer kontinuierlichen Gefriertrocknung |
| US3477137A (en) * | 1968-03-25 | 1969-11-11 | Sun Freeze Inc | Quick freezing of liquids for dehydration |
-
1973
- 1973-02-05 CH CH159173A patent/CH561887A5/xx not_active IP Right Cessation
-
1974
- 1974-01-21 ZA ZA740432A patent/ZA74432B/xx unknown
- 1974-01-22 CA CA190,674A patent/CA1000188A/en not_active Expired
- 1974-01-22 IE IE133/74A patent/IE39963B1/xx unknown
- 1974-01-23 BE BE140100A patent/BE810070A/xx not_active IP Right Cessation
- 1974-01-25 AU AU64895/74A patent/AU472846B2/en not_active Expired
- 1974-01-28 US US436959A patent/US3882610A/en not_active Expired - Lifetime
- 1974-01-28 GB GB384274A patent/GB1409986A/en not_active Expired
- 1974-01-28 NL NL7401129.A patent/NL159779B/xx not_active IP Right Cessation
- 1974-01-29 IT IT19936/74A patent/IT1007149B/it active
- 1974-01-31 IN IN210/CAL/74A patent/IN141189B/en unknown
- 1974-01-31 SE SE7401270A patent/SE400365B/xx not_active IP Right Cessation
- 1974-02-01 AT AT80474A patent/AT359432B/de not_active IP Right Cessation
- 1974-02-04 FR FR7403628A patent/FR2216532B1/fr not_active Expired
- 1974-02-04 DK DK059074A patent/DK151835C/da not_active IP Right Cessation
- 1974-02-04 JP JP1441174A patent/JPS5624847B2/ja not_active Expired
- 1974-02-04 BR BR777/74A patent/BR7400777D0/pt unknown
- 1974-02-04 NO NO740364A patent/NO138229C/no unknown
- 1974-02-04 LU LU69310A patent/LU69310A1/xx unknown
- 1974-02-04 ES ES422898A patent/ES422898A1/es not_active Expired
Also Published As
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
| PCNP | Patent ceased through non-payment of renewal fee |