GB1570280A - Treatment of powders - Google Patents

Treatment of powders Download PDF

Info

Publication number
GB1570280A
GB1570280A GB46973/75A GB4697375A GB1570280A GB 1570280 A GB1570280 A GB 1570280A GB 46973/75 A GB46973/75 A GB 46973/75A GB 4697375 A GB4697375 A GB 4697375A GB 1570280 A GB1570280 A GB 1570280A
Authority
GB
United Kingdom
Prior art keywords
powder
vessel
sterilizing
gas
vapour
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
Application number
GB46973/75A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Boots Co PLC
Original Assignee
Boots Co PLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Boots Co PLC filed Critical Boots Co PLC
Priority to GB46973/75A priority Critical patent/GB1570280A/en
Priority to FR7634129A priority patent/FR2331355A1/fr
Priority to US05/742,162 priority patent/US4133638A/en
Publication of GB1570280A publication Critical patent/GB1570280A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
    • A61L2/16—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using chemical substances
    • A61L2/20—Gaseous substances, e.g. vapours

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
GB46973/75A 1975-11-14 1975-11-14 Treatment of powders Expired GB1570280A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB46973/75A GB1570280A (en) 1975-11-14 1975-11-14 Treatment of powders
FR7634129A FR2331355A1 (fr) 1975-11-14 1976-11-12 Procede de sterilisation d'une poudre et installation pour sa mise en oeuvre
US05/742,162 US4133638A (en) 1975-11-14 1976-11-15 Method of sterilizing powders in a fluidized bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB46973/75A GB1570280A (en) 1975-11-14 1975-11-14 Treatment of powders

Publications (1)

Publication Number Publication Date
GB1570280A true GB1570280A (en) 1980-06-25

Family

ID=10443268

Family Applications (1)

Application Number Title Priority Date Filing Date
GB46973/75A Expired GB1570280A (en) 1975-11-14 1975-11-14 Treatment of powders

Country Status (3)

Country Link
US (1) US4133638A (enExample)
FR (1) FR2331355A1 (enExample)
GB (1) GB1570280A (enExample)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4724242A (en) * 1985-03-22 1988-02-09 Neiko Vassileff Open cell foamed gypsum absorbents
US4804688A (en) * 1985-03-22 1989-02-14 Vassileff Neiko I Open-cell foamed gypsum insulation
US4612333A (en) * 1985-03-22 1986-09-16 Vassileff Neiko I Foamed gypsum filter containing carbonaceous material
US4921674A (en) * 1988-09-06 1990-05-01 Enos Quentin M Gravity feed apparatus and method for fumigation, detoxification and nutrification of plant seed
US5077007A (en) * 1990-03-02 1991-12-31 Pearson Erich H Batch treatment process and apparatus for the disinfection of infectious waste
US5078965A (en) * 1990-03-02 1992-01-07 Pearson Erich H Batch treatment process and apparatus for the disinfection of infectious waste
US5116574A (en) * 1991-04-03 1992-05-26 Pearson Erich H Continuous treatment process and apparatus for the disinfection of infectious waste
DE4115177A1 (de) * 1991-05-09 1992-11-12 Ultra Systems Gmbh Uv Oxidatio Verfahren und vorrichtung zur reinigung von schadstoffbehafteten feststoffen
GB9316177D0 (en) * 1993-08-04 1993-09-22 Colin Stewart Minchem Ltd Apparatus and method for sterilizing fine powders
US6086833A (en) * 1997-09-08 2000-07-11 Air Liquide America Corporation Process and equipment for sanitizing and packaging food using ozone
US6589480B1 (en) 2000-04-27 2003-07-08 L'air Liquide - Societe Anonyme A'directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Method for sanitizing a food processing environment
US7174744B2 (en) * 2002-08-20 2007-02-13 American Air Liquide, Inc. Method of improving the biocidal efficacy of dry ice
WO2013090418A1 (en) 2011-12-12 2013-06-20 Applied Quantum Energy Llc Sterilization using plasma generated nox

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042533A (en) * 1955-12-06 1962-07-03 John E W Mcconnell Method of sterilization
US3088179A (en) * 1958-11-13 1963-05-07 Wilmot Castle Co Sterilizer for bulk products
GB1031392A (en) * 1961-07-10 1966-06-02 Aerox Ltd Improvements in or relating to the sterilisation of powders
US3341280A (en) * 1963-06-20 1967-09-12 Norda Essential Oil And Chemic Sterilization apparatus and method
US3477807A (en) * 1967-03-14 1969-11-11 Sybron Corp Method and apparatus for sterilizing
FR1600886A (enExample) * 1967-10-10 1970-08-03
US3600127A (en) * 1969-10-07 1971-08-17 American Sterilizer Co Fluidized bed sterilizing process
GB1335557A (en) * 1970-06-10 1973-10-31 Gardners Of Gloucester Ltd Sterilisation of powders and other fine-grained pulverulent or granular materials
US3897210A (en) * 1971-05-07 1975-07-29 Bacfree Ind Inc Method and apparatus for sterilizing particulate material
DE2422907C2 (de) * 1974-05-11 1986-04-03 Fritz Lödige Vorrichtung zum Sterilisieren von Schüttgütern

Also Published As

Publication number Publication date
FR2331355B1 (enExample) 1980-09-26
FR2331355A1 (fr) 1977-06-10
US4133638A (en) 1979-01-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee