GB2224958B - Filtration - Google Patents

Filtration

Info

Publication number
GB2224958B
GB2224958B GB8920648A GB8920648A GB2224958B GB 2224958 B GB2224958 B GB 2224958B GB 8920648 A GB8920648 A GB 8920648A GB 8920648 A GB8920648 A GB 8920648A GB 2224958 B GB2224958 B GB 2224958B
Authority
GB
United Kingdom
Prior art keywords
filtration
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 - Lifetime
Application number
GB8920648A
Other versions
GB2224958A (en
GB8920648D0 (en
Inventor
Simon Jon Judd
George Stefan Solt
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.)
BTG International Ltd
National Research Development Corp UK
Original Assignee
National Research Development Corp UK
British Technology Group Ltd
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
Priority to GB888821271A priority Critical patent/GB8821271D0/en
Priority to GB888821270A priority patent/GB8821270D0/en
Application filed by National Research Development Corp UK, British Technology Group Ltd filed Critical National Research Development Corp UK
Publication of GB8920648D0 publication Critical patent/GB8920648D0/en
Publication of GB2224958A publication Critical patent/GB2224958A/en
Application granted granted Critical
Publication of GB2224958B publication Critical patent/GB2224958B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D35/00Other filtering devices; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/06Filters making use of electricity or magnetism
GB8920648A 1988-09-12 1989-09-12 Filtration Expired - Lifetime GB2224958B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB888821271A GB8821271D0 (en) 1988-09-12 1988-09-12 Filtration
GB888821270A GB8821270D0 (en) 1988-09-12 1988-09-12 Filtration

Publications (3)

Publication Number Publication Date
GB8920648D0 GB8920648D0 (en) 1989-10-25
GB2224958A GB2224958A (en) 1990-05-23
GB2224958B true GB2224958B (en) 1992-08-12

Family

ID=26294378

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8920648A Expired - Lifetime GB2224958B (en) 1988-09-12 1989-09-12 Filtration

Country Status (4)

Country Link
EP (1) EP0433387A1 (en)
JP (1) JPH04500627A (en)
GB (1) GB2224958B (en)
WO (1) WO1990002595A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4513069B2 (en) * 2006-03-30 2010-07-28 いすゞ自動車株式会社 Solar-absorbing glass structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350590A (en) * 1981-02-25 1982-09-21 Robinson Norman R Filtration system
WO1985005290A1 (en) * 1984-05-17 1985-12-05 Thompson Donald E Fluid filter
EP0194766A1 (en) * 1985-03-12 1986-09-17 Courtaulds Plc Cationic fibres suitable for ion-exchange materials and their production
GB2198365A (en) * 1986-08-04 1988-06-15 Howden James & Co Ltd Filter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573967A (en) * 1947-05-01 1951-11-06 Us Hoffman Machinery Corp Electrical precipitation method
US3324026A (en) * 1964-01-10 1967-06-06 Petrolite Corp Electric filter
US3933643A (en) * 1971-09-10 1976-01-20 The Carborundum Company Electrically conducting filter media for fluids
DE2315615C3 (en) * 1973-03-29 1979-09-06 Karl Dr.Rer.Nat. 4150 Krefeld Dietzel Device for the mechanical-biological purification of waste water
WO1982002003A1 (en) * 1980-12-09 1982-06-24 Dennis E Johnson Electro-chemical system for liquid filtration

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350590A (en) * 1981-02-25 1982-09-21 Robinson Norman R Filtration system
WO1985005290A1 (en) * 1984-05-17 1985-12-05 Thompson Donald E Fluid filter
EP0194766A1 (en) * 1985-03-12 1986-09-17 Courtaulds Plc Cationic fibres suitable for ion-exchange materials and their production
GB2198365A (en) * 1986-08-04 1988-06-15 Howden James & Co Ltd Filter

Also Published As

Publication number Publication date
GB2224958A (en) 1990-05-23
GB8920648D0 (en) 1989-10-25
EP0433387A1 (en) 1991-06-26
JPH04500627A (en) 1992-02-06
WO1990002595A1 (en) 1990-03-22

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19960912