GB2291054B - Filter - Google Patents

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Publication number
GB2291054B
GB2291054B GB9413588A GB9413588A GB2291054B GB 2291054 B GB2291054 B GB 2291054B GB 9413588 A GB9413588 A GB 9413588A GB 9413588 A GB9413588 A GB 9413588A GB 2291054 B GB2291054 B GB 2291054B
Authority
GB
United Kingdom
Prior art keywords
filter
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 - Fee Related
Application number
GB9413588A
Other versions
GB9413588D0 (en
GB2291054A (en
Inventor
David Peter Froud
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.)
Apoc Ltd
Original Assignee
Apoc 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
Application filed by Apoc Ltd filed Critical Apoc Ltd
Priority to GB9413588A priority Critical patent/GB2291054B/en
Publication of GB9413588D0 publication Critical patent/GB9413588D0/en
Publication of GB2291054A publication Critical patent/GB2291054A/en
Application granted granted Critical
Publication of GB2291054B publication Critical patent/GB2291054B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00—Biological treatment of water, waste water, or sewage
    • C02F3/02—Aerobic processes
    • C02F3/04—Aerobic processes using trickle filters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00—Technologies for wastewater treatment
    • Y02W10/10—Biological treatment of water, waste water, or sewage
GB9413588A 1994-07-06 1994-07-06 Filter Expired - Fee Related GB2291054B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9413588A GB2291054B (en) 1994-07-06 1994-07-06 Filter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9413588A GB2291054B (en) 1994-07-06 1994-07-06 Filter

Publications (3)

Publication Number Publication Date
GB9413588D0 GB9413588D0 (en) 1994-08-24
GB2291054A GB2291054A (en) 1996-01-17
GB2291054B true GB2291054B (en) 1997-11-12

Family

ID=10757885

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9413588A Expired - Fee Related GB2291054B (en) 1994-07-06 1994-07-06 Filter

Country Status (1)

Country Link
GB (1) GB2291054B (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6214359B2 (en) * 1978-03-23 1987-04-01 Inoue Japax Res
JPS6369592A (en) * 1986-09-09 1988-03-29 Iwao Ueda Device for treating sewage discharged from household flush toilet, kitchen or the like

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6214359B2 (en) * 1978-03-23 1987-04-01 Inoue Japax Res
JPS6369592A (en) * 1986-09-09 1988-03-29 Iwao Ueda Device for treating sewage discharged from household flush toilet, kitchen or the like

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
WPI Accession Number 87-113955/16 & JP 62014359 B *
WPI Accession Number 88-124202/18 & JP 63069592 A *

Also Published As

Publication number Publication date
GB9413588D0 (en) 1994-08-24
GB2291054A (en) 1996-01-17

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19990706