DK168760B1 - Fremgangsmåde til biologisk og fysisk eliminering af uønskede indholdsstoffer fra vand, anlæg til brug ved fremgangsmåden samt anvendelse af fremgangsmåden til fjernelse af nitrat fra vand - Google Patents
Fremgangsmåde til biologisk og fysisk eliminering af uønskede indholdsstoffer fra vand, anlæg til brug ved fremgangsmåden samt anvendelse af fremgangsmåden til fjernelse af nitrat fra vand Download PDFInfo
- Publication number
- DK168760B1 DK168760B1 DK133087A DK133087A DK168760B1 DK 168760 B1 DK168760 B1 DK 168760B1 DK 133087 A DK133087 A DK 133087A DK 133087 A DK133087 A DK 133087A DK 168760 B1 DK168760 B1 DK 168760B1
- Authority
- DK
- Denmark
- Prior art keywords
- reactor
- gas
- water
- fluidized bed
- membrane
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims description 21
- 230000008569 process Effects 0.000 title claims description 13
- 239000000470 constituent Substances 0.000 title claims description 8
- 229910002651 NO3 Inorganic materials 0.000 title claims description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 title claims description 4
- 238000009434 installation Methods 0.000 title claims 6
- 239000007789 gas Substances 0.000 claims abstract description 59
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000001301 oxygen Substances 0.000 claims abstract description 26
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 26
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 13
- 229910002092 carbon dioxide Inorganic materials 0.000 claims abstract description 11
- 239000001569 carbon dioxide Substances 0.000 claims abstract description 10
- 239000001257 hydrogen Substances 0.000 claims abstract description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 7
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 53
- 239000000126 substance Substances 0.000 claims description 20
- 239000012876 carrier material Substances 0.000 claims description 16
- 239000004744 fabric Substances 0.000 claims description 16
- 229920005989 resin Polymers 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 244000005700 microbiome Species 0.000 claims description 7
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 5
- 239000012071 phase Substances 0.000 claims description 5
- 125000006850 spacer group Chemical group 0.000 claims description 5
- 230000008030 elimination Effects 0.000 claims description 4
- 238000003379 elimination reaction Methods 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 239000012784 inorganic fiber Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 239000000047 product Substances 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 239000012467 final product Substances 0.000 claims description 2
- 238000005188 flotation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 abstract description 2
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 4
- 239000004945 silicone rubber Substances 0.000 description 4
- 239000008346 aqueous phase Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 150000008282 halocarbons Chemical class 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 230000003134 recirculating effect Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- 241000894006 Bacteria Species 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 230000001651 autotrophic effect Effects 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 230000001546 nitrifying effect Effects 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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
- C02F3/08—Aerobic processes using moving contact bodies
- C02F3/085—Fluidized beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/10—Supported membranes; Membrane supports
- B01D69/107—Organic support material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/06—Organic material
- B01D71/70—Polymers having silicon in the main chain, with or without sulfur, nitrogen, oxygen or carbon only
-
- 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
- C02F3/12—Activated sludge processes
- C02F3/20—Activated sludge processes using diffusers
- C02F3/208—Membrane aeration
-
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2806—Anaerobic processes using solid supports for microorganisms
-
- 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
- C02F3/30—Aerobic and anaerobic processes
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biological Treatment Of Waste Water (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Medicines Containing Plant Substances (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3525493 | 1985-07-17 | ||
DE3525493 | 1985-07-17 | ||
DE19853544383 DE3544383A1 (de) | 1985-07-17 | 1985-12-14 | Verfahren zur biologischen und/oder physikalischen elimination unerwuenschter wasserinhaltsstoffe aus wasser mittels gefluteter biofilmreaktoren u. anlage zur durchfuehrung des verfahrens |
DE3544383 | 1985-12-14 | ||
EP8600419 | 1986-07-17 | ||
PCT/EP1986/000419 WO1987000517A1 (fr) | 1985-07-17 | 1986-07-17 | Reacteur a film biologique noye pour traitement de l'eau, avec application du gaz a travers une membrane |
Publications (3)
Publication Number | Publication Date |
---|---|
DK133087D0 DK133087D0 (da) | 1987-03-16 |
DK133087A DK133087A (da) | 1987-03-16 |
DK168760B1 true DK168760B1 (da) | 1994-06-06 |
Family
ID=25834086
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK133087A DK168760B1 (da) | 1985-07-17 | 1987-03-16 | Fremgangsmåde til biologisk og fysisk eliminering af uønskede indholdsstoffer fra vand, anlæg til brug ved fremgangsmåden samt anvendelse af fremgangsmåden til fjernelse af nitrat fra vand |
Country Status (6)
Country | Link |
---|---|
US (1) | US4883594A (fr) |
EP (1) | EP0229132B1 (fr) |
AT (1) | ATE72209T1 (fr) |
DE (2) | DE3544383A1 (fr) |
DK (1) | DK168760B1 (fr) |
WO (1) | WO1987000517A1 (fr) |
Families Citing this family (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3742642A1 (de) * | 1987-12-16 | 1989-06-29 | Braeutigam Hans Juergen Dr Ing | Verfahren zur behandlung des prozesswassers von aquakulturanlagen durch nitrifikation und sauerstoffanreicherung sowie anlage zur durchfuehrung des verfahrens |
US5177006A (en) * | 1988-07-14 | 1993-01-05 | E. R. Squibb & Sons, Inc. | Enzymatic resolution process |
US5128263A (en) * | 1988-07-14 | 1992-07-07 | E. R. Squibb & Sons, Inc. | Enzymatic resolution process hydrolyzing thio-ester |
DE3917368A1 (de) * | 1989-05-29 | 1991-03-21 | Degremont | Verfahren zur biologischen umwandlung geloester nitrate und anlage zur durchfuehrung des verfahrens |
JPH0671594B2 (ja) * | 1989-11-07 | 1994-09-14 | 荏原インフイルコ株式会社 | 水中の溶存酸素の除去方法および装置 |
US5190627A (en) * | 1989-11-07 | 1993-03-02 | Ebara Corporation | Process for removing dissolved oxygen from water and system therefor |
DE4038514A1 (de) * | 1990-12-03 | 1992-06-04 | Braeutigam Hans Juergen | Verfahren zur anreicherung von wasser mit gas und reaktor zur durchfuehrung des verfahrens |
US5246309A (en) * | 1991-05-16 | 1993-09-21 | Hobby Michael M | System and method for decontamination of contaminated ground |
US5204001A (en) * | 1991-10-09 | 1993-04-20 | Zenon Environmental Inc. | Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products |
US5558774A (en) * | 1991-10-09 | 1996-09-24 | Zenon Environmental Inc. | Aerated hot membrane bioreactor process for treating recalcitrant compounds |
DE4142502A1 (de) * | 1991-12-21 | 1993-06-24 | Solvay Umweltchemie Gmbh | Blasenfreier wasserstoffeintrag in waessrige fluessigkeiten |
DE4207962A1 (de) * | 1992-03-13 | 1993-09-16 | Solvay Umweltchemie Gmbh | Katalytisches wirbelschichtverfahren zur behandlung waessriger fluessigkeiten |
DE4308832C1 (de) * | 1993-03-19 | 1994-04-07 | Buna Ag | Verfahren zur Entfernung organischer Verunreinigungen aus Rohwässern |
US5632887A (en) * | 1995-06-07 | 1997-05-27 | The Wardley Corporation | Fluidized bed aquarium filter |
US5965016A (en) * | 1997-02-13 | 1999-10-12 | The Hartz Mountain Corporation | Fluidized bed aquarium filtration system |
DE19860942C1 (de) * | 1998-12-29 | 2000-05-04 | Wolfgang Luehr | Vorrichtung zur aeroben mikrobiologischen Aufbereitung von Abwasser |
US6224770B1 (en) * | 1999-03-19 | 2001-05-01 | Exxon Research And Engineering Company | Biowall for groundwater remediation |
DE60126356T2 (de) * | 2000-03-08 | 2007-11-08 | Zenon Technology Partnership, Wilmington | Reaktor mit membranmodul für gastransfer und membrangestütztes biofilmverfahren |
DE10060730A1 (de) * | 2000-12-07 | 2002-06-20 | Messer Griesheim Gmbh | Verfahren und Vorrichtung zur Behandlung von Flüssigkeiten |
DE10102467A1 (de) * | 2001-01-12 | 2002-07-25 | Umwelttechnik Dr Bartetzko Gmb | Verfahren und Vorrichtung zur Aufbereitung von mit wasserlöslichen Lackanteilen belasteten Abwässern |
US7294259B2 (en) * | 2003-02-13 | 2007-11-13 | Zenon Technology Partnership | Membrane module for gas transfer |
US7118672B2 (en) * | 2003-02-13 | 2006-10-10 | Zenon Technology Partnership | Membrane supported bioreactor for municipal and industrial wastewater treatment |
US7303676B2 (en) * | 2003-02-13 | 2007-12-04 | Zenon Technology Partnership | Supported biofilm apparatus and process |
US7175763B2 (en) * | 2003-02-13 | 2007-02-13 | Zenon Technology Partnership | Membrane supported biofilm process for autotrophic reduction |
US7300571B2 (en) * | 2003-02-13 | 2007-11-27 | Zenon Technology Partnership | Supported biofilm apparatus |
JP2006518661A (ja) * | 2003-02-13 | 2006-08-17 | ゼノン、エンバイロンメンタル、インコーポレーテッド | 支持されたバイオフィルム装置と方法 |
US8528745B2 (en) * | 2007-04-20 | 2013-09-10 | General Electric Company | Membrane supported biofilm apparatus |
DE102012014034A1 (de) | 2012-07-14 | 2014-01-16 | Ulrich Spranger | Verfahren zum biologischen Nitratabbau in Flüssigkeiten |
DE102012110067A1 (de) * | 2012-07-20 | 2014-05-15 | Hypower Gmbh | Verfahren und Vorrichtung zur Einstellung der Menge oder der Partialdrücke zweier Gase in einem Fluid |
KR102706720B1 (ko) | 2013-02-22 | 2024-09-12 | 비엘 테크놀러지스 인크. | 바이오필름 지지용 맴브레인 조립체 |
US10160679B2 (en) | 2014-03-20 | 2018-12-25 | Bl Technologies, Inc. | Wastewater treatment with primary treatment and MBR or MABR-IFAS reactor |
JP6938875B2 (ja) * | 2016-09-20 | 2021-09-22 | 栗田工業株式会社 | 生物処理装置 |
JP6451724B2 (ja) * | 2016-12-01 | 2019-01-16 | 栗田工業株式会社 | 生物活性炭処理装置 |
JP6365714B1 (ja) * | 2017-03-16 | 2018-08-01 | 栗田工業株式会社 | 好気性生物処理方法 |
JP6702344B2 (ja) * | 2018-02-15 | 2020-06-03 | 栗田工業株式会社 | 好気性生物処理装置 |
JP6652147B2 (ja) * | 2018-02-20 | 2020-02-19 | 栗田工業株式会社 | 好気性生物処理装置 |
CN110156150B (zh) * | 2019-06-25 | 2024-05-24 | 湖南鑫恒环境科技有限公司 | 一种生物膜的污水处理装置 |
CN112456633A (zh) * | 2019-09-09 | 2021-03-09 | 中国石油化工股份有限公司 | 一种生物膜反应器及生物膜量调控方法 |
CN112759204A (zh) * | 2021-01-29 | 2021-05-07 | 安阳钢铁股份有限公司 | 一种焦化污水处理工艺 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1459450A1 (de) * | 1960-09-21 | 1969-01-30 | Wibau Gmbh | Verfahren und Einrichtung zur vollbiologischen Reinigung von Abwaessern |
FR2044570A5 (fr) * | 1969-05-27 | 1971-02-19 | Rhone Poulenc Sa | |
US3855120A (en) * | 1971-07-09 | 1974-12-17 | P Garbo | Oxygenation of waste water |
US3765535A (en) * | 1972-02-17 | 1973-10-16 | Gen Filter Co | Aeration device for filter tanks |
US4009098A (en) * | 1973-02-16 | 1977-02-22 | Ecolotrol, Inc. | Waste treatment process |
US4182675A (en) * | 1974-07-12 | 1980-01-08 | Ecolotrol, Inc. | Waste treatment process |
CA1096976A (fr) * | 1977-04-13 | 1981-03-03 | Hisao Onishi | Procede et dispositif de traitement des eaux usees |
NL7904388A (nl) * | 1978-06-15 | 1979-12-18 | Mitsubishi Rayon Co | Werkwijze en inrichting voor overdracht van gassen. |
GB2026079A (en) * | 1978-07-20 | 1980-01-30 | Mukawa K | Magnetic connector |
US4321141A (en) * | 1979-06-01 | 1982-03-23 | Corning Glass Works | Method for processing waste |
GB2075547B (en) * | 1980-05-02 | 1984-06-06 | Mckeown Jarvie | Apparatus for cultivating micro-organisms sewage treatment |
DE3122186A1 (de) * | 1981-06-04 | 1982-12-23 | Martin 3013 Barsinghausen Lauffer | Silikonkautschukmembranen, verfahren zu ihrer herstellung und ihre verwendung zum be- und entgasen von fluessigkeiten |
US4416993A (en) * | 1981-06-11 | 1983-11-22 | Mcleod & Miller (Engineers) Limited | Apparatus with semi-permeable membrane, and method for cultivating micro-organisms |
DE3129064A1 (de) * | 1981-07-23 | 1983-02-10 | Akzo Gmbh, 5600 Wuppertal | Verfahren und vorrichtung zur blutoxygenation |
US4622148A (en) * | 1985-06-25 | 1986-11-11 | Willinger Bros., Inc. | Aquarium filter system |
-
1985
- 1985-12-14 DE DE19853544383 patent/DE3544383A1/de active Granted
-
1986
- 1986-07-17 DE DE8686904169T patent/DE3683752D1/de not_active Expired - Fee Related
- 1986-07-17 AT AT86904169T patent/ATE72209T1/de not_active IP Right Cessation
- 1986-07-17 EP EP19860904169 patent/EP0229132B1/fr not_active Expired - Lifetime
- 1986-07-17 US US07/026,693 patent/US4883594A/en not_active Expired - Fee Related
- 1986-07-17 WO PCT/EP1986/000419 patent/WO1987000517A1/fr active IP Right Grant
-
1987
- 1987-03-16 DK DK133087A patent/DK168760B1/da not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK133087D0 (da) | 1987-03-16 |
EP0229132B1 (fr) | 1992-01-29 |
DK133087A (da) | 1987-03-16 |
WO1987000517A1 (fr) | 1987-01-29 |
EP0229132A1 (fr) | 1987-07-22 |
DE3544383C2 (fr) | 1990-08-30 |
ATE72209T1 (de) | 1992-02-15 |
US4883594A (en) | 1989-11-28 |
DE3544383A1 (de) | 1987-01-29 |
DE3683752D1 (de) | 1992-03-12 |
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