NO312093B1 - Fremgangsmåte for fjerning av forurensende materiale fra vann eller fra vått, fast materiale - Google Patents
Fremgangsmåte for fjerning av forurensende materiale fra vann eller fra vått, fast materiale Download PDFInfo
- Publication number
- NO312093B1 NO312093B1 NO19964781A NO964781A NO312093B1 NO 312093 B1 NO312093 B1 NO 312093B1 NO 19964781 A NO19964781 A NO 19964781A NO 964781 A NO964781 A NO 964781A NO 312093 B1 NO312093 B1 NO 312093B1
- Authority
- NO
- Norway
- Prior art keywords
- weight
- prepolymer
- water
- parts
- polyol
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000003344 environmental pollutant Substances 0.000 title 1
- 231100000719 pollutant Toxicity 0.000 title 1
- 239000011343 solid material Substances 0.000 title 1
- 239000000463 material Substances 0.000 claims abstract description 43
- 239000006260 foam Substances 0.000 claims abstract description 19
- 239000012948 isocyanate Substances 0.000 claims abstract description 3
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 3
- 229920005862 polyol Polymers 0.000 claims description 24
- 150000003077 polyols Chemical class 0.000 claims description 24
- 229920001228 polyisocyanate Polymers 0.000 claims description 20
- 239000005056 polyisocyanate Substances 0.000 claims description 20
- UPMLOUAZCHDJJD-UHFFFAOYSA-N 4,4'-Diphenylmethane Diisocyanate Chemical compound C1=CC(N=C=O)=CC=C1CC1=CC=C(N=C=O)C=C1 UPMLOUAZCHDJJD-UHFFFAOYSA-N 0.000 claims description 16
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 6
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 5
- 125000006353 oxyethylene group Chemical group 0.000 claims description 5
- 229920000570 polyether Polymers 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 claims description 2
- 239000003921 oil Substances 0.000 description 13
- 239000000203 mixture Substances 0.000 description 8
- 239000003999 initiator Substances 0.000 description 5
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 5
- 239000008399 tap water Substances 0.000 description 5
- 235000020679 tap water Nutrition 0.000 description 5
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical group C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 3
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 3
- HZAXFHJVJLSVMW-UHFFFAOYSA-N 2-Aminoethan-1-ol Chemical compound NCCO HZAXFHJVJLSVMW-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- IISBACLAFKSPIT-UHFFFAOYSA-N bisphenol A Chemical compound C=1C=C(O)C=CC=1C(C)(C)C1=CC=C(O)C=C1 IISBACLAFKSPIT-UHFFFAOYSA-N 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000000839 emulsion Substances 0.000 description 2
- 239000008394 flocculating agent Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010705 motor oil Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- GHMLBKRAJCXXBS-UHFFFAOYSA-N resorcinol Chemical compound OC1=CC=CC(O)=C1 GHMLBKRAJCXXBS-UHFFFAOYSA-N 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 2
- ZWVMLYRJXORSEP-UHFFFAOYSA-N 1,2,6-Hexanetriol Chemical compound OCCCCC(O)CO ZWVMLYRJXORSEP-UHFFFAOYSA-N 0.000 description 1
- VOZKAJLKRJDJLL-UHFFFAOYSA-N 2,4-diaminotoluene Chemical compound CC1=CC=C(N)C=C1N VOZKAJLKRJDJLL-UHFFFAOYSA-N 0.000 description 1
- PISLZQACAJMAIO-UHFFFAOYSA-N 2,4-diethyl-6-methylbenzene-1,3-diamine Chemical compound CCC1=CC(C)=C(N)C(CC)=C1N PISLZQACAJMAIO-UHFFFAOYSA-N 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 239000002841 Lewis acid Substances 0.000 description 1
- 229920001730 Moisture cure polyurethane Polymers 0.000 description 1
- 229920005830 Polyurethane Foam Polymers 0.000 description 1
- GOOHAUXETOMSMM-UHFFFAOYSA-N Propylene oxide Chemical compound CC1CO1 GOOHAUXETOMSMM-UHFFFAOYSA-N 0.000 description 1
- GSEJCLTVZPLZKY-UHFFFAOYSA-N Triethanolamine Chemical compound OCCN(CCO)CCO GSEJCLTVZPLZKY-UHFFFAOYSA-N 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 description 1
- PASDCCFISLVPSO-UHFFFAOYSA-N benzoyl chloride Chemical compound ClC(=O)C1=CC=CC=C1 PASDCCFISLVPSO-UHFFFAOYSA-N 0.000 description 1
- HIFVAOIJYDXIJG-UHFFFAOYSA-N benzylbenzene;isocyanic acid Chemical class N=C=O.N=C=O.C=1C=CC=CC=1CC1=CC=CC=C1 HIFVAOIJYDXIJG-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229920001400 block copolymer Polymers 0.000 description 1
- CDQSJQSWAWPGKG-UHFFFAOYSA-N butane-1,1-diol Chemical compound CCCC(O)O CDQSJQSWAWPGKG-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- VPKDCDLSJZCGKE-UHFFFAOYSA-N carbodiimide group Chemical group N=C=N VPKDCDLSJZCGKE-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- YMHQVDAATAEZLO-UHFFFAOYSA-N cyclohexane-1,1-diamine Chemical compound NC1(N)CCCCC1 YMHQVDAATAEZLO-UHFFFAOYSA-N 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 125000005442 diisocyanate group Chemical class 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
- SZXQTJUDPRGNJN-UHFFFAOYSA-N dipropylene glycol Chemical compound OCCCOCCCO SZXQTJUDPRGNJN-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000007517 lewis acids Chemical class 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- -1 phenyldiamine Chemical compound 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-L phthalate(2-) Chemical compound [O-]C(=O)C1=CC=CC=C1C([O-])=O XNGIFLGASWRNHJ-UHFFFAOYSA-L 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000011496 polyurethane foam Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 229960004418 trolamine Drugs 0.000 description 1
- 150000003672 ureas Chemical class 0.000 description 1
- 239000002699 waste material Substances 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
- C02F1/681—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water by addition of solid materials for removing an oily layer on water
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S521/00—Synthetic resins or natural rubbers -- part of the class 520 series
- Y10S521/918—Physical aftertreatment of a cellular product
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Polyurethanes Or Polyureas (AREA)
- Extraction Or Liquid Replacement (AREA)
- Physical Water Treatments (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Processing Of Solid Wastes (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Floating Material (AREA)
- Water Treatment By Sorption (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Removal Of Specific Substances (AREA)
- Treatment Of Sludge (AREA)
- Polyethers (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9409546A GB9409546D0 (en) | 1994-05-12 | 1994-05-12 | Process for removing unwanted material from wanted material |
| PCT/EP1995/001517 WO1995031402A1 (en) | 1994-05-12 | 1995-04-21 | Process for removing polluting material from water or wet solid matter |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO964781L NO964781L (no) | 1996-11-11 |
| NO964781D0 NO964781D0 (no) | 1996-11-11 |
| NO312093B1 true NO312093B1 (no) | 2002-03-18 |
Family
ID=10755035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19964781A NO312093B1 (no) | 1994-05-12 | 1996-11-11 | Fremgangsmåte for fjerning av forurensende materiale fra vann eller fra vått, fast materiale |
Country Status (26)
| Country | Link |
|---|---|
| US (1) | US5504124A (ja) |
| EP (1) | EP0759012B1 (ja) |
| JP (1) | JP3335635B2 (ja) |
| KR (2) | KR100364653B1 (ja) |
| CN (1) | CN1098216C (ja) |
| AT (1) | ATE167167T1 (ja) |
| AU (1) | AU684636B2 (ja) |
| BG (1) | BG61761B1 (ja) |
| BR (1) | BR9507626A (ja) |
| CZ (1) | CZ287937B6 (ja) |
| DE (1) | DE69502951T2 (ja) |
| DK (1) | DK0759012T3 (ja) |
| ES (1) | ES2117419T3 (ja) |
| FI (1) | FI964521A0 (ja) |
| GB (1) | GB9409546D0 (ja) |
| HK (1) | HK1010455A1 (ja) |
| HU (1) | HU220545B1 (ja) |
| MY (1) | MY115954A (ja) |
| NO (1) | NO312093B1 (ja) |
| NZ (1) | NZ284810A (ja) |
| PL (1) | PL178567B1 (ja) |
| RO (1) | RO118283B1 (ja) |
| RU (1) | RU2107033C1 (ja) |
| SI (1) | SI9520056B (ja) |
| UA (1) | UA39900C2 (ja) |
| WO (1) | WO1995031402A1 (ja) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6004402A (en) * | 1994-10-06 | 1999-12-21 | Xomed Surgical Products, Inc. | Method of cleaning silicon material with a sponge |
| US6130264A (en) | 1994-10-06 | 2000-10-10 | Xomed Surgical Products, Inc. | Synthetic sponge and surgical spear comprising synthetic sponge |
| US6080092A (en) | 1994-10-06 | 2000-06-27 | Xomed Surgical Products, Inc. | Industrial cleaning sponge |
| UA43899C2 (uk) * | 1995-06-27 | 2002-01-15 | Хантсмен Ай Сі Ай Кемікалз Ллс | Спосіб вилучення забруднення з матеріалу |
| RU2188072C1 (ru) * | 2001-07-04 | 2002-08-27 | Закрытое акционерное общество "Блокформ" | Полиуретановый сорбент углеводородов и способ очистки водных сред и твердых поверхностей от углеводородных загрязнений с его использованием |
| US7459488B2 (en) | 2005-03-03 | 2008-12-02 | Polyfoam Products, Inc. | Composition and process for recovery of spilled hydrocarbons from aqueous environments |
| WO2009088182A2 (ko) * | 2008-01-04 | 2009-07-16 | Umi System Co. | 탈부착 가능한 어퍼 및 이를 포함하는 인솔 |
| KR100965801B1 (ko) | 2008-01-04 | 2010-06-24 | 유미시스템 주식회사 | 탈부착 가능한 어퍼 및 이를 포함하는 인솔 |
| KR100919137B1 (ko) | 2008-08-21 | 2009-09-25 | 주식회사 비엠시스 | 신발의 인솔 |
| DE102009000578A1 (de) | 2009-02-03 | 2010-08-12 | Alexander Noskow | Polyurethansorbens zur Entfernung von Kohlenwasserstoffen und Verfahren zur Reinigung von mit Kohlenwasserstoffen verunreinigten wässrigen Umgebungen und festen Oberflächen, welches das Polyurethansorbens verwendet |
| CN102069037B (zh) * | 2011-01-20 | 2012-09-05 | 西安建筑科技大学 | 一种复合烃油选钼捕收剂及其制备方法 |
| KR101475725B1 (ko) | 2012-06-26 | 2015-01-29 | (주)비발 | 연질 폴리우레탄겔 및 그 제조방법 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3490225A (en) * | 1966-12-27 | 1970-01-20 | Edwards Co | System for setting secondary clocks |
| GB1170959A (en) * | 1967-03-31 | 1969-11-19 | Ici Ltd | Separation Process. |
| DE1944679A1 (de) * | 1969-09-03 | 1971-03-04 | Collo Rheincollodium Koeln Gmb | Verfahren und Einrichtungen zur Beseitigung von OElverschmutzungen od.dgl. |
| US3977969A (en) * | 1971-10-26 | 1976-08-31 | The United States Of America As Represented By The Secretary Of The Navy | Containment and riddance of oil spills |
| DE3315596A1 (de) * | 1983-04-29 | 1984-10-31 | Basf Ag, 6700 Ludwigshafen | Verwendung von polyurethanpraepolymeren als flockungsmittel |
| JPS63215789A (ja) * | 1987-03-03 | 1988-09-08 | New Japan Chem Co Ltd | 有機物回収用組成物 |
| DE3839570A1 (de) * | 1988-11-24 | 1990-05-31 | Bayer Ag | Verfahren zur entfernung von flaechig verteilten kohlenwasserstoffen, insbesondere oelrueckstaenden |
| DE3927317A1 (de) * | 1989-08-18 | 1991-02-21 | Bayer Ag | Verfahren zur aufarbeitung trueber abwaesser |
| DE4040022A1 (de) * | 1990-12-14 | 1992-06-17 | Bayer Ag | Spaltung von wasser-in-oel-emulsionen |
| ES2102472T3 (es) * | 1991-12-17 | 1997-08-01 | Ici Plc | Espumas de poliuretano. |
| JPH05329951A (ja) * | 1992-06-01 | 1993-12-14 | Toyo Tire & Rubber Co Ltd | 優れた油回収性を有するウレタンフオーム及びその製造法 |
| KR100216494B1 (ko) * | 1993-03-01 | 1999-08-16 | 로날드 제이. 알레인, 지이 엠 브랜논, 더블유 이 패리 | 수용성 양이온성 중합체 분산액을 사용하여 폐액으로부터 오일을 회수하고 산업 폐수로부터 오일을 제거하는 방법 |
-
1994
- 1994-05-12 GB GB9409546A patent/GB9409546D0/en active Pending
-
1995
- 1995-04-21 RO RO96-02133A patent/RO118283B1/ro unknown
- 1995-04-21 AT AT95917351T patent/ATE167167T1/de not_active IP Right Cessation
- 1995-04-21 EP EP95917351A patent/EP0759012B1/en not_active Expired - Lifetime
- 1995-04-21 SI SI9520056A patent/SI9520056B/sl not_active IP Right Cessation
- 1995-04-21 KR KR1019960706378A patent/KR100364653B1/ko active
- 1995-04-21 UA UA96124629A patent/UA39900C2/uk unknown
- 1995-04-21 ES ES95917351T patent/ES2117419T3/es not_active Expired - Lifetime
- 1995-04-21 CN CN95193018A patent/CN1098216C/zh not_active Expired - Fee Related
- 1995-04-21 JP JP52931195A patent/JP3335635B2/ja not_active Expired - Fee Related
- 1995-04-21 DK DK95917351T patent/DK0759012T3/da active
- 1995-04-21 WO PCT/EP1995/001517 patent/WO1995031402A1/en active IP Right Grant
- 1995-04-21 RU RU96123748A patent/RU2107033C1/ru not_active IP Right Cessation
- 1995-04-21 BR BR9507626A patent/BR9507626A/pt not_active IP Right Cessation
- 1995-04-21 PL PL95318158A patent/PL178567B1/pl not_active IP Right Cessation
- 1995-04-21 NZ NZ284810A patent/NZ284810A/en unknown
- 1995-04-21 DE DE69502951T patent/DE69502951T2/de not_active Expired - Fee Related
- 1995-04-21 AU AU23455/95A patent/AU684636B2/en not_active Ceased
- 1995-04-21 CZ CZ19963286A patent/CZ287937B6/cs not_active IP Right Cessation
- 1995-04-21 HU HU9602831A patent/HU220545B1/hu not_active IP Right Cessation
- 1995-05-09 US US08/437,729 patent/US5504124A/en not_active Expired - Lifetime
- 1995-05-12 MY MYPI95001255A patent/MY115954A/en unknown
-
1996
- 1996-11-11 KR KR1019960706378A patent/KR970702823A/ko not_active IP Right Cessation
- 1996-11-11 FI FI964521A patent/FI964521A0/fi not_active Application Discontinuation
- 1996-11-11 NO NO19964781A patent/NO312093B1/no unknown
- 1996-12-05 BG BG101031A patent/BG61761B1/bg unknown
-
1998
- 1998-10-16 HK HK98111285A patent/HK1010455A1/xx not_active IP Right Cessation
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