DE69919634T2 - Hergestellte Artikel aus amorphen Fluoropolymeren - Google Patents
Hergestellte Artikel aus amorphen Fluoropolymeren Download PDFInfo
- Publication number
- DE69919634T2 DE69919634T2 DE69919634T DE69919634T DE69919634T2 DE 69919634 T2 DE69919634 T2 DE 69919634T2 DE 69919634 T DE69919634 T DE 69919634T DE 69919634 T DE69919634 T DE 69919634T DE 69919634 T2 DE69919634 T2 DE 69919634T2
- Authority
- DE
- Germany
- Prior art keywords
- articles according
- carrier
- solution
- preparation
- manufactured
- 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
Links
- 229920002313 fluoropolymer Polymers 0.000 title claims description 14
- 239000004811 fluoropolymer Substances 0.000 title claims description 12
- 239000012528 membrane Substances 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 26
- 239000011521 glass Substances 0.000 claims description 22
- 229920000642 polymer Polymers 0.000 claims description 22
- 239000002904 solvent Substances 0.000 claims description 20
- 229920006125 amorphous polymer Polymers 0.000 claims description 19
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 claims description 16
- 239000007789 gas Substances 0.000 claims description 14
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 12
- 238000000926 separation method Methods 0.000 claims description 12
- 238000009835 boiling Methods 0.000 claims description 10
- 229910052731 fluorine Inorganic materials 0.000 claims description 10
- 238000002360 preparation method Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 9
- 239000004014 plasticizer Substances 0.000 claims description 7
- 239000004814 polyurethane Substances 0.000 claims description 7
- 229920002635 polyurethane Polymers 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 claims description 5
- 238000002834 transmittance Methods 0.000 claims description 5
- JSGITCLSCUKHFW-UHFFFAOYSA-N 2,2,4-trifluoro-5-(trifluoromethoxy)-1,3-dioxole Chemical compound FC1=C(OC(F)(F)F)OC(F)(F)O1 JSGITCLSCUKHFW-UHFFFAOYSA-N 0.000 claims description 4
- XKTYXVDYIKIYJP-UHFFFAOYSA-N 3h-dioxole Chemical compound C1OOC=C1 XKTYXVDYIKIYJP-UHFFFAOYSA-N 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 4
- 238000001471 micro-filtration Methods 0.000 claims description 4
- 238000001728 nano-filtration Methods 0.000 claims description 4
- 238000000108 ultra-filtration Methods 0.000 claims description 4
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 claims description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 3
- 239000000178 monomer Substances 0.000 claims description 3
- 238000001223 reverse osmosis Methods 0.000 claims description 3
- MIZLGWKEZAPEFJ-UHFFFAOYSA-N 1,1,2-trifluoroethene Chemical group FC=C(F)F MIZLGWKEZAPEFJ-UHFFFAOYSA-N 0.000 claims description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 claims description 2
- 239000004793 Polystyrene Substances 0.000 claims description 2
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 2
- 125000004432 carbon atom Chemical group C* 0.000 claims description 2
- 238000005119 centrifugation Methods 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 150000002170 ethers Chemical class 0.000 claims description 2
- 238000011049 filling Methods 0.000 claims description 2
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 claims description 2
- 239000012510 hollow fiber Substances 0.000 claims description 2
- 239000011261 inert gas Substances 0.000 claims description 2
- -1 perfluoroalkyl vinyl ethers Chemical class 0.000 claims description 2
- 238000000614 phase inversion technique Methods 0.000 claims description 2
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 2
- 239000004417 polycarbonate Substances 0.000 claims description 2
- 229920000515 polycarbonate Polymers 0.000 claims description 2
- 230000000379 polymerizing effect Effects 0.000 claims description 2
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 2
- 229920002223 polystyrene Polymers 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 229920001169 thermoplastic Polymers 0.000 claims description 2
- 239000004416 thermosoftening plastic Substances 0.000 claims description 2
- 101100400378 Mus musculus Marveld2 gene Proteins 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000005855 radiation Effects 0.000 claims 1
- 239000000243 solution Substances 0.000 description 35
- 239000010408 film Substances 0.000 description 26
- 229920001577 copolymer Polymers 0.000 description 16
- 230000003287 optical effect Effects 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 9
- 230000035699 permeability Effects 0.000 description 9
- YSYRISKCBOPJRG-UHFFFAOYSA-N 4,5-difluoro-2,2-bis(trifluoromethyl)-1,3-dioxole Chemical compound FC1=C(F)OC(C(F)(F)F)(C(F)(F)F)O1 YSYRISKCBOPJRG-UHFFFAOYSA-N 0.000 description 5
- 239000010702 perfluoropolyether Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- ABADUMLIAZCWJD-UHFFFAOYSA-N 1,3-dioxole Chemical class C1OC=CO1 ABADUMLIAZCWJD-UHFFFAOYSA-N 0.000 description 3
- 239000000356 contaminant Substances 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- RVZRBWKZFJCCIB-UHFFFAOYSA-N perfluorotributylamine Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)N(C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F RVZRBWKZFJCCIB-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- GBOMEIMCQWMHGB-UHFFFAOYSA-N 2-butyltetrahydrofuran Chemical compound CCCCC1CCCO1 GBOMEIMCQWMHGB-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000005345 coagulation Methods 0.000 description 2
- 230000015271 coagulation Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- LGUZHRODIJCVOC-UHFFFAOYSA-N perfluoroheptane Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F LGUZHRODIJCVOC-UHFFFAOYSA-N 0.000 description 2
- 239000012466 permeate Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000009864 tensile test Methods 0.000 description 2
- 229920004459 Kel-F® PCTFE Polymers 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 239000006117 anti-reflective coating Substances 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229920005548 perfluoropolymer Polymers 0.000 description 1
- 229920002493 poly(chlorotrifluoroethylene) Polymers 0.000 description 1
- 239000005023 polychlorotrifluoroethylene (PCTFE) polymer Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000575 polymersome Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000012465 retentate Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910021642 ultra pure water Inorganic materials 0.000 description 1
- 239000012498 ultrapure water Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
Classifications
-
- 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
- B01D71/44—Polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of groups B01D71/26-B01D71/42
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F214/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen
- C08F214/18—Monomers containing fluorine
- C08F214/26—Tetrafluoroethene
- C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F34/00—Homopolymers and copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain and having one or more carbon-to-carbon double bonds in a heterocyclic ring
- C08F34/02—Homopolymers and copolymers of cyclic compounds having no unsaturated aliphatic radicals in a side chain and having one or more carbon-to-carbon double bonds in a heterocyclic ring in a ring containing oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Moulding By Coating Moulds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ITMI981506 | 1998-06-30 | ||
| IT98MI001506A ITMI981506A1 (it) | 1998-06-30 | 1998-06-30 | Manufatti di fluoropolimeri amorfi |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69919634D1 DE69919634D1 (de) | 2004-09-30 |
| DE69919634T2 true DE69919634T2 (de) | 2005-09-22 |
Family
ID=11380359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE69919634T Expired - Lifetime DE69919634T2 (de) | 1998-06-30 | 1999-06-23 | Hergestellte Artikel aus amorphen Fluoropolymeren |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6469116B2 (enExample) |
| EP (1) | EP0969025B1 (enExample) |
| JP (1) | JP2000053780A (enExample) |
| DE (1) | DE69919634T2 (enExample) |
| IT (1) | ITMI981506A1 (enExample) |
Families Citing this family (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6540813B2 (en) | 2000-06-13 | 2003-04-01 | Praxair Technology, Inc. | Method of preparing composite gas separation membranes from perfluoropolymers |
| DE60221066T2 (de) | 2001-05-07 | 2008-03-13 | Solvay Solexis S.P.A. | Amorphe perfluorierte Polymere |
| ITMI20010921A1 (it) | 2001-05-07 | 2002-11-07 | Ausimont Spa | Polimeri (per)fluorurati amorfi |
| JP2004536171A (ja) * | 2001-05-14 | 2004-12-02 | イー・アイ・デュポン・ドウ・ヌムール・アンド・カンパニー | 紫外線及び真空紫外線の透明性を必要とする適用での部分フッ素化ポリマーの使用 |
| US7129009B2 (en) * | 2002-05-14 | 2006-10-31 | E. I. Du Pont De Nemours And Company | Polymer-liquid compositions useful in ultraviolet and vacuum ultraviolet uses |
| US6723152B2 (en) | 2002-07-01 | 2004-04-20 | Praxair Technology, Inc. | Gas separation using membranes formed from blends of perfluorinated polymers |
| CA2510864C (en) * | 2002-12-20 | 2013-01-22 | Exxonmobil Chemical Patents Inc. | Polymers substantially free of long chain branching |
| US7425601B2 (en) | 2002-12-20 | 2008-09-16 | Exxonmobil Chemical Patents Inc. | Polymers with new sequence distributions |
| US7723447B2 (en) * | 2002-12-20 | 2010-05-25 | Exxonmobil Chemical Patents Inc. | Polymerization processes |
| WO2004058828A1 (en) * | 2002-12-20 | 2004-07-15 | Exxonmobil Chemical Patents Inc. | Polymerization processes |
| US7479227B2 (en) * | 2003-03-07 | 2009-01-20 | Membrane Technology And Research, Inc. | Liquid-phase separation of low molecular weight organic compounds |
| ITMI20030774A1 (it) * | 2003-04-15 | 2004-10-16 | Solvay Solexis Spa | Polimeri perfluorurati. |
| ITMI20030773A1 (it) * | 2003-04-15 | 2004-10-16 | Solvay Solexis Spa | Polimeri perfluorurati amorfi. |
| US7713331B2 (en) * | 2003-11-05 | 2010-05-11 | Rheodyne, Llc | Axial transfer line degassing |
| US6949132B2 (en) * | 2003-11-05 | 2005-09-27 | Systel, Llc | Axial degassing transfer lines |
| US7662892B2 (en) | 2004-06-21 | 2010-02-16 | Exxonmobil Chemical Patents Inc. | Impact copolymers |
| WO2006009951A1 (en) * | 2004-06-21 | 2006-01-26 | Exxonmobil Chemical Patents Inc. | Polymer recovery method |
| WO2006083303A1 (en) * | 2004-06-21 | 2006-08-10 | Exxonmobil Chemical Patents Inc. | Polymerization process |
| WO2006009942A1 (en) * | 2004-06-21 | 2006-01-26 | Exxonmobil Chemical Patents Inc. | Polymerization process |
| US7317927B2 (en) * | 2004-11-05 | 2008-01-08 | Wirelesswerx International, Inc. | Method and system to monitor persons utilizing wireless media |
| US7881733B2 (en) * | 2004-11-05 | 2011-02-01 | Wirelesswerx International, Inc. | Method and system to monitor and control devices utilizing wireless media |
| US7489939B2 (en) * | 2005-04-13 | 2009-02-10 | Wirelesswerx International, Inc. | Method and system for providing location updates |
| US20060234727A1 (en) * | 2005-04-13 | 2006-10-19 | Wirelesswerx International, Inc. | Method and System for Initiating and Handling an Emergency Call |
| US7684782B2 (en) * | 2005-04-13 | 2010-03-23 | Wirelesswerx International, Inc. | Method and system for initiating and handling an emergency call utilizing geographical zones |
| US7799882B2 (en) * | 2005-06-20 | 2010-09-21 | Exxonmobil Chemical Patents Inc. | Polymerization process |
| DE102006007868A1 (de) * | 2006-02-17 | 2007-08-30 | Boehringer Ingelheim Microparts Gmbh | Membranaufbau zur Gasabscheidung, Entgasungsvorrichtung mit einem derartigen Membranaufbau sowie Verfahren zur Herstellung |
| KR101462698B1 (ko) | 2007-03-07 | 2014-11-17 | 와이어리스웍스 인터내셔널, 인크. | 영역 특정 메시징을 제공하기 위한 방법 및 시스템 |
| US8315203B2 (en) | 2007-08-30 | 2012-11-20 | Wirelesswerx International, Inc. | Mapping in a multi-dimensional space |
| WO2013039967A1 (en) | 2011-09-12 | 2013-03-21 | Idex Health & Science Llc | Supersaturated fluid degassing |
| WO2013119796A1 (en) | 2012-02-09 | 2013-08-15 | Dow Corning Corporation | Gradient polymer structures and methods |
| EP3607033A1 (en) * | 2017-04-03 | 2020-02-12 | Solvay Specialty Polymers Italy S.p.A. | Working fluid compositions |
| JP2022117348A (ja) * | 2021-01-29 | 2022-08-10 | 日東電工株式会社 | プラスチック光ファイバーおよびその製造方法 |
Family Cites Families (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2242218A (en) | 1936-08-14 | 1941-05-20 | Auer Laszlo | Sizing textiles |
| US3665041A (en) | 1967-04-04 | 1972-05-23 | Montedison Spa | Perfluorinated polyethers and process for their preparation |
| US3978030A (en) * | 1973-08-01 | 1976-08-31 | E. I. Du Pont De Nemours And Company | Polymers of fluorinated dioxoles |
| US4754009A (en) * | 1981-08-20 | 1988-06-28 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
| US4948851A (en) | 1981-08-20 | 1990-08-14 | E. I. Du Pont De Nemours And Company | Amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
| US4530569A (en) * | 1981-08-20 | 1985-07-23 | E. I. Du Pont De Nemours And Company | Optical fibers comprising cores clad with amorphous copolymers of perfluoro-2,2-dimethyl-1,3-dioxole |
| US4565855A (en) * | 1981-09-28 | 1986-01-21 | E. I. Du Pont De Nemours And Company | Polymers of dioxolanes |
| DE3485616D1 (de) | 1983-12-26 | 1992-05-07 | Daikin Ind Ltd | Verfahren zur herstellung von halogen enthaltenden polyathern |
| IT1188635B (it) | 1986-03-27 | 1988-01-20 | Ausimont Spa | Lubrificanti per fluoropolieterei interni per mezzi magnetici di registrazione |
| US4954271A (en) | 1988-10-06 | 1990-09-04 | Tag Investments, Inc. | Non-toxic fire extinguishant |
| ES2071668T3 (es) | 1988-12-13 | 1995-07-01 | Beecham Group Plc | Benzopirano y compuestos relacionados. |
| AU5830090A (en) | 1989-06-15 | 1991-01-08 | Du Pont Canada Inc. | Perfluorodioxole membranes |
| US5061024C1 (en) | 1989-09-06 | 2002-02-26 | Dupont Photomasks Inc | Amorphous fluoropolymer pellicle films |
| IT1264662B1 (it) * | 1993-07-05 | 1996-10-04 | Ausimont Spa | Perflurodiossoli loro omopolimeri e copolimeri e loro impiego per il rivestimento di cavi elettrici |
| EP0752900A1 (en) | 1994-03-28 | 1997-01-15 | Great Lakes Chemical Corporation | Ozone friendly fire extinguishing methods and compositions |
| IT1282378B1 (it) * | 1996-04-24 | 1998-03-20 | Ausimont Spa | Perfluoroelastomeri a base di diossoli |
| IT1284112B1 (it) * | 1996-07-05 | 1998-05-08 | Ausimont Spa | Copolimeri fluorurati dell'etilene |
| US5914154A (en) * | 1997-05-30 | 1999-06-22 | Compact Membrane Systems, Inc. | Non-porous gas permeable membrane |
| US6507688B1 (en) * | 1997-12-15 | 2003-01-14 | Gunther Nath | Light guide with a liquid core |
| US5960777A (en) * | 1998-02-20 | 1999-10-05 | Compact Membrane Systems, Inc. | Combustion engine air supply system |
-
1998
- 1998-06-30 IT IT98MI001506A patent/ITMI981506A1/it unknown
-
1999
- 1999-06-23 DE DE69919634T patent/DE69919634T2/de not_active Expired - Lifetime
- 1999-06-23 EP EP99112081A patent/EP0969025B1/en not_active Expired - Lifetime
- 1999-06-28 US US09/340,137 patent/US6469116B2/en not_active Expired - Lifetime
- 1999-06-28 JP JP11181882A patent/JP2000053780A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000053780A (ja) | 2000-02-22 |
| US20020065383A1 (en) | 2002-05-30 |
| EP0969025B1 (en) | 2004-08-25 |
| DE69919634D1 (de) | 2004-09-30 |
| US6469116B2 (en) | 2002-10-22 |
| ITMI981506A1 (it) | 1999-12-30 |
| EP0969025A1 (en) | 2000-01-05 |
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