KR960701684A - 필터 재료 및 이를 사용하여 기체 및 액체로부터 오존을 제거하는 방법(Filter material, and method of removing ozone from gases and liquids using the filter material) - Google Patents

필터 재료 및 이를 사용하여 기체 및 액체로부터 오존을 제거하는 방법(Filter material, and method of removing ozone from gases and liquids using the filter material)

Info

Publication number
KR960701684A
KR960701684A KR1019950704863A KR19950704863A KR960701684A KR 960701684 A KR960701684 A KR 960701684A KR 1019950704863 A KR1019950704863 A KR 1019950704863A KR 19950704863 A KR19950704863 A KR 19950704863A KR 960701684 A KR960701684 A KR 960701684A
Authority
KR
South Korea
Prior art keywords
filter material
independently
carbon atoms
gas
liquid
Prior art date
Application number
KR1019950704863A
Other languages
English (en)
Inventor
슈트루츠 하인쯔
플라이셔 디트리히
쿨페 위르겐
슐라이허 안드레아스
Original Assignee
짜우너, 루츠
훽스트 아크티엔게젤샤프트
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 짜우너, 루츠, 훽스트 아크티엔게젤샤프트 filed Critical 짜우너, 루츠
Publication of KR960701684A publication Critical patent/KR960701684A/ko

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01JCHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26Synthetic macromolecular compounds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D15/00Separating processes involving the treatment of liquids with solid sorbents; Apparatus therefor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/0031Degasification of liquids by filtration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/46Removing components of defined structure
    • B01D53/66Ozone
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G75/00Macromolecular compounds obtained by reactions forming a linkage containing sulfur with or without nitrogen, oxygen, or carbon in the main chain of the macromolecule
    • C08G75/02Polythioethers
    • C08G75/0204Polyarylenethioethers
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Analytical Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Biomedical Technology (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Treating Waste Gases (AREA)
  • Oxygen, Ozone, And Oxides In General (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
  • Filtering Materials (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)

Abstract

일반식(Ⅰ)의 반복단위를 갖는 폴리아릴렌 티오에테르계 필터 재료는 기체 및 액체로부터 오존을 제거하는데 적합하다.
-[(Arl)n-X]m-[(Ar2)i-Y]j-[(Ar3)k-Z]-[(Ar4)o-W]p- (Ⅰ)
상기식에서, Ar1, Ar2, Ar3, Ar4, W, X, Y 및 Z는 서로 독립적으로 동일하거나, 상이하며, 지수 n, m, i, j, k, l, o 및 p는 서로 독립적으로 0 또는 1 내지 4의 정수이고, 이들의 합은 2이상이어야 하며, Arl, Ar2, Ar3및 Ar4는 탄소수 6 내지 18의 아틸렌 시스템이며, W, X, Y 및 Z는 -SO2-, -S-, -SO-, -CO-, -O-, -CO2- 또는 탄소수 1 내지 6의 알킬렌 그룹 또는 알킬리덴 그룹으로부터 선택되는 2가 결합 그룹이다.
당해 제거반응은 정량적으로 진행되며, 휘발성 생성물은 형성되지 않는다.

Description

필터 재료 및 이를 사용하여 기체 및 액체로부터 오존을 제거하는 방법 (Filter material, and method of removing ozone from gases and liquids using the filter material)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음

Claims (9)

  1. 일반식(Ⅰ)의 반복단위를 갖는 폴리아릴렌 티오에테르로 이루어지는, 기체 및 액체로부터의 오존 제거용 중합체계 필터재료.
    -[(Arl)n-X]m-[(Ar2)i-Y]j-[(Ar3)k-Z]-[(Ar4)o-W]p- (Ⅰ)
    상기식에서, Arl, Ar2, Ar3, Ar4, W, X, Y 및 Z는 서로 독립적으로 동일하거나, 상이하며, 지수 n, m, i, j, k, l, o 및 p는 서로 독립적으로 0 또는 1 내지 4의 정수이고, 이들의 합은 2이상이어야 하며, Arl, Ar2, Ar3및 Ar4는 탄소수 6 내지 18의 아릴렌 시스템이며, W, X, Y 및 Z는 -SO2-, -S-, -SO-, -CO-, -O-, -CO2- 또는 탄소수 1 내지 6의 알킬렌 그룹 또는 알킬리덴 그룹으로부터 선택되는 2가 결합 그룹이다.
  2. 오존 제거 화합물로서 일반식(Ⅰ)의 반복단위를 갖는 폴리아릴렌 티오에테르로부터 제조된 필터를 사용하며, 기체 또는 액체를 필터 재료의 표면과 접촉시킴을 포함하여, 기체 및 액체로부터 오존을 제거하는 방법.
    -[(Arl)n-X]m-[(Ar2)i-Y]j-[(Ar3)k-Z]-[(Ar4)o-W]p- (Ⅰ)
    상기식에서, Arl, Ar2, Ar3, Ar4, W, X, Y 및 Z는 서로 독립적으로 동일하거나, 상이하며, 지수 n, m, i, j, k, l, o 및 p는 서로 독립적으로 0 또는 1 내지 4의 정수이고, 이들의 합은 2이상이어야 하며, Arl, Ar2, Ar3및 Ar4는 탄소수 6 내지 18의 아릴렌 시스템이며, W, X, Y 및 Z는 -SO2-, -S-, -SO-, -CO-, -O-, -CO2- 또는 탄소수 1 내지 6의 알킬렌 그룹 또는 알킬리덴 그룹으로부터 선택되는 2가 결합 그룹이다.
  3. 구조식(Ⅱ)의 반복단위를 갖는 폴리(페닐렌 설파이드)가 사용되는 제1항에서 청구한 필터 재료 또는 제2항에서 청구한 방법.
  4. 평균 분자량이 4,000 내지 200,000인, 제1항에서 청구한 필터 재료 또는 제2항 및 제3항에서 청구한 방법.
  5. 제2항 내지 제4항 중의 어느 한 항에 있어서, 처리온도가 필터 재료로서 사용된 중합체의 연화점 미만인 방법.
  6. 제5항에 있어서, 처리온도가 -10 내지 +80℃, 바람직하게는 0 내지 50℃인 방법.
  7. 제2항 내지 제6항 중의 어느 한 항에 있어서, 처리 시간이 0.1초 내지 10분, 바람직하게는 0.5초 내지 1분인 방법.
  8. 기체 및 액체용 오존 제거 필터를 제조하기 위한, 제1항에서 청구한 필터 재료의 용도.
  9. 제8항에 있어서, 오존 제거 필터가 분말, 섬유, 필름 또는 성형물 형태인 용도.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950704863A 1993-05-04 1994-04-13 필터 재료 및 이를 사용하여 기체 및 액체로부터 오존을 제거하는 방법(Filter material, and method of removing ozone from gases and liquids using the filter material) KR960701684A (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4314734A DE4314734A1 (de) 1993-05-04 1993-05-04 Filtermaterial und Verfahren zur Entfernung von Ozon aus Gasen und Flüssigkeiten
DEP4314734.8 1993-05-04
PCT/EP1994/001146 WO1994025133A1 (de) 1993-05-04 1994-04-13 Filtermaterial und verfahren zur entfernung von ozon aus gasen und flüssigkeiten

Publications (1)

Publication Number Publication Date
KR960701684A true KR960701684A (ko) 1996-03-28

Family

ID=6487152

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950704863A KR960701684A (ko) 1993-05-04 1994-04-13 필터 재료 및 이를 사용하여 기체 및 액체로부터 오존을 제거하는 방법(Filter material, and method of removing ozone from gases and liquids using the filter material)

Country Status (24)

Country Link
US (2) US5423902A (ko)
EP (1) EP0696222B1 (ko)
JP (1) JPH08509416A (ko)
KR (1) KR960701684A (ko)
CN (1) CN1122580A (ko)
AT (1) ATE146093T1 (ko)
AU (1) AU6568494A (ko)
BR (1) BR9406386A (ko)
CA (1) CA2162133A1 (ko)
CZ (1) CZ287195A3 (ko)
DE (2) DE4314734A1 (ko)
DK (1) DK0696222T3 (ko)
ES (1) ES2098136T3 (ko)
FI (1) FI955255A (ko)
GR (1) GR3022184T3 (ko)
HU (1) HUT72474A (ko)
IL (1) IL109520A (ko)
NO (1) NO954306L (ko)
NZ (1) NZ265278A (ko)
PH (1) PH31590A (ko)
PL (1) PL311588A1 (ko)
TR (1) TR28537A (ko)
WO (1) WO1994025133A1 (ko)
ZA (1) ZA943024B (ko)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4402671A1 (de) * 1994-01-29 1995-08-03 Hoechst Ag Leitfähigkeitssensor
DE4425913A1 (de) * 1994-07-21 1996-01-25 Hoechst Ag Verfahren und Filter zur Entfernung von organischen Stoffen und Ozon aus Gasen
DE4428727A1 (de) * 1994-08-15 1996-02-29 Hoechst Ag Filtermaterial und Verfahren zur Entfernung von Halogenen und peroxidhaltigen Verbindungen
EP0697236A1 (de) * 1994-08-15 1996-02-21 Hoechst Aktiengesellschaft Filtermaterial und Verfahren zur Entfernung von Ozon aus Gasen und Flüssigkeiten
DE4429165A1 (de) * 1994-08-17 1996-02-22 Hoechst Ag Filtermaterial und Verfahren zur Entfernung von Ozon aus Gasen und Flüssigkeiten
DE4429164A1 (de) * 1994-08-17 1996-02-22 Hoechst Ag Filtermaterial und Verfahren zur Entfernung von Ozon aus Gasen und Flüssigkeiten
DE4430209A1 (de) * 1994-08-26 1996-02-29 Hoechst Ag Verfahren zur Desodorierung und Sterilisierung von Luft
DE4431139A1 (de) * 1994-09-01 1996-03-07 Hoechst Ag Verfahren zur Ozoneliminierung aus Gasen und Flüssigkeiten
DE4434047A1 (de) * 1994-09-23 1996-05-23 Edwin Probst Vorrichtung zum Entziehen von Ozon aus der Umgebungsluft
WO1996014573A1 (de) * 1994-11-07 1996-05-17 Hoechst Aktiengesellschaft Polymer-sensor
AU695368B2 (en) * 1994-11-08 1998-08-13 Hoechst Aktiengesellschaft Filter material and process for removing components from gas mixtures and liquids
DE4444442A1 (de) * 1994-12-14 1996-06-27 Hoechst Ag Verfahren zur Oberflächenoxidation von Polyarylenthioethern
DE4446495A1 (de) * 1994-12-23 1996-06-27 Hoechst Ag Vernetzte Formmassen aus Polyarylensulfiden und Polyarylensulfoxiden, Verfahren zu ihrer Herstellung und ihre Verwendung
US6006387A (en) 1995-11-30 1999-12-28 Cyclo3Pss Textile Systems, Inc. Cold water ozone disinfection
US5763382A (en) 1996-01-03 1998-06-09 Cyclo3Pss Textile Systems, Inc. Cold water wash formula
JP3980091B2 (ja) * 1996-03-01 2007-09-19 三菱電機株式会社 オゾン貯蔵装置
DE19751239A1 (de) * 1997-11-19 1999-05-20 Ticona Gmbh Oxidation von Polyarylensulfiden
US6504308B1 (en) * 1998-10-16 2003-01-07 Kronos Air Technologies, Inc. Electrostatic fluid accelerator
US6458398B1 (en) 1999-10-18 2002-10-01 Eco Pure Food Safety Systems, Inc. Cold water disinfection of foods
US6937455B2 (en) 2002-07-03 2005-08-30 Kronos Advanced Technologies, Inc. Spark management method and device
US6727657B2 (en) * 2002-07-03 2004-04-27 Kronos Advanced Technologies, Inc. Electrostatic fluid accelerator for and a method of controlling fluid flow
US6919698B2 (en) * 2003-01-28 2005-07-19 Kronos Advanced Technologies, Inc. Electrostatic fluid accelerator for and method of controlling a fluid flow
US6963479B2 (en) * 2002-06-21 2005-11-08 Kronos Advanced Technologies, Inc. Method of and apparatus for electrostatic fluid acceleration control of a fluid flow
US7157704B2 (en) * 2003-12-02 2007-01-02 Kronos Advanced Technologies, Inc. Corona discharge electrode and method of operating the same
US7150780B2 (en) * 2004-01-08 2006-12-19 Kronos Advanced Technology, Inc. Electrostatic air cleaning device
GB2402066B (en) * 2003-05-23 2006-06-07 Bioquell Uk Ltd Apparatus for disinfecting a surface
US8263196B2 (en) 2003-09-25 2012-09-11 Hewlett-Packard Development Company, L.P. Protection of printed images from gasfade
WO2006107390A2 (en) 2005-04-04 2006-10-12 Kronos Advanced Technologies, Inc. An electrostatic fluid accelerator for and method of controlling a fluid flow
US7699911B2 (en) * 2007-05-03 2010-04-20 Honeywell International Inc. Ozone resistant O2/N2 separation membranes
US8112989B1 (en) * 2008-07-23 2012-02-14 Hrl Laboratories, Llc Electrically resistive coating for remediation (regeneration) of a diesel particulate filter and method
DE102010027796A1 (de) * 2010-04-15 2011-10-20 BSH Bosch und Siemens Hausgeräte GmbH Waschmaschine mit einer Gasbeseitigungsvorrichtung und Verfahren zu ihrem Betrieb
EP3177398A4 (en) * 2014-08-08 2018-04-18 Christopher Duke Compositions and methods for reducing atmospheric ozone levels
CN111455614A (zh) * 2020-04-09 2020-07-28 海信(山东)冰箱有限公司 一种滚筒洗衣机

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354129A (en) * 1963-11-27 1967-11-21 Phillips Petroleum Co Production of polymers from aromatic compounds
US3262892A (en) * 1963-11-29 1966-07-26 Gen Electric Substituted polyphenylene ethers
JPS4912894A (ko) * 1972-03-30 1974-02-04
US3919177A (en) * 1973-11-19 1975-11-11 Phillips Petroleum Co P-phenylene sulfide polymers
US4038262A (en) * 1975-05-27 1977-07-26 Phillips Petroleum Company Production of arylene sulfide polymers
US4029639A (en) * 1975-06-30 1977-06-14 Phillips Petroleum Company Treated fabrics and process
JPS555734A (en) * 1978-06-30 1980-01-16 Hitachi Ltd Method and apparatus for removing ozone
SU827132A1 (ru) * 1979-04-12 1981-05-07 Киевское Научно-Производственноеобъединение "Аналитприбор" Всесоюзногонаучно-Исследовательского Институтааналитического Приборостроения Способ очистки кислородсодержащихгАзОВ
US4282347A (en) * 1979-08-14 1981-08-04 Phillips Petroleum Company Preparation of branched polymers of arylene sulfide
US4282437A (en) * 1979-12-17 1981-08-04 Bell Telephone Laboratories, Incorporated Charged particle beam lithography
JPS5881425A (ja) * 1981-11-11 1983-05-16 Matsushita Electric Ind Co Ltd オゾン除去装置
JPS60179115A (ja) * 1984-02-24 1985-09-13 Matsushita Electric Ind Co Ltd オゾン除去装置
JPS60197223A (ja) * 1984-03-19 1985-10-05 Fuji Xerox Co Ltd 電子写真複写機等のオゾン熱分解装置
JPS6359338A (ja) * 1986-08-28 1988-03-15 Nippon Ekishiyou Kk オゾン除去剤
JPS63205123A (ja) * 1987-02-21 1988-08-24 Ricoh Co Ltd オゾン除去装置
CA1331689C (en) * 1987-04-29 1994-08-30 Yuji Noritake Ozone decomposing material and ozone decomposing apparatus using the ozone decomposing material
GB8715530D0 (en) * 1987-07-02 1987-08-12 Ici Plc Microporous products
NL8701598A (nl) * 1987-07-07 1989-02-01 Delair Droogtech & Lucht Gasscheidingsinrichting alsmede werkwijze voor het scheiden van gassen met behulp van een dergelijke inrichting.
JPH01274813A (ja) * 1988-04-25 1989-11-02 Teijin Ltd 濾過材
JPH06104172B2 (ja) * 1988-09-06 1994-12-21 帝人株式会社 ▲ろ▼過布
US4840838A (en) * 1988-09-08 1989-06-20 E. I. Du Pont De Nemours And Company High temperature filter felt
JPH0332711A (ja) * 1989-06-30 1991-02-13 Toyobo Co Ltd フィルターバグ用織物
US5142328A (en) * 1989-08-31 1992-08-25 Mita Industrial Co., Ltd. Coating material for eliminating ozone and electronic image processing apparatus having the same
JP2559872B2 (ja) * 1990-02-21 1996-12-04 帝人株式会社 耐熱性不織布
JP3066903B2 (ja) * 1990-03-22 2000-07-17 日本バイリーン株式会社 オゾン分解用フィルター
US5246474A (en) * 1991-05-04 1993-09-21 British United Shoe Machinery Limited Process for manufacturing a self-supporting filter unit
US5171339A (en) * 1991-11-07 1992-12-15 E. I. Du Pont De Nemours And Company Filter bag for hot gases
JP3032711U (ja) 1996-06-21 1997-01-10 金谷 田中 害鳥威嚇機

Also Published As

Publication number Publication date
IL109520A0 (en) 1994-08-26
NZ265278A (en) 1997-03-24
IL109520A (en) 1998-01-04
US5423902A (en) 1995-06-13
US5593594A (en) 1997-01-14
DE59401273D1 (de) 1997-01-23
AU6568494A (en) 1994-11-21
NO954306D0 (no) 1995-10-27
ZA943024B (en) 1995-01-30
HUT72474A (en) 1996-04-29
EP0696222B1 (de) 1996-12-11
PL311588A1 (en) 1996-02-19
JPH08509416A (ja) 1996-10-08
CN1122580A (zh) 1996-05-15
NO954306L (no) 1995-10-27
TR28537A (tr) 1996-10-01
FI955255A0 (fi) 1995-11-02
DK0696222T3 (da) 1997-06-02
DE4314734A1 (de) 1994-11-10
CA2162133A1 (en) 1994-11-10
ES2098136T3 (es) 1997-04-16
FI955255A (fi) 1995-11-02
WO1994025133A1 (de) 1994-11-10
GR3022184T3 (en) 1997-03-31
PH31590A (en) 1998-11-03
ATE146093T1 (de) 1996-12-15
BR9406386A (pt) 1996-01-16
EP0696222A1 (de) 1996-02-14
CZ287195A3 (en) 1996-06-12

Similar Documents

Publication Publication Date Title
KR960701684A (ko) 필터 재료 및 이를 사용하여 기체 및 액체로부터 오존을 제거하는 방법(Filter material, and method of removing ozone from gases and liquids using the filter material)
KR940019773A (ko) 가요성 사이클로올레핀 공중합체 필름
KR870010115A (ko) 중합체 조성물
ATE143021T1 (de) Alkenyloxyfunktionelle organosiliciumverbindungen, deren herstellung und verwendung
AU4900190A (en) Semipermeable membrane made from a homogeneously miscible polymer blend
FR2640626B1 (fr) Thiophenes substitues, polymeres conducteurs derives de ces thiophenes, procede pour leur obtention et dispositifs contenant ces polymeres
ATE323732T1 (de) Verfahren zur herstellung von polyarylensulfiden
MY130289A (en) Piezoelectric gas sensor
KR890000596A (ko) 폴리이미드 수지조성물
JPS60177027A (ja) イオン架橋されたシロキサン重合体の解離法
DK256088D0 (da) Polymerpartikler med implanterede amfiphile molekyler og fremgangsmaade til fremstilling af saadanne partikler
FI943883A0 (fi) Organopolysiloksaaniseos liimaa hylkivien organopolysiloksaanikalvojen valmistamiseksi
TW355714B (en) Process for surface oxidation of polyarylene thioethers
IE821422L (en) Acid halide and acyllactam functional materials.
MX9701198A (es) Mezclas de polimero cristalinos liquidos y sulfoxidos de poliarileno, espumas hechas de estas mezclas, procedimientos para su produccion y uso de las mismas.
DE69002356D1 (de) Mischungen von polyarylensulfid und mit diphenylaether modifiziertem copolyarylensulfid.
KR960703668A (ko) 기체 및 액체로부터 질소 산화물을 제거하기 위한 여과제 재료 및 방법(Filter material and a method of removing nitrogen oxides from gases and liquids)
KR960006977A (ko) 기체 및 액체로부터 오존을 제거하기 위한 여과재료 및 방법
RU95122618A (ru) Фильтрующий материал и способ удаления озона из газов и жидкостей
KR930004399A (ko) 실록산 폴리에테르이미드 공중합체용 비할로겐화 난연제로서 유용한 이산화 티탄 및 붕산아연
Bruma et al. Poly (ester-amide) s containing hexafluoroisopropylidene groups
RU96108247A (ru) Фильтровальный материал и способ очистки газов и жидкостей от окислов азота
KR910005332A (ko) 폴리(페닐렌 술피드 케톤)강자성 물질

Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid