DE69311639D1 - Thermische Behandlung von Siliziumhydrid enthaltenden Materialen in einer Stickstoffoxyd-Atmosphäre - Google Patents

Thermische Behandlung von Siliziumhydrid enthaltenden Materialen in einer Stickstoffoxyd-Atmosphäre

Info

Publication number
DE69311639D1
DE69311639D1 DE69311639T DE69311639T DE69311639D1 DE 69311639 D1 DE69311639 D1 DE 69311639D1 DE 69311639 T DE69311639 T DE 69311639T DE 69311639 T DE69311639 T DE 69311639T DE 69311639 D1 DE69311639 D1 DE 69311639D1
Authority
DE
Germany
Prior art keywords
thermal treatment
nitrogen oxide
containing silicon
materials containing
silicon hydride
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
DE69311639T
Other languages
English (en)
Other versions
DE69311639T2 (de
Inventor
David Stephen Ballance
Marie Norton Eckstein
Mark John Loboda
Keith Winton Michael
Liberty Belle Shelton
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.)
Dow Silicones Corp
Original Assignee
Dow Corning Corp
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 Dow Corning Corp filed Critical Dow Corning Corp
Application granted granted Critical
Publication of DE69311639D1 publication Critical patent/DE69311639D1/de
Publication of DE69311639T2 publication Critical patent/DE69311639T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
    • H01L21/4803—Insulating or insulated parts, e.g. mountings, containers, diamond heatsinks
    • H01L21/481—Insulating layers on insulating parts, with or without metallisation
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/4505—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application
    • C04B41/455—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application the coating or impregnating process including a chemical conversion or reaction
    • C04B41/4554—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements characterised by the method of application the coating or impregnating process including a chemical conversion or reaction the coating or impregnating material being an organic or organo-metallic precursor of an inorganic material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5025—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with ceramic materials
    • C04B41/5035—Silica
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
    • H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
    • H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
    • H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
    • H01L21/02214—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and oxygen
    • H01L21/02216—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and oxygen the compound being a molecule comprising at least one silicon-oxygen bond and the compound having hydrogen or an organic group attached to the silicon or oxygen, e.g. a siloxane
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
    • H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
    • H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
    • H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
    • H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
    • H01L21/314—Inorganic layers
    • H01L21/316—Inorganic layers composed of oxides or glassy oxides or oxide based glass
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
    • H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
    • H01L23/293—Organic, e.g. plastic
    • H01L23/296—Organo-silicon compounds
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00844—Uses not provided for elsewhere in C04B2111/00 for electronic applications
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Structural Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Formation Of Insulating Films (AREA)
  • Paints Or Removers (AREA)
  • Silicon Compounds (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
DE69311639T 1992-07-13 1993-07-08 Thermische Behandlung von Siliziumhydrid enthaltenden Materialen in einer Stickstoffoxyd-Atmosphäre Expired - Fee Related DE69311639T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91243692A 1992-07-13 1992-07-13
US07/994,225 US5436029A (en) 1992-07-13 1992-12-21 Curing silicon hydride containing materials by exposure to nitrous oxide

Publications (2)

Publication Number Publication Date
DE69311639D1 true DE69311639D1 (de) 1997-07-24
DE69311639T2 DE69311639T2 (de) 1998-01-22

Family

ID=27129600

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69311639T Expired - Fee Related DE69311639T2 (de) 1992-07-13 1993-07-08 Thermische Behandlung von Siliziumhydrid enthaltenden Materialen in einer Stickstoffoxyd-Atmosphäre

Country Status (7)

Country Link
US (1) US5436029A (de)
EP (1) EP0579456B1 (de)
JP (1) JP3298990B2 (de)
KR (1) KR100251819B1 (de)
CA (1) CA2100278A1 (de)
DE (1) DE69311639T2 (de)
TW (1) TW252054B (de)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5380555A (en) * 1993-02-09 1995-01-10 Dow Corning Toray Silicone Co., Ltd. Methods for the formation of a silicon oxide film
US5547703A (en) * 1994-04-11 1996-08-20 Dow Corning Corporation Method of forming si-o containing coatings
US5508238A (en) * 1995-05-11 1996-04-16 Dow Corning Corporation Monolithic ceramic bodies using modified hydrogen silsesquioxane resin
US5609925A (en) * 1995-12-04 1997-03-11 Dow Corning Corporation Curing hydrogen silsesquioxane resin with an electron beam
US5707683A (en) * 1996-02-22 1998-01-13 Dow Corning Corporation Electronic coating composition method of coating an electronic substrate, composition and article
US5707681A (en) * 1997-02-07 1998-01-13 Dow Corning Corporation Method of producing coatings on electronic substrates
US6218497B1 (en) 1997-04-21 2001-04-17 Alliedsignal Inc. Organohydridosiloxane resins with low organic content
US6143855A (en) * 1997-04-21 2000-11-07 Alliedsignal Inc. Organohydridosiloxane resins with high organic content
US6015457A (en) * 1997-04-21 2000-01-18 Alliedsignal Inc. Stable inorganic polymers
US6743856B1 (en) 1997-04-21 2004-06-01 Honeywell International Inc. Synthesis of siloxane resins
US5866197A (en) * 1997-06-06 1999-02-02 Dow Corning Corporation Method for producing thick crack-free coating from hydrogen silsequioxane resin
TW392288B (en) * 1997-06-06 2000-06-01 Dow Corning Thermally stable dielectric coatings
DE19756325A1 (de) * 1997-12-18 1999-07-01 Daimler Chrysler Ag Halbleiterscheibe mit integrierten Einzelbauelementen, Verfahren und Vorrichtung zur Herstellung einer Halbleiterscheibe
US6177199B1 (en) 1999-01-07 2001-01-23 Alliedsignal Inc. Dielectric films from organohydridosiloxane resins with low organic content
US6218020B1 (en) * 1999-01-07 2001-04-17 Alliedsignal Inc. Dielectric films from organohydridosiloxane resins with high organic content
KR100371436B1 (ko) * 1999-07-30 2003-02-07 이형찬 자동 또는 수동으로 채널 선택이 가능한 무선 헤드폰
US6472076B1 (en) 1999-10-18 2002-10-29 Honeywell International Inc. Deposition of organosilsesquioxane films
US6440550B1 (en) 1999-10-18 2002-08-27 Honeywell International Inc. Deposition of fluorosilsesquioxane films
SE521977C2 (sv) * 2002-06-20 2003-12-23 Mobile Media Group Stockholm A Metod och apparat för att formatera en webbtjänst
JP2008547194A (ja) * 2005-06-15 2008-12-25 ダウ・コーニング・コーポレイション 水素シルセスキオキサンを硬化させていき、ナノスケールのトレンチ中において密にさせる方法
JP5043317B2 (ja) * 2005-08-05 2012-10-10 東レ・ダウコーニング株式会社 環状ジハイドロジェンポリシロキサン、ハイドロジェンポリシロキサン、それらの製造方法、シリカ系ガラス成形体およびその製造方法、光学素子およびその製造方法
JP4783117B2 (ja) * 2005-10-21 2011-09-28 東レ・ダウコーニング株式会社 シリカ系ガラス薄層付き無機質基板、その製造方法、コーテイング剤および半導体装置
JP2008260917A (ja) * 2007-03-16 2008-10-30 Jsr Corp 膜形成用組成物およびシリカ系膜とその形成方法
JP2008260918A (ja) * 2007-03-16 2008-10-30 Jsr Corp 膜形成用組成物およびシリカ系膜とその形成方法
WO2008114835A1 (ja) * 2007-03-16 2008-09-25 Jsr Corporation 膜形成用組成物およびシリ力系膜とその形成方法
JP5313478B2 (ja) * 2007-10-05 2013-10-09 東レ・ダウコーニング株式会社 セラミック状酸化ケイ素系被膜の形成方法、セラミック状酸化ケイ素系被膜を有する無機質基材の製造方法、セラミック状酸化ケイ素系被膜形成剤および半導体装置
JPWO2009096603A1 (ja) * 2008-02-01 2011-05-26 Jsr株式会社 トレンチアイソレーションの形成方法
KR100963224B1 (ko) * 2009-02-03 2010-06-10 (주) 더몰론코리아 물 또는 공기 중에서 겸용 사용이 가능한 세라믹 코팅 히터
KR101236491B1 (ko) 2011-03-08 2013-02-22 (주)우드케어 상온에서 경화가 가능한 세라믹 도료 조성물
US9741918B2 (en) 2013-10-07 2017-08-22 Hypres, Inc. Method for increasing the integration level of superconducting electronics circuits, and a resulting circuit

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3615272A (en) * 1968-11-04 1971-10-26 Dow Corning Condensed soluble hydrogensilsesquioxane resin
JPS6377139A (ja) * 1986-09-19 1988-04-07 Fujitsu Ltd 絶縁膜の形成方法
US4756977A (en) * 1986-12-03 1988-07-12 Dow Corning Corporation Multilayer ceramics from hydrogen silsesquioxane
US4847162A (en) * 1987-12-28 1989-07-11 Dow Corning Corporation Multilayer ceramics coatings from the ceramification of hydrogen silsequioxane resin in the presence of ammonia
US4999397A (en) * 1989-07-28 1991-03-12 Dow Corning Corporation Metastable silane hydrolyzates and process for their preparation
US5010159A (en) * 1989-09-01 1991-04-23 Dow Corning Corporation Process for the synthesis of soluble, condensed hydridosilicon resins containing low levels of silanol
US5262201A (en) * 1990-06-04 1993-11-16 Dow Corning Corporation Low temperature process for converting silica precursor coatings to ceramic silica coatings by exposure to ammonium hydroxide or an environment to which water vapor and ammonia vapor have been added
US5116637A (en) * 1990-06-04 1992-05-26 Dow Corning Corporation Amine catalysts for the low temperature conversion of silica precursors to silica
US5059448A (en) * 1990-06-18 1991-10-22 Dow Corning Corporation Rapid thermal process for obtaining silica coatings
US5063267A (en) * 1990-11-28 1991-11-05 Dow Corning Corporation Hydrogen silsesquioxane resin fractions and their use as coating materials
US5145723A (en) * 1991-06-05 1992-09-08 Dow Corning Corporation Process for coating a substrate with silica

Also Published As

Publication number Publication date
DE69311639T2 (de) 1998-01-22
EP0579456A2 (de) 1994-01-19
JP3298990B2 (ja) 2002-07-08
US5436029A (en) 1995-07-25
KR100251819B1 (ko) 2000-04-15
CA2100278A1 (en) 1994-01-14
EP0579456A3 (de) 1994-04-20
KR940005519A (ko) 1994-03-21
EP0579456B1 (de) 1997-06-18
TW252054B (de) 1995-07-21
JPH06191970A (ja) 1994-07-12

Similar Documents

Publication Publication Date Title
DE69311639D1 (de) Thermische Behandlung von Siliziumhydrid enthaltenden Materialen in einer Stickstoffoxyd-Atmosphäre
GB8907898D0 (en) Semiconductor devices and fabrication thereof
DE69332335D1 (de) Über silizium epitaktische aufgewachsene dünne kubische metalloxydschicht
DE69325343D1 (de) Halbleiteranordnung und Herstellungsverfahren dafür
EP0229362A3 (en) Semiconductor device and method of fabrication
DE69308590T2 (de) Amidoperoxysäurehaltiges reinigungs- und bleichmittel
EP0427930A3 (en) Monolithic silicon membrane device and fabrication process therefor
DE69409564D1 (de) Halbleiterlaser und Modulationsverfahren
DE69422700T2 (de) Waferhalteplatte und hebevorrichtung
DE69311690T2 (de) Thermische Behandlung von Kiezelvorprodukten in einer Distickstoffmonoxyd-Atmosphäre
FI945732A (fi) Vaahtoa hillitsevä koostumus, joka sisältää silikonia ja piidioksidia
DK175088D0 (da) Aluminiumoxid- og zirconiumoxidholdige keramiske materialer
DE69032560D1 (de) Monochlor-tetrafluoräthan und äthylenoxid enthaltende sterilisierungsgaszusammensetzung
DE69031522T2 (de) Paket-Konzentrator und Vermittlungssystem
IT1190620B (it) Dispositivo per il trasferimento e contemporaneo ribaltamento di articoli
DE69319317T2 (de) Halbleiterlaser und Herstellungsverfahren
DE69313628T2 (de) Ethylenoxid und heptafluoropropan enthaltende sterilisierungsgaszusammensetzung
DE69304346T2 (de) Gasdurchlässige materialen
DE69301862T2 (de) Entfernung von Stickoxiden
DE69311492D1 (de) Silikone enthaltende Dauerwellen-Zusammensetzung
HU9402404D0 (en) Antigens protective against echinococcus granulosus infection and vaccines containing such antigens
US5376581B1 (en) Fabrication of semiconductor laser elements
DE69325474D1 (de) Katalysatorformulierung und Polymerisationsverfahren
DE59303052D1 (de) Bügelförmiger Halte- und Stützgriff
DE59005197D1 (de) Verfahren zur Reinigung von Alkylenoxid enthaltendem Abgas und Vorrichtungen zur Durchführung des Verfahrens.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee