DE69606243T2 - Verfahren zur herstellung von fällungskieselsäure, aluminium-enthaltende fällungskieselsäuren und deren verwendung zur verstärkung von elastomeren - Google Patents

Verfahren zur herstellung von fällungskieselsäure, aluminium-enthaltende fällungskieselsäuren und deren verwendung zur verstärkung von elastomeren

Info

Publication number
DE69606243T2
DE69606243T2 DE69606243T DE69606243T DE69606243T2 DE 69606243 T2 DE69606243 T2 DE 69606243T2 DE 69606243 T DE69606243 T DE 69606243T DE 69606243 T DE69606243 T DE 69606243T DE 69606243 T2 DE69606243 T2 DE 69606243T2
Authority
DE
Germany
Prior art keywords
falling silicon
aluminum
silicon
producing
falling
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
Application number
DE69606243T
Other languages
English (en)
Other versions
DE69606243D1 (de
Inventor
Yves Bomal
Yvonick Chevallier
Philippe Cochet
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.)
Rhodia Chimie SAS
Original Assignee
Rhodia Chimie SAS
Rhone Poulenc Chimie SA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9477536&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69606243(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Rhodia Chimie SAS, Rhone Poulenc Chimie SA filed Critical Rhodia Chimie SAS
Application granted granted Critical
Publication of DE69606243D1 publication Critical patent/DE69606243D1/de
Publication of DE69606243T2 publication Critical patent/DE69606243T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/28—Compounds of silicon
    • C09C1/30—Silicic acid
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/18—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof
    • C01B33/187—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates
    • C01B33/193—Preparation of finely divided silica neither in sol nor in gel form; After-treatment thereof by acidic treatment of silicates of aqueous solutions of silicates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2002/00—Crystal-structural characteristics
    • C01P2002/50—Solid solutions
    • C01P2002/52—Solid solutions containing elements as dopants
    • C01P2002/54—Solid solutions containing elements as dopants one element only
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/30—Particle morphology extending in three dimensions
    • C01P2004/32—Spheres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/50—Agglomerated particles
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/60—Particles characterised by their size
    • C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/12—Surface area
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/14—Pore volume
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/16—Pore diameter
    • C01P2006/17—Pore diameter distribution
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/19—Oil-absorption capacity, e.g. DBP values
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2006/00—Physical properties of inorganic compounds
    • C01P2006/80—Compositional purity
DE69606243T 1995-03-29 1996-03-28 Verfahren zur herstellung von fällungskieselsäure, aluminium-enthaltende fällungskieselsäuren und deren verwendung zur verstärkung von elastomeren Expired - Lifetime DE69606243T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9503675A FR2732329B1 (fr) 1995-03-29 1995-03-29 Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant de l'aluminium et leur utilisation au renforcement des elastomeres
PCT/FR1996/000463 WO1996030303A1 (fr) 1995-03-29 1996-03-28 Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant de l'aluminium et leur utilisation au renforcement des elastomeres

Publications (2)

Publication Number Publication Date
DE69606243D1 DE69606243D1 (de) 2000-02-24
DE69606243T2 true DE69606243T2 (de) 2000-08-24

Family

ID=9477536

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69606243T Expired - Lifetime DE69606243T2 (de) 1995-03-29 1996-03-28 Verfahren zur herstellung von fällungskieselsäure, aluminium-enthaltende fällungskieselsäuren und deren verwendung zur verstärkung von elastomeren

Country Status (21)

Country Link
US (2) US5876494A (de)
EP (1) EP0762992B1 (de)
JP (1) JP3304096B2 (de)
KR (1) KR100244061B1 (de)
CN (1) CN1053877C (de)
AR (1) AR001454A1 (de)
AT (1) ATE188951T1 (de)
AU (1) AU708040B2 (de)
BR (1) BR9606287A (de)
CA (1) CA2191487C (de)
DE (1) DE69606243T2 (de)
ES (1) ES2141489T3 (de)
FR (1) FR2732329B1 (de)
GR (1) GR3033090T3 (de)
MX (1) MX9605923A (de)
PL (1) PL183872B1 (de)
PT (1) PT762992E (de)
RU (1) RU2136591C1 (de)
TR (1) TR199600956T1 (de)
TW (1) TW374780B (de)
WO (1) WO1996030303A1 (de)

Families Citing this family (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6001322A (en) * 1993-09-29 1999-12-14 Rhone-Poulenc Chimie Precipitated silicas
FR2732328B1 (fr) 1995-03-29 1997-06-20 Rhone Poulenc Chimie Nouveau procede de preparation de silice precipitee, nouvelles silices precipitees contenant de l'aluminium et leur utilisation au renforcement des elastomeres
US6171384B1 (en) * 1998-05-04 2001-01-09 J. M. Huber Corp. High surface area silicate pigment and method
DE19840153A1 (de) * 1998-09-03 2000-04-20 Degussa Fällungskieselsäure
US6649684B1 (en) 1999-08-19 2003-11-18 Ppg Industries Ohio, Inc. Chemically treated fillers and polymeric compositions containing same
US7687107B2 (en) * 1999-08-19 2010-03-30 Ppg Industries Ohio, Inc. Process for producing chemically modified amorphous precipitated silica
US7704552B2 (en) 1999-08-19 2010-04-27 Ppg Industries Ohio, Inc. Process for producing chemically treated amorphous precipitated silica
FR2818966B1 (fr) * 2000-12-28 2003-03-07 Rhodia Chimie Sa Procede de preparation de silice precipitee contenant de l'aluminium
FR2831178B1 (fr) 2001-10-22 2006-04-14 Rhodia Chimie Sa Compositions pigmentaires a base de silice
FR2831179B1 (fr) 2001-10-22 2005-04-15 Rhodia Chimie Sa Procede de preparation en milieu aqueux de compositions pigmentaires a base de silice
FR2833937B1 (fr) * 2001-12-26 2004-11-12 Rhodia Chimie Sa Silices a faible reprise en eau
WO2003067684A2 (en) * 2002-02-07 2003-08-14 Kvg Technologies, Inc. Lead acid battery with gelled electrolyte formed by filtration action of absorbent separators, electrolyte therefor, and absorbent separators therefor
WO2004007366A1 (ja) * 2002-07-10 2004-01-22 Tokuyama Corporation 易分散性沈降シリカのケーク及びその製造方法
NO20040167L (no) * 2004-01-14 2005-07-15 Cod Technologies As Prosess for fremstilling av utfelt silika fra olivin
US8425559B2 (en) * 2004-10-20 2013-04-23 Vertiflex, Inc. Systems and methods for posterior dynamic stabilization of the spine
US8128662B2 (en) * 2004-10-20 2012-03-06 Vertiflex, Inc. Minimally invasive tooling for delivery of interspinous spacer
EP1674520A1 (de) 2004-12-23 2006-06-28 Rhodia Chimie Kautschukzusammensetzung auf Basis von funktionalisierte Butadien-Elastomeren und Höchstdispergierbare Silicas, die Aluminium enthält
FR2891836B1 (fr) * 2005-10-06 2010-12-17 Rhodia Recherches & Tech Silices de surface modifiee par des acides phosphoniques.
US20130178569A1 (en) * 2010-04-01 2013-07-11 Dow Corning Corporation Use of precipitated silica containing aluminium and 3-acryloxy-propyltriethoxysilane in an isoprenic elastomer composition
FR2966833B1 (fr) * 2010-11-03 2012-11-16 Rhodia Operations Utilisation d'une silice precipitee sous forme de granules, ayant une distribution poreuse particuliere, et de 3-acryloxy-propyltriethoxysilane dans une composition d'elastomere(s) isoprenique(s)
FR2966830B1 (fr) 2010-11-03 2012-11-16 Rhodia Operations Utilisation d'une silice precipitee contenant de l'aluminium, d'une silice precipitee et de 3-acryloxy-propyltriethoxysilane dans une composition d'elastomere(s) isoprenique(s)
FR2966832B1 (fr) * 2010-11-03 2012-12-14 Rhodia Operations Utilisation d'une silice precipitee a surface specifique elevee et de 3-acryloxy-propyltriehoxysilane dans une composition d'elastomere(s) isoprenique(s)
FR2985992B1 (fr) * 2012-01-25 2015-03-06 Rhodia Operations Nouveau procede de preparation de silices precitees
FR2988385B1 (fr) * 2012-03-22 2014-05-09 Rhodia Operations Procede de preparation de silice precipitee comprenant une etape de concentration membranaire
FR2994961B1 (fr) * 2012-08-31 2014-10-03 Rhodia Operations Nouveau procede de preparation de silices precipitee, nouvelles silices precipitees et leur utilisations, notamment pour le renforcement de polymeres
FR2994962B1 (fr) * 2012-08-31 2014-12-26 Rhodia Operations Nouveau procede de preparation de silices precitees, nouvelles silices precipitees et leurs utilisations, notamment pour le renforcement de polymeres
FR2994963B1 (fr) 2012-08-31 2014-10-03 Rhodia Operations Nouveau procede de preparation de silices precipitees, nouvelles silices precipitees et leurs utilisations, notamment pour le renforcement de polymeres
JP5868527B2 (ja) * 2013-01-23 2016-02-24 ローディア オペレーションズ 沈澱シリカ製造方法
FR3001971B1 (fr) 2013-02-14 2016-05-27 Rhodia Operations Utilisation d'un acide polycarboxylique lors de la preparation d'une composition d'elastomere(s)
FR3018070B1 (fr) 2014-02-28 2017-09-15 Rhodia Operations Nouveau procede de preparation de silices precipitees, nouvelles silices precipitees et leurs utilisations, notamment pour le renforcement de polymeres
BR112018000959A2 (pt) 2015-07-28 2018-09-18 Rhodia Operations processo para a recuperação de sulfato de sódio
KR102392518B1 (ko) 2016-08-30 2022-05-02 로디아 오퍼레이션스 배터리에서의 사용을 위한 고체-액체 전해질
EP3661764A1 (de) 2017-08-04 2020-06-10 Rhodia Operations Elastomerzusammensetzung mit gefälltem silizium und einem schwefelhaltigen aromatischen polymer
JP7230033B2 (ja) 2017-12-27 2023-02-28 ローディア オペレーションズ シリカ懸濁液
US20200362138A1 (en) 2018-02-01 2020-11-19 Rhodia Operations Silica suspension in an organic solvent and method for its manufacture
CN111566844A (zh) 2018-02-02 2020-08-21 罗地亚经营管理公司 复合电解质
WO2019170694A1 (en) 2018-03-08 2019-09-12 Solvay Sa A process for the preparation of a solid polymer electrolyte useful in batteries
EP3691015A1 (de) 2019-02-01 2020-08-05 Rhodia Operations Elektrolyt
WO2021009550A1 (en) 2019-07-18 2021-01-21 Rhodia Brasil Ltda Preparation of immobilized enzymes
CN115361935A (zh) 2020-03-24 2022-11-18 罗地亚经营管理公司 增白口腔护理组合物
WO2022180133A1 (en) 2021-02-26 2022-09-01 Solvay Specialty Polymers Italy S.P.A. Method for sanitizing or sterilizing the surface of an article having a fluoropolymer coating
CN117203158A (zh) 2021-04-02 2023-12-08 罗地亚经营管理公司 新型二氧化硅、其制备方法及其用途
EP4365230A1 (de) 2022-11-02 2024-05-08 The Goodyear Tire & Rubber Company Mit einem kupplungsmittel und polyethylenglykol behandelte kieselsäure für eine kautschukzusammensetzung

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3967563A (en) * 1973-10-03 1976-07-06 J. M. Huber Corporation Process for producing precipitated thickener silica
JPS5147924A (en) * 1974-10-22 1976-04-24 Matsushita Electric Ind Co Ltd Dodenseitoryono seizohoho
US4040858A (en) * 1974-10-31 1977-08-09 J. M. Huber Corporation Preparation of precipitated silicas having controlled refractive index
AU505536B2 (en) * 1975-03-12 1979-11-22 J.M. Huber Corp. Methods for production and use of siliceous products
JPS521719A (en) * 1975-06-24 1977-01-07 Takeshi Motomura Buoyace type storage tank in water for fire prevention and spread of f ire prevention
FR2536380B1 (fr) * 1982-11-24 1985-12-13 Rhone Poulenc Chim Base Procede pour ameliorer les proprietes rheologiques d'une suspension de silice precipitee
JPS6045692A (ja) * 1983-08-18 1985-03-12 石川島播磨重工業株式会社 パルプ黒液・緑液からのシリカの除去方法
AU578392B2 (en) * 1984-07-31 1988-10-20 Lion Corporation Toothpaste composition containing silica
JPS6217005A (ja) * 1985-07-15 1987-01-26 Showa Denko Kk 高純度ムライト粉末の製造方法
US5286478A (en) * 1987-11-04 1994-02-15 Rhone-Poulenc Chimie Dentifrice-compatible silica particulates
FR2631620B1 (fr) * 1988-05-19 1990-07-27 Rhone Poulenc Chimie Nouvelle silice precipitee absorbante et composition a base de cette s ilice
US5234493A (en) * 1988-11-08 1993-08-10 Rhone-Poulenc Chimie Stable, pumpable aqueous suspensions of precipitated silica particulates
FR2649089B1 (fr) * 1989-07-03 1991-12-13 Rhone Poulenc Chimie Silice a porosite controlee et son procede d'obtention
FR2678259B1 (fr) * 1991-06-26 1993-11-05 Rhone Poulenc Chimie Nouvelles silices precipitees sous forme de granules ou de poudres, procedes de synthese et utilisation au renforcement des elastomeres.
FR2710630B1 (fr) * 1993-09-29 1995-12-29 Rhone Poulenc Chimie Nouvelles silices précipitées, leur procédé de préparation et leur utilisation au renforcement des élastomères.
EP0670813B1 (de) * 1993-09-29 2003-03-12 Rhodia Chimie Fällungskieselsäure
FR2732351B1 (fr) * 1995-03-29 1998-08-21 Michelin & Cie Composition de caoutchouc pour enveloppe de pneumatique renfermant de la silice dopee aluminium a titre de charge renforcante

Also Published As

Publication number Publication date
CA2191487A1 (fr) 1996-10-03
US5876494A (en) 1999-03-02
FR2732329A1 (fr) 1996-10-04
CN1152296A (zh) 1997-06-18
GR3033090T3 (en) 2000-08-31
EP0762992A1 (de) 1997-03-19
PT762992E (pt) 2000-05-31
CA2191487C (fr) 2001-01-16
JP3304096B2 (ja) 2002-07-22
ATE188951T1 (de) 2000-02-15
FR2732329B1 (fr) 1997-06-20
PL317375A1 (en) 1997-04-01
AU708040B2 (en) 1999-07-29
MX9605923A (es) 1998-06-30
BR9606287A (pt) 1997-09-23
WO1996030303A1 (fr) 1996-10-03
RU2136591C1 (ru) 1999-09-10
DE69606243D1 (de) 2000-02-24
PL183872B1 (pl) 2002-07-31
CN1053877C (zh) 2000-06-28
EP0762992B1 (de) 2000-01-19
KR970703277A (ko) 1997-07-03
ES2141489T3 (es) 2000-03-16
AR001454A1 (es) 1997-10-22
JPH10503748A (ja) 1998-04-07
TR199600956T1 (tr) 1997-03-21
TW374780B (en) 1999-11-21
AU5338096A (en) 1996-10-16
KR100244061B1 (ko) 2000-02-01
US6221149B1 (en) 2001-04-24

Similar Documents

Publication Publication Date Title
DE69606243D1 (de) Verfahren zur herstellung von fällungskieselsäure, aluminium-enthaltende fällungskieselsäuren und deren verwendung zur verstärkung von elastomeren
DE69606244T2 (de) Verrfahren zur herstellung von fällungskieselsäure, aluminium-enthaltende fällungskieselsäuren und deren verwendung zur verstärkung von elastomeren
ATE223489T1 (de) Rekombinante hexose oxidase, verfahren zu deren herstellung und verwendung
DE69606069D1 (de) Reaktive kieselsäureteilchen, verfahren zu deren herstellung und deren verwendung
DE59404480D1 (de) Fullerenderivate, verfahren zur herstellung und deren verwendung
DE69606242T2 (de) Verfahren zur herstellung von fällungskieselsäure, zink-enthaltende fällungskieselsäuren und verwendung zur verstärkung von elastomeren
DE69527054T2 (de) Retroreflektierender gegenstand und verfahren zur herstellung
DE69606255D1 (de) Verfahren zur herstellung von fällungskieselsäure, zinkenthaltenden fällungskieselsäuren und deren verwendung zur verstärkung von elastomeren
DE69626315D1 (de) Vorrichtung zur herstellung von polsterelementen und deren verwendung
DE69516424T2 (de) Lamellenschleifscheibe, verfahren und vorrichtung zur herstellung derselben
DE59502879D1 (de) Ausweiskarte und verfahren zu deren herstellung
DE69738525D1 (de) Pilz-antigene und verfahren zu deren herstellung
ATA148194A (de) Verfahren zur herstellung von wasserverdünnbaren urethanharzen und deren verwendung
DE59707078D1 (de) Monoolefinische c 5-mononitrile, verfahren zu ihrer herstellung und ihrer verwendung
DE69511248D1 (de) Polycarbomate, verfahren zur herstellung von polycarbomaten und verfahren zur herstellung von polyisocyanaten
DE69622051D1 (de) Verfahren zur herstellung von 2,4-dihydroxy-pyridin und 2,4-dihydroxy-3-nitropyridin
DE69819737D1 (de) Geschmacksverstärkende n-ethyl-p-menthan-3-carboxamid enthaltende zusammensetzungen und verfahren zu deren herstellung und verwendung
ATA36995A (de) Verfahren zur herstellung und reinigung von l-5-(2-hydroxypropionylamino)-2,4,6-
DE59603431D1 (de) Verfahren zur herstellung von organisch modifizierten aerogelen und deren verwendung
DE69700952T2 (de) Zusammensetzungen für bodenbehandlung, verfahren zu deren herstellung und verwendung
DE69715178D1 (de) Polyorganosiloxane und verfahren zu deren herstellung
DE69620593D1 (de) Hexacyclische camptothecinanaloga und verfahren zu deren herstellung
DE59800928D1 (de) Flachband-lamelle zur verstärkung von bauteilen sowie verfahren zu deren herstellung
DE69825563D1 (de) Amidierten polyacetalen, verfahren zur herstellung und deren verwendung
ATA11995A (de) Sintermagnesia, verfahren und vorrichtung zur herstellung von sintermagnesia sowie deren verwendung

Legal Events

Date Code Title Description
8363 Opposition against the patent
8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE GESTHUYSEN, VON ROHR & EGGERT, 45128

8365 Fully valid after opposition proceedings