EP1182167A1 - Silica prepared pyrogenically - Google Patents

Silica prepared pyrogenically

Info

Publication number
EP1182167A1
EP1182167A1 EP00117922.5A EP00117922A EP1182167A1 EP 1182167 A1 EP1182167 A1 EP 1182167A1 EP 00117922 A EP00117922 A EP 00117922A EP 1182167 A1 EP1182167 A1 EP 1182167A1
Authority
EP
European Patent Office
Prior art keywords
silica prepared
prepared pyrogenically
pyrogenically
silica
prepared
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.)
Pending
Application number
EP00117922.5A
Other languages
German (de)
French (fr)
Inventor
Dr. Monika Oswald
Dr. Gerrit Schneider
Dr. Klaus Deller
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.)
Evonik Operations GmbH
Original Assignee
Degussa GmbH
Filing date
Publication date
Application filed by Degussa GmbH filed Critical Degussa GmbH
Priority to US09/931,161 priority Critical patent/US6679945B2/en
Priority to EP20010710041 priority patent/EP1182168B1/en
Priority to AT01710041T priority patent/ATE266602T1/en
Priority to DE50102242T priority patent/DE50102242D1/en
Priority to JP2001250768A priority patent/JP3919482B2/en
Publication of EP1182167A1 publication Critical patent/EP1182167A1/en
Priority to US10/730,221 priority patent/US6890873B2/en
Pending legal-status Critical Current

Links

EP00117922.5A 2000-08-21 2000-08-21 Silica prepared pyrogenically Pending EP1182167A1 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
US09/931,161 US6679945B2 (en) 2000-08-21 2001-08-17 Pyrogenically prepared silicon dioxide
EP20010710041 EP1182168B1 (en) 2000-08-21 2001-08-20 Pyrogenically produced silicon dioxide
AT01710041T ATE266602T1 (en) 2000-08-21 2001-08-20 PYROGENELY PRODUCED SILICON DIOXIDE
DE50102242T DE50102242D1 (en) 2000-08-21 2001-08-20 Fumed silica
JP2001250768A JP3919482B2 (en) 2000-08-21 2001-08-21 Silicon dioxide produced by pyrolysis method for producing glass body, method for producing silicon dioxide, and dispersion containing the silicon dioxide
US10/730,221 US6890873B2 (en) 2000-08-21 2003-12-08 Glass prepared from pyrogenically prepared silicon dioxide

Publications (1)

Publication Number Publication Date
EP1182167A1 true EP1182167A1 (en) 2002-02-27

Family

ID=

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