Preparation of a quartz glass body in a melting crucible of refractory metal

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11299417
APP PUB NO 20190071344A1
SERIAL NO

16062658

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Abstract

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The invention relates to a process for preparing a quartz glass body comprising the process steps i.) Providing a silicon dioxide granulate, ii.) Making a glass melt from the silicon dioxide granulate in a melting crucible, and iii.) Making a quartz glass body from at least a part of the glass melt, wherein the melting crucible is comprised in an oven and is made of at least one material comprising tungsten or molybdenum or a combination thereof. The invention further relates to a quartz glass body which can be obtained by this process. Further, the invention relates to a light guide, an illuminant and a formed body, each of which can be obtained by processing the quartz glass body further.

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Patent Owner(s)

Patent OwnerAddress
HERAEUS QUARZGLAS GMBH & CO KGHERAEUSSTRASSE 12 - 14 HANAU 63450

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gromann, Boris Aschaffenburg, DE 25 177
Hünermann, Michael Alzenau, DE 34 174
Kpebane, Abdoul-Gafar Hanau-Mittelbuchen, DE 11 105
Lehmann, Walter Leipzig, DE 37 231
Nielsen, Nils Christian Göllheim, DE 16 146
Otter, Matthias Hamm, DE 25 238
Whippey, Nigel Robert Seligenstadt, DE 14 135

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