US Patent 7137278 Process for producing alkali-free aluminosilicate glass
Patent 7137278 was granted and assigned to Schott AG on November, 2006 by the United States Patent and Trademark Office.
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Patent Inventor Names
Franz Ott0
Karin Naumann0
Otmar Becker0
Ralf Diezel0
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Patent abstract
The process of the invention produces alkali-free aluminosilicate glass having an Al2O3-content of more than 12% by weight with the addition of from 0.005% by weight to 0.6% by weight of sulfate for batch formulation.
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US Patent 07137278 Process for producing alkali-free aluminosilicate glass US Patent 7137278 Process for producing alkali-free aluminosilicate glass
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Patent Number
071372780
Patent Number
71372780
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Official Website
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Is a
Current Assignee
Patent Jurisdiction
Patent Number
071372780
Date of Patent
November 21, 2006
0Patent Application Number
103961460
Date Filed
March 25, 2003
0Official Website
Patent Primary Examiner
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US Patent 07137278 Process for producing alkali-free aluminosilicate glass
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07137278
Date of patent
November 21, 2006
Patent application number
10396146
Date Filed
March 25, 2003
Patent primary examiner
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