Title: Method for making oxide glasses

Abstract: A method for preparing high purity laser and optical fiber glass by the controlled oxidation of metals initially purified by zone refining processes.

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Inventors: Alexander, John Henry (Bishops Stortford, EN)

Application Number: 596548
Filing Date: 1975-07-16
Publication_date: 1976-12-14
Assignee: International Standard Electric Corporation (New York, NY)
Primary Class(es): 65/32.5 65/134.4, 65/385, 65/DIG4, 75/10.11, 501/37, 501/42, 501/55, 501/68, 501/72
Other Classes:
US Patent Ref:

3047380	Jul, 1962	Bloem	75/65.
3162526	Dec, 1964	Yanik	75/65.
3240560	Mar, 1966	Spear	423/625.
3336159	Aug, 1967	Liebson	75/65.
3469968	Sep, 1969	Snow	65/DIG.
3839017	Oct, 1974	Schempp	75/60.
3843229	Oct, 1974	Rosenberger	65/DIG.
3884550	May, 1975	Maurer et al.	65/DIG.

Other Refs:
Primary Examiner: Lindsay, Jr., Robert L.
Assistant Examiner:
Attorney: O'Halloran; John T., Marshall; Thomas M., Menelly; Richard A.