Title: Method of manufacturing colored glass articles

Abstract: A method of manufacturing colored pressed glass articles by indiffusion of ions under reducing conditions, in which method before the indiffusion a layer having a thickness of at least 10 .mu.m is removed by etching with HF.

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Inventors: Besselink, Lucas (Eindhoven, NL)

Application Number: 564306
Filing Date: 1975-04-02
Publication_date: 1976-12-14
Assignee: U.S. Philips Corporation (New York, NY)
Primary Class(es): 65/30.13 65/31, 65/32.4, 427/160, 427/165, 427/309, 501/59, 501/66
Other Classes:
US Patent Ref:

3639114	Feb, 1972	Loukes	65/30.
3650720	Mar, 1972	Grego et al.	65/30.
3779732	Dec, 1973	Spanoudis	65/31.

Other Refs: 1,082,064

Sep, 1967	UK

Primary Examiner: Lindsay, Jr., Robert L.
Assistant Examiner:
Attorney: Trifari; Frank R., McGlynn; Daniel R.