The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 22, 1977
Filed:
Jul. 29, 1975
Applicant:
Inventor:
Howard L McCollister, Toledo, OH (US);
Assignee:
Owens-Illinois, Inc., Toledo, OH (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B / ;
U.S. Cl.
CPC ...
65 33 ; 106 396 ;
Abstract
Disclosed is a method of producing hard glass-ceramics from a melt of basalt enriched with one or more of CaO, MgO and SiO.sub.2 to achieve defined ratios of certain oxides in the batch, cooling the melt to a glass and thermally in situ crystallizing the glass to a highly crystalline glass-ceramic product containing a diopside solid solution as the principal phase.