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:
Jul. 27, 1982
Filed:
Feb. 06, 1981
Applicant:
Inventors:
Assignee:
Fujitsu Limited, Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C03C / ; C03C / ;
U.S. Cl.
CPC ...
65 17 ; 65-311 ; 501 12 ; 501 42 ; 501 45 ;
Abstract
A method of manufacturing glass for an optical transmission body includes the steps of precipitating an oxide of a glass forming element by the hydrolysis reaction of a halogen compound of the glass forming element in the liquid phase, adding phosphoric acid to the precipitate to produce a phosphate, removing the water from the phosphate and vitrifying the phosphate by heating.
Nakamura, Osamu. (1982). Manufacturing method of glass for optical transmission body (U.S. Patent No. 4341542). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4341542
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