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. 07, 1998
Filed:
Aug. 22, 1997
Applicant:
Inventor:
Chung-Nin Chau, Sayre, PA (US);
Assignee:
Osram Sylvania Inc., Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B / ; C09K / ;
U.S. Cl.
CPC ...
2523 / ; 423277 ;
Abstract
An improved method for a single step firing synthesis of borate phosphors wherein at least about half the amount of a volatile, low melting point, boron source such as boric acid or boron oxide is replaced with an equivalent amount of boron nitride. The method having the advantages of a single step firing and providing better control over the stoichiometry of the phosphor.
Chau, Chung-Nin. (1998). Borate phosphor synthesis using boron nitride (U.S. Patent No. 5776368). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5776368
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile