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. 06, 1993
Filed:
Feb. 04, 1992
Applicant:
Inventors:
Raghu Ramaiah, Painted Post, NY (US);
Daniel H Brownell, Hornell, NY (US);
Assignee:
North American Philips Corporation, New York, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
313641 ; 313 25 ; 313571 ; 313634 ;
Abstract
The luminous efficacy and color rendering index of a metal halide lamp containing sodium iodide and scandium iodide is increased, and the color correlated temperature is decreased, by the addition of critical amounts of thallium iodide and lithium iodide.
Ramaiah, Raghu. (1993). Metal halide lamp with improved lumen output and color rendition (U.S. Patent No. 5225738). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5225738
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile