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:
May. 04, 1993
Filed:
Feb. 11, 1991
Applicant:
Inventors:
Robert W Wolfe, Towanda, PA (US);
Joseph J Lenox, Towanda, PA (US);
Theodore J Tomlinson, Canton, PA (US);
Assignee:
GTE Products Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ; B05D / ; B32B / ;
U.S. Cl.
CPC ...
25230136 ; 313485 ; 313486 ; 427 67 ; 427157 ; 427221 ; 428407 ;
Abstract
A stir-in fluorescent lamp phosphor is coated with a 1:1 ratio of latex polymer and fumed silica. The polymer-coated fluorescent lamp phosphor exhibits improved dispersability and wettability in aqueous and organic binder media which are used to apply fluorescent lamp phosphors to the inside walls of a fluorescent lamp envelope.