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:
Oct. 31, 2000
Filed:
Mar. 26, 1999
Applicant:
Inventors:
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ; H02J / ; C09K / ;
U.S. Cl.
CPC ...
430 27 ; 10628718 ; 1062872 ; 427 68 ; 427 72 ; 427512 ; 427514 ; 313466 ;
Abstract
A color filter solution for applying on a face glass of a cathode ray tube and a method for patterning a color filter to improve the brightness and contrast characteristics of the color filter. The color filter solution comprises a pigment, an anion surfactant which contains sodium or ammonium ion or citric acid as a dispersion agent, a mixture solvent of a glycol and a pyrrolidone containing methyl or ethyl, a nonionic surfactant and a pure water. A method for patterning a color filter in a cathode ray tube comprises the steps of:
Choi, Hong-gyu. (2000). Color filter solution for a cathode ray tube and method for patterning a (U.S. Patent No. 6139996). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6139996
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