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:
Dec. 31, 1991
Filed:
Jul. 06, 1990
Applicant:
Inventor:
Jwa-young Jeong, Seoul, KR;
Assignee:
Samsung Electron Devices Co., Ltd., Kyunggi, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
427218 ; 427 64 ; 427 68 ; 427 71 ;
Abstract
A process for preparation of pigment coated phosphor comprises: preparing a phosphor solution by mixing an acryl emulsion and phosphor particles; preparing a pigment solution by mixing polyvinyl alcohol and pigment particles; mixing the two solutions; adding an acid solution to adjust the mixture to a pH of 3 to 7; and adding oxalic acid as a curing agent, thereby attaching the pigment particles to the phosphor particles.
Jeong, Jwa-young. (1991). Process for preparation of pigment coated phosphor (U.S. Patent No. 5077088). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5077088
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile