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:
Mar. 15, 1994
Filed:
Sep. 29, 1992
Applicant:
Inventors:
Robert G Morrison, Jr, Cleveland, OH (US);
Steven G Streitel, Brecksville, OH (US);
Jeffrey R Cramm, Winfield, IL (US);
Assignee:
Day-Glo Color Corp., Cleveland, OH (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C09K / ;
U.S. Cl.
CPC ...
524560 ; 524564 ; 524565 ; 524599 ; 524609 ; 25230135 ;
Abstract
An aqueous dispersion of a fluorescent pigment comprising: a water insoluble polymer; fluorescent dye; emulsifiers; and water. The polymer comprises: a water insoluble vinyl monomer free of polar groups; vinyl nitrile; a vinyl monomer containing sulfonate groups; and a polar vinyl monomer from the group consisting of: polar acrylate esters; vinyl acetate; polar methacrylate esters and a substituted acrylamide containing hydroxyl or carboxylic ester groups. The invention also relates to a fluorescent pigment and method for preparing the dispersion and pigment.