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. 12, 1988
Filed:
Mar. 11, 1987
Eugene L Grubb, Colts Neck, NJ (US);
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Abstract
Fluorescent dry nonelectroscopic toner comprising fluorescent pigmented organic resin particles having a size distribution of 0.2 to 50 micrometers, surface coated with at least 0.1% by weight of silicone oil or fluorocarbon compound, in combination with at least 0.5% by weight of a water soluble, polymeric quaternary ammonium compound as defined. The fluorescent toner is useful in color developing positive- and negative-working photosensitive elements. The toners provide good toning quality and excellent lack of background color, together with stability on aging.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile