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:
Nov. 24, 1987
Filed:
Apr. 30, 1986
Drewfus Y Myers, Jr, Rochester, NY (US);
Peter S Alexandrovich, Rochester, NY (US);
Glenn T Pearce, Rochester, NY (US);
Domenic Santilli, Rochester, NY (US);
Chandrasekha Sreekumar, Rochester, NY (US);
Martin A Berwick, Rochester, NY (US);
Donald A Upson, Rochester, NY (US);
William K Goebel, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
The invention provides new crosslinked vinyl polymer particles, new coating compositions containing such particles, new liquid electrographic developers containing such particles, new electrographic elements containing one or more layers comprising such particles, and new electrographic records containing toner images and/or layers comprising such particles. The polymeric particles of the invention are characterized in that each particle has an average diameter less than one micrometer and comprises a crosslinked vinyl addition copolymer obtainable by aqueous emulsion polymerization of a mixture of monomers wherein: