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:
Jun. 25, 1996
Filed:
May. 24, 1995
Applicant:
Inventors:
S Prabhakara Rao, Maplewood, MN (US);
Terrance P Smith, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
524462 ; 524463 ; 524544 ; 524758 ; 524795 ; 524796 ; 430113 ; 430114 ; 430115 ; 430116 ;
Abstract
Electrostatic toners comprising polymeric dyes comprising of (1) discrete segments that are dispersible in highly fluorinated solvents and (2) discrete color-imparting segments. These toners can be prepared by a means of a polymerization process, wherein macromers containing highly fluorinated dispersible segments are grafted onto a polymer having chromophores attached thereto.