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:
May. 04, 1999
Filed:
May. 20, 1996
Applicant:
Inventors:
Wayne A Chandler, Mauldin, SC (US);
David C Villiger, Greenville, SC (US);
Aiying Wang, Simpsonville, SC (US);
Jeffery H Banning, Spartanburg, SC (US);
Barry W Chadwick, Simpsonville, SC (US);
Assignee:
BIC Corporation, Milford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
523161 ; 524458 ; 524460 ; 260D / ; 106 3123 ; 106 3127 ; 106 3132 ; 401209 ;
Abstract
An erasable ink composition contains a water-insoluble polymeric dye obtained by copolymerizing ethylenically unsaturated monomers at least one of which possesses a dye moiety covalently bonded thereto. The ink is intended for use in any of a variety of marking instruments, in particular, a ball-point pen.