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:
Sep. 17, 1991
Filed:
Sep. 13, 1990
Applicant:
Inventor:
Rachel M Loftin, Halifax, MA (US);
Assignee:
The Gillette Company, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B43K / ;
U.S. Cl.
CPC ...
401209 ;
Abstract
Novel, improved aqueous-based, shear-thinning, shock-resistant ink compositions and writing instruments including the ink compositions. The ink compositions comprise a substantially uniform dispersion of colorant(s), a water-dispersible polymeric shear-thinning material, and a substantially water-soluble polymeric material in a polar solvent system.