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. 10, 1990
Filed:
Oct. 24, 1988
Applicant:
Inventors:
Nan J Lin, Burlington, MA (US);
Peter G Hanley, Milford, MA (US);
Assignee:
The Gillette Company, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C08F / ; C09D / ;
U.S. Cl.
CPC ...
428207 ; 428195 ; 428323 ; 428327 ; 428498 ; 428519 ; 428520 ; 434413 ; 106 20 ; 106 23 ; 106 325 ; 523161 ; 260D / ; 525 89 ; 525 98 ; 525 99 ;
Abstract
An erasable system including a marking element providing a substantially non-porous marking surface and an erasable marking composition for applying markings to the marking surface. The erasable marking composition comprises a dispersion of a particulate film-forming polymeric material and a colorant and preferably also include a water soluble polymer.