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. 23, 2003
Filed:
Nov. 22, 2002
Eun-sung Lee, Seoul, KR;
Amos Corporation, Seoul, KR;
Abstract
A water-based solid marking composition comprises water, a humectant and a solidifying agent present in the weight ratio of 2˜3:1˜2:1. A water-based marking instrument comprising the water-based solid marking composition includes a body surrounding the water-based solid marking composition, a packing for supporting the lower portion of the water-based solid marking composition and for assisting the transportation of the water-based solid marking composition, and a screw facing the packing so as to move the packing upwardly and downwardly, which have advantages in color miscibility, affinity to paper, usability, color tone, less sludge on paper and removal of stains on undesired sites, can render watercolor images using a crayon pastel, a crayon, a colored pencil or a marker, can prevent the composition from feeling sticky in a user's hands and conserves resources, and protects our environment.