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:
Dec. 23, 1997
Filed:
Aug. 04, 1995
Applicant:
Inventors:
Assignee:
The Pilot Ink Co., Ltd., Nagoya, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B43K / ;
U.S. Cl.
CPC ...
428 3692 ; 428 357 ; 428 369 ; 401 21 ; 401 23 ; 401 25 ; 401 26 ; 401 27 ; 401 55 ; 401 61 ; 401126 ; 401137 ; 401138 ; 401139 ; 401143 ; 401144 ; 401192 ; 401196 ; 401197 ; 401198 ; 401199 ; 401208 ; 401220 ;
Abstract
A coloring fluid-containing marking device which sufficiently withstand practical use and, after use, its molded members can be biologically degraded in soil. The marking device comprises a coloring fluid container molded from an aliphatic polyester resin, and a coloring fluid containing a solvent mainly comprising an aliphatic hydrocarbon and/or an alicyclic hydrocarbon.