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:
Aug. 19, 1980
Filed:
Jun. 27, 1978
Applicant:
Inventor:
Nobuo Yokoyama, Yokohama, JP;
Assignee:
Nippon Oil Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ; C09D / ;
U.S. Cl.
CPC ...
106 31 ; 106270 ; 106271 ; 106272 ;
Abstract
An ink composition for carbon paper comprising a base oil, wax, carbon black, a dyestuff and filler, characterized by the fact that the wax contains a new wax prepared by reacting a specific polyolefin wax with an unsaturated polycarboxylic acid or the like to produce a reaction mixture, removing the unreacted acid or the like therefrom to obtain a modified wax, and then reacting the modified wax with a compound of a metal of Group II of the Periodic Table to convert the acidic groups of the modified wax to a salt of the Group II metal thereby obtaining the new wax.