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:
Apr. 09, 1991
Filed:
Dec. 19, 1989
Applicant:
Inventors:
Norbert Mecke, Hanover, DE;
Albert Schmedes, Pattensen, DE;
Assignee:
Pelikan Aktiengesellschaft, Hanover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ; C09D / ; C08C / ; B05D / ;
U.S. Cl.
CPC ...
106 21 ; 106 19 ; 106 20 ; 106 22 ; 106 24 ; 106 25 ; 106162 ; 427273 ;
Abstract
An aqueous ink eradicator solution for inks utilizing triaryl methane dyestuff and containing a reducing sulfur compound. the ink contains 20 to 50% by weight of sugar and/or a solid sugar alcohol and the reducing sulfur compound in an amount of 0.5 to 5% by weight.