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. 22, 2003
Filed:
Jul. 24, 2000
Applicant:
Inventors:
Assignee:
Francotyp-Postalia AG & Co., Birkenwerder, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09D 1/102 ;
U.S. Cl.
CPC ...
C09D 1/102 ;
Abstract
The present invention includes an aqueous ink that has a composition which contains one or more dyestuffs, at least one alkanol with a straight or branched C -C -alkyl chain and between two and four hydroxyl groups, at least one C -C -alkyl ester of an ∝-hydroxycarboxylic acid of the formula R—C(OH)—COOH, wherein R is H or a straight or branched C -C -alkyl residue of a penetration agent, a surfactant, other adjuvants, and wherein the balance of the composition is water.