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.

Date of Patent:
Oct. 06, 2009

Filed:

Dec. 02, 2004
Applicant:

Friedrich Lehr, Efringen-Kirchen, DE;

Inventor:

Friedrich Lehr, Efringen-Kirchen, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B 62/01 (2006.01); C09B 35/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention relates to a process for producing storage-stable concentrated aqueous dye preparations of anionic dyes, to the dye preparations as such, blends/shadings with further anionic dyes and to their use, especially for printing and dyeing fiber materials.


Find Patent Forward Citations

Loading…