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:
Nov. 15, 2005
Filed:
Dec. 13, 2001
Peter Sutter, Muttenz, CH;
Peter Aeschlimann, Allschwil, CH;
Peter Sutter, Muttenz, CH;
Peter Aeschlimann, Allschwil, CH;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
The present invention relates to anthraquinone dyes of the formula (I) where Ris hydrogen, Ris hydrogen or CO—CCalkyl moiety may be substituted by carboxyl, or is (II) wherein Ris hydrogen, C-Calkyl, hydroxyl, carboxyl or halogen, Ris hygrogen, C-Calkyl or halogen and Ris hydrogen or C-Calkyl or when Ris halogen R8 ? may be methyl or halogen Ris hydrogen or halogen, Ris hydrogen or halogen and n is (0), (1) or (2), with the proviso that R, R, R, Rand Rare not all hydrogen at one and the same time, processes for their preparation and their use for dyeing or printing hydrophobic fiber materials or for preparing colored plastics or polymeric color particles.