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:
Feb. 22, 2005
Filed:
Feb. 04, 2004
Patrice Bujard, Reinach, CH;
Véronique Hall-goulle, Reinach, CH;
Zhimin Hao, Riehen, CH;
Hitoshi Nagasue, Nishinomiya, JP;
Gerardus DE Keyzer, Riehen, CH;
Patrice Bujard, Reinach, CH;
Véronique Hall-Goulle, Reinach, CH;
Zhimin Hao, Riehen, CH;
Hitoshi Nagasue, Nishinomiya, JP;
Gerardus De Keyzer, Riehen, CH;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
The present application relates to a process for the manufacture of pigmented vitreous materials, as well as to pigmented vitreous materials, characterized by the use of soluble pigment precursors and preferably the absence of significant amounts of dispersants. These pigmented vitreous materials can be used as colored materials for any known purposes. Soluble pigment precursors comprising a partial structureare also claimed, wherein Xis an aromatic or heteroaromatic ring, B is hydrogen or a group of the formulabut at least one group B is not hydrogen, and L is a solubilizing group.