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:
Mar. 30, 2010
Filed:
Mar. 08, 2004
Applicants:
Fridolin Bäbler, Teresópolis, BR;
Leonardus Franciscus Peeters, Magden, CH;
Inventors:
Fridolin Bäbler, Teresópolis, BR;
Leonardus Franciscus Peeters, Magden, CH;
Assignee:
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D01F 1/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to polymeric articles that are colored using an unformulated heat stable black, blue or violet dye during melt processing, for example a melt spinning process. The process eliminates the need for acid bath dyeing of high melt polymeric materials. The polymeric articles are for example polyester or polyamide.