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:
May. 10, 2005
Filed:
Oct. 29, 2003
Franck Rey Flandrin, Strasbourg, FR;
Guo-hua HU, Nancy Cedex, FR;
Philippe Bugnon, Essert, CH;
Zhimin Hao, Riehen, CH;
Franck Rey Flandrin, Strasbourg, FR;
Guo-Hua Hu, Nancy Cedex, FR;
Philippe Bugnon, Essert, CH;
Zhimin Hao, Riehen, CH;
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
The invention relates to the use of compounds of the formulaR, R, Rand Rindependently of one another are hydrogen, halogen, R, ORor SR, Ris hydrogen or linear or branched C-Calkyl, benzyl or phenethyl, and Ris an apolar group which is unsubstituted or substituted one or more times by halogen or by OC-Calkyl, with the proviso that if Ris hydrogen, R, R, Ror Ris R, ORor SR, as additives in the pigmentation of partially crystalline plastics, especially those processed by injection moulding, with pigments containing at least one each of groupswhich are joined to one another asor are in conjugation with one another. Preferred pigments are quinacridone pigments, disazo condensation pigments, isoindolinone pigments and pyrrolo[3,4-c]pyrrole pigments, especially pyrrolo[3,4-c]pyrrole pigments. Corresponding formulations and novel compounds are likewise claimed. By these means it is possible to avoid warping.