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:
Jun. 28, 2005
Filed:
Jul. 08, 2004
Applicants:
Yves Grandidier, Rosenau, FR;
Albert Riegler, Basel, CH;
Klaus Ruf, Bollschwell, DE;
Urs Schlatter, Prattlen, CH;
Inventors:
Yves Grandidier, Rosenau, FR;
Albert Riegler, Basel, CH;
Klaus Ruf, Bollschwell, DE;
Urs Schlatter, Prattlen, CH;
Assignee:
CIBA Specialty Chemicals Corp., Tarrytown, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09B067/20 ; C07D487/02 ;
U.S. Cl.
CPC ...
Abstract
This invention relates to 1,4-diketopyrrolo[3,4c]-pyrrole pigments of the formulacharacterized by desirable color properties and novel visible absorbance spectra with a steep slope on the bathochromic side of the absorption maximum in the range of from 500 to 650 nm.