Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Reexamination Certificate
2005-06-28
2005-06-28
Green, Anthony J. (Department: 1755)
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
C106S493000, C106S494000, C524S087000, C548S453000
Reexamination Certificate
active
06911074
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.
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Grandidier Yves
Riegler Albert
Ruf Klaus
Schlatter Urs
CIBA Specialty Chemicals Corp.
Green Anthony J.
Stevenson Tyler A.
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