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. 27, 2006
Filed:
Jan. 21, 2004
Mervin G. Wood, Mobile, AL (US);
Joseph Suhadolnik, Yorktown Heights, NY (US);
Ramanathan Ravichandran, Suffern, NY (US);
Sai P. Shum, Jamesburg, NJ (US);
Mervin G. Wood, Mobile, AL (US);
Joseph Suhadolnik, Yorktown Heights, NY (US);
Ramanathan Ravichandran, Suffern, NY (US);
Sai P. Shum, Jamesburg, NJ (US);
Ciba Specialty Chemicals Corporation, Tarrytown, NY (US);
Abstract
The present invention relates to an ink jet ink, an ink jet recording material or an ink jet system comprising at least one compound selected from the group consisting of a) the dialkyl hydroxylamine stabilizers, b) the nitrone stabilizers and c) the amine oxide stabilizers. The present stabilizer compounds provide ink jet prints with outstanding light stability, gas fade stability and dark storage stability. The hydroxylamines are for example N,N-dihydrocarbylhydroxylamines of the formula RRN—OH, wherein Rand Rare independently benzyl, methyl, ethyl, octyl, lauryl, dodecyl, tetradecyl, hexadecyl, heptadecyl or octadecyl, or wherein Rand Rare each the alkyl mixture found in hydrogenated tallow amine. The nitrone and amine oxide stabilizers are for example nitrone and amine oxide analogues of the dialkylhydroxylamine stabilizers.