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. 10, 2008
Filed:
Mar. 22, 2005
Mervin G. Wood, Mobile, AL (US);
Robert E. Detlefsen, Putnam Valley, NY (US);
Joseph Suhadolnik, Yorktown Heights, NY (US);
Walter Renz, Brookfield, CT (US);
Mervin G. Wood, Mobile, AL (US);
Robert E. Detlefsen, Putnam Valley, NY (US);
Joseph Suhadolnik, Yorktown Heights, NY (US);
Walter Renz, Brookfield, CT (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 containing at least one water-soluble hindered amine compound of the general formula (I): wherein Gand Gare independently alkyl 1 to 4 carbon atoms or are together pentamethylene; Zand Zare each methyl, or Zand Ztogether form an unsubstituted linking moiety or a linking moiety substituted by one or more groups selected from an ester, ether, hydroxy, oxo, cyanohydrin, amide, amino, carboxy or an urethane group; E is alkoxy of 1 to 18 carbon atoms, cycloalkoxy of 5 to 12 carbon atoms or aralkoxy of 7 to 15 carbon atoms, or E is —O-T-(OH); T is a straight or branched chain alkylene of 1 to 18 carbon atoms, cycloalkylene of 5 to 18 carbon atoms, cycloalkenylene of 5 to 18 carbon atoms, a straight or branched chain alkylene of 1 to 4 carbon atoms substituted by phenyl or by phenyl substituted by one or two alkyl groups of 1 to 4 carbon atoms; b is 1, 2 or 3 with the proviso that b cannot exceed the number of carbon atoms in T, and when b is 2 or 3, each hydroxyl group is attached to a different carbon atoms of T; and, HY is an inorganic or organic acid; and, wherein the total change of cations is equal to the total charge of anions.