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:
Apr. 24, 2012
Filed:
Oct. 31, 2007
Jeff Kennedy, Carlsbad, CA (US);
Diane V. Graff, Escondido, CA (US);
Daniel F. Gloster, San Diego, CA (US);
Michael Bogomolny, San Diego, CA (US);
Puthalath K. Sujeeth, Ballwin, MO (US);
Ryan Cross, San Diego, CA (US);
Jeff Kennedy, Carlsbad, CA (US);
Diane V. Graff, Escondido, CA (US);
Daniel F. Gloster, San Diego, CA (US);
Michael Bogomolny, San Diego, CA (US);
Puthalath K. Sujeeth, Ballwin, MO (US);
Ryan Cross, San Diego, CA (US);
Sensient Colors LLC, St. Louis, MO (US);
Abstract
An ink composition that includes a self-dispersing pigment that has about 0.02 to about 1.0 mMoles of S and about 0.2 to about 2.0 mMoles of active hydrogen per gram of pigment, water, and an organic solvent. A method of making an ink composition that includes sulfonating a pigment, subsequently oxidizing the pigment to produce a modified pigment, and incorporating the modified pigment into an ink.