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:
Nov. 24, 1998
Filed:
Nov. 13, 1995
Applicant:
Inventors:
Larry R Krepski, White Bear Lake, MN (US);
Richard J Kuo, St. Paul, MN (US);
Prabhakara S Rao, Maplewood, MN (US);
Terrance P Smith, Woodbury, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09D / ;
U.S. Cl.
CPC ...
106 / ; 106499 ;
Abstract
Water-based pigmented inks are disclosed. Such inks are formed from water-based dispersions of pigment particles having novel dispersants therein. The dispersions are formed from the reaction product of an alkenyl azlactone with an N-substituted amino acid compound. Subsequent to the reaction, the reaction product is ring-opened using an amine and, optionally, hydrolyzed. The resulting inks are well-suited for use in ink jet and other printing applications.