Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1996-06-20
1998-02-17
Jagannathan, Vasu
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
523160, 260DIG38, 524460, 524555, 524556, 524606, 524608, 106 316, C09D 1102
Patent
active
057192049
ABSTRACT:
The invention relates to polymeric dispersants used in formulating aqueous ink compositions, as well as inks containing those dispersants. The dispersants are graft copolymers comprising a hydrophilic polymeric segment, a hydrophobic polymeric segment incorporating a hydrolytically-stable siloxyl substituent, and a stabilizing segment, such as a reactive surfactant macromer, a protective colloid macromer, or a non-siloxyl hydrophobic monomer. The inks made with these dispersants show excellent stability, print characteristics, water-fastness, light-fastness, optical density, and in-use maintenance characteristics.
REFERENCES:
patent: 4597794 (1986-07-01), Ohta et al.
patent: 5180425 (1993-01-01), Matrick et al.
patent: 5302197 (1994-04-01), Wickramanayke et al.
patent: 5310778 (1994-05-01), Shor et al.
patent: 5656071 (1997-08-01), Kappele et al.
Trade Literature--Liponic EG-1, Lipo Chemicals, Inc., Sep., 1995.
Beach Bradley Leonard
Pearson Anna Marie
Sun Jing Xiao
Watkins Richard B.
Guarriello John J.
Jagannathan Vasu
Lexmark International Inc.
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