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US 5,403,955 AGranted
Mordants for ink-jet receptors and the like
AssigneeMinnesota Mining and Manufacturing Company
InventorOmar Farooq
Life of this patent
Estimating the term…
Abstract
Novel mordants based upon a polyethyleneimine backbone and either pendant phosphonium or quaternized-nitrogen compounds are disclosed. The mordants find use in stopping or controlling ink-bleeding into ink-jet receptors and photographic films.
Claims12
A mordant, comprising a polyethyleneimine backbone with two or more pendant groups, of the formula:
- ##STR18## wherein:
- A is an alkylene radical;
- Q is P.sup.61 R.sub.3 or ##STR19## wherein R is an alkyl, aryl, aralkyl, or alkaryl group;
- n is an integer of 2 or greater;
- and X and Y are independently anions.
2 more elements
A mordant of the formula:
- ##STR21## wherein:
- R is an alloil, aryl, aralkyl, or alkaryl group;
- m is an integer of from 1 to 10;
- n is an integer of 2 or greater;
- and X and Y are independently anions.
2 more elements
A mordant of the formula:
- ##STR23## wherein:
- R is an alkyl, aryl, aralkyl, or alkaryl group;
- m is an integer of from 1 to 10;
- n is an integer of 2 or greater;
- and X and Y are independently anions.
2 more elements
Dependencies are inferred from the claim text.