Polyalkyleneoxydiamine polyamides useful for formulating inks for phase-change jet printing
US6492458B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | May 16, 2000 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | May 16, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G69/40
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A compound of formula (1): wherein, in at least one occurrence, R1 is an alkyl group having at least seventeen carbons; R2 includes a polyalkyleneoxide; R3 includes a C6 carbocyclic group; and n is an integer of at least 1. A process for preparing a compound of the formula (1) comprising combining reactants comprising: (a) a monoacid compound of the formula R1—COOH, or a reactive equivalent thereof; (b) a diamine compound of the formula H2N—R2—NH2, or a reactive equivalent thereof; and (c) a diacid compound of the formula HOOC—R3—COOH, or a reactive equivalent thereof; and heating reactants (a), (b) and (c) at a sufficient temperature, and for a sufficient time, to provide a reaction product that comprises a compound of formula (1). A process of printing, the process including melting a compound of formula (1) and depositing compound of formula (1) onto a substrate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.