New Wax composition for the printing ink industry and ink compositions and overprint varnishes containing same
US5643984A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 3, 1996 |
| Grant date | Jul 1, 1997 |
| Priority date | — |
| Expiry date | Jan 3, 2016 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D191/04
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A new wax composition for use in the ink industry, which composition is prepared from: (a) 40% to 90% of solvent having a boiling point within the range of about 100.degree. to 550.degree. C., said solvent being selected from the group consisting of aromatic and aliphatic solvents, (b) 10% to 40% of wax having an average particle size within the range of about 1 to about 300 microns, (c) 5% to 40% of polymeric pour point depressant, and optionally dependant on the characteristics required, 4% to 40% of a resin material which is soluble in aromatic and aliphatic solvents.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.