Condensation polymers
US4933426A · kind A · utility
8Cited by
0References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 15, 1989 |
| Grant date | Jun 12, 1990 |
| Priority date | — |
| Expiry date | Mar 15, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/6852
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Colored condensation polymers useful as replacements for waxes in a thermal wax transfer process, said polymers being obtained by reacting a polymerizable lactone or a hydroxyalkanoic acid with a dye containing at least one active hydrogen atom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.