| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 01.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Providing mixt of polyols, polyisocyanates, catalysts & disazo colorant having 2 poly(oxyalkylene) groups bonded to each other end of the disazo chromophore, each of said groups having 2-200 alkylene oxide residues & a nucleo philic terminal group capable of reacting with isocyanate - Polymn whereby disazo colorant is covalently bonded wi thin PU |
| PATENT PHOTOCOPY | Available on request |
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