| PATENT ASSIGNEE'S COUNTRY | Germany |
| UPDATE | 07.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Solid polysiloxane having sulphonic acid groups - Surface pf polysiloxane is modified by 0.1 - 1 % of oxidic Al compds |
| PATENT PHOTOCOPY | Available on request |
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