| PATENT ASSIGNEE'S COUNTRY | USA |
| UPDATE | 07.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
- Providing acrylic fiber felt (I) with propensity to embrittlemen t at > 284 - 350F - Immersing (I) in aq bath of fluoropolymer resin (II) (MP > 500F) & water - Drying - Laminating microporous PTFE substrate to (II) impregnated (I) at T > MP of (II) |
| PATENT PHOTOCOPY | Available on request |
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