| PATENT ASSIGNEE'S COUNTRY | Russia |
| UPDATE | 11.99 |
| PATENT ASSIGNEE | This data is not available for free |
| PATENT CLAIMS |
Porous fluorocarbon membrane - Porous support & a layer of fluorocarbon polymer connec ted to said support, said support having an av pore size 5.0-500.0 microns & difference by specific wt. in any two points of a sample having various sizes of < 7% - Said porous support is completely impregnated with a co polymer soln. soluble in organic solvent wherein the copo lymer is consisting of 23-25% tetrafluoroethylene & 75-77% vinylidene fluoride The ratio of visc. of the copolymer soln in acetone, with copolymer content in the soln in the amount of 0.01 g/ml, to acetone equal to 2.0-4.0 |
| PATENT PHOTOCOPY | Available on request |
|
Want more information ? Interested in the hidden information ? Click here and do your request. |