Porous polypropylene membrane and method for production thereof

Porous polytetrafluoroethylene film and process for preparation

Porous polytetrafluoroethylene membrane

Porous polyvinylidene fluoride resin film and process for...

Porous PTFE materials and articles produced therefrom

Porous regenerated cellulose membrane and process for the prepar

Porous silica microspheres having a silanol enriched surface

Porous silicon composite structure as large filtration array

Porous spun polymeric structures and method of making same

Porous structures

Porous support for the removal of small exogenous molecules from

Porous water-treating material

Porous, semipermeable membranes of chemically modified cellulose

Porpous PTFE film and a manufacturing method therefor

Portable filtered drinking water system

Portable water purifier

Positive-charged ultrafiltration membrane for the separation of

Positively charged membrane

Positively charged membrane

Positively charged membrane