Highly air permeable expanded polytetrafluoroethylene membranes

Liquid purification or separation – Filter – Material

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

55528, 210507, B01D 1300, B01D 2908

Patent

active

049024230

ABSTRACT:
A thin, low density porous polytetrafluoroethylene membrane having very large pores and heretofore unknown high air permeabilities is described. The membrane is produced by a particular series of longitudinal and transverse stretching steps carried out under particular conditions.

REFERENCES:
patent: 3953566 (1976-04-01), Gore
patent: 3962153 (1976-06-01), Gore
patent: 4025679 (1977-05-01), Denny
patent: 4096227 (1978-06-01), Gore
patent: 4187390 (1980-02-01), Gore
patent: 4248924 (1981-02-01), Okita
patent: 4482516 (1984-11-01), Bowman et al.
patent: 4598011 (1986-07-01), Bowman
patent: 4814412 (1989-03-01), Crowther

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Highly air permeable expanded polytetrafluoroethylene membranes does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Highly air permeable expanded polytetrafluoroethylene membranes , we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Highly air permeable expanded polytetrafluoroethylene membranes will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1614645

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.