US 12,076,964 B1
Hydrophilized expanded PTFE and method of hydrophilizing expanded PTFE
Makoto Sawada, Tokyo (JP)
Assigned to SAIKYO BIOTECH CO., LTD., Tokyo (JP)
Appl. No. 18/579,968
Filed by SAIKYO BIOTECH CO.,LTD., Tokyo (JP)
PCT Filed Jul. 6, 2023, PCT No. PCT/JP2023/025108
§ 371(c)(1), (2) Date Jan. 17, 2024,
.
Int. Cl. B32B 27/32 (2006.01); B32B 27/10 (2006.01)
CPC B32B 27/322 (2013.01) [B32B 27/10 (2013.01); B32B 2250/02 (2013.01); B32B 2255/12 (2013.01); B32B 2264/203 (2020.08); B32B 2310/14 (2013.01); B32B 2327/18 (2013.01); B32B 2535/00 (2013.01)] 4 Claims
OG exemplary drawing
 
1. A hydrophilized ePTFE sheet comprising:
an ePTFE sheet;
Japanese paper laminated on a surface of the ePTFE sheet processed with an atmospheric pressure plasma treatment; and
a collagen layer applied to a surface of the Japanese paper.