{
  "$type": "site.standard.document",
  "coverImage": {
    "$type": "blob",
    "ref": {
      "$link": "bafkreigzwvkd4vxaryrdqogzd4otsj5mpeu5nbpmki565r6gg73wtb5shu"
    },
    "mimeType": "image/png",
    "size": 97436
  },
  "description": "The present invention relates to a hollow fiber membrane including, sequentially from the center: a first layer having a high-density sponge structure including pores with a size of 1 nm or less; a second layer including a finger-shaped structure; and a third layer having a low-density sponge…",
  "path": "/patents/1396748",
  "publishedAt": "2026-03-25T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B01D63/021",
    "KOLON INC [KR]"
  ],
  "textContent": "The present invention relates to a hollow fiber membrane including, sequentially from the center: a first layer having a high-density sponge structure including pores with a size of 1 nm or less; a second layer including a finger-shaped structure; and a third layer having a low-density sponge structure including pores with a size of 10 to 1,000 µm, and to a method for producing the hollow fiber membrane.",
  "title": "HOLLOW FIBER MEMBRANE AND METHOD FOR PRODUCING SAME"
}