Title:
MODIFIED HYDROGEL AND GINGIVA EXTENSION DEVICE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/145529
Kind Code:
A1
Abstract:
One aspect of the present invention provides a modified hydrogel and a gingival extension device comprising same, the modified hydrogel being characterized in that at least a part of a carboxyl group (-COOH) located in a side chain of a polymer constituting the hydrogel is modified and represented by the formula as follows: P-(COO -) n A n+ wherein, P is the backbone of the polymer, n is one integer of 1 to 3, and A is one selected from the group consisting of Na, K, NH 4, Ca, Ng, Zn, Fe, Al, Sn, Cu, Ni, Mn, W, Co, Ag, Pb, Au, Pd, Pt, Ti, and two or more combinations thereof.
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Inventors:
KIM MIN KYOUNG (KR)
JANG IL-SEOK (KR)
SONG JU DONG (KR)
JANG IL-SEOK (KR)
SONG JU DONG (KR)
Application Number:
PCT/KR2019/017578
Publication Date:
July 16, 2020
Filing Date:
December 12, 2019
Export Citation:
Assignee:
OSSTEM IMPLANT CO LTD (KR)
International Classes:
C08F8/44; A61B90/00; A61C8/02; A61L27/52; A61L31/14; C08J3/075
Foreign References:
| JP3445614B2 | 2003-09-08 | |||
| JP2009542895A | 2009-12-03 | |||
| KR20150137865A | 2015-12-09 | |||
| KR101446964B1 | 2014-10-07 | |||
| JPS58821B2 | 1983-01-08 |
Other References:
See also references of EP 3878873A4
Attorney, Agent or Firm:
HANA IP LAW FIRM (KR)
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