Title:
EASY-HANDLING HEAVY-BODY IMPRESSION MATERIAL AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2023/219262
Kind Code:
A1
Abstract:
Disclosed are an addition polymerization type heavy-body impression material and a preparation method therefor, the heavy-body impression material comprising: polydimethyl siloxane which has a viscosity of 60,000 cPs or more at 25 ℃ and of which at least one terminus is substituted with a vinyl group; a silicone-based polymer having a viscosity of 5,000-15,000 cPs at 25 ℃; organohydrogenpolysiloxane; a filler; and other additives, wherein the filler is coated with a first release agent having a viscosity of 30-400 cPs at 25 ℃, and the impression material is coated with a second release agent having a melting point of 50-100 ℃.
Inventors:
KIM DO YON (KR)
JEONG SE YOUNG (KR)
YANG BO MI (KR)
CHOI HONG YOUNG (KR)
JEONG SE YOUNG (KR)
YANG BO MI (KR)
CHOI HONG YOUNG (KR)
Application Number:
PCT/KR2023/004065
Publication Date:
November 16, 2023
Filing Date:
March 28, 2023
Export Citation:
Assignee:
OSSTEM IMPLANT CO LTD (KR)
International Classes:
A61K6/90
Foreign References:
| US20130101954A1 | 2013-04-25 | |||
| US4609687A | 1986-09-02 | |||
| US4614758A | 1986-09-30 | |||
| US20040110863A1 | 2004-06-10 | |||
| US6040354A | 2000-03-21 |
Attorney, Agent or Firm:
HANA IP LAW FIRM (KR)
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