Patent · US Expired

Curable composition

US4877854A · kind A · utility

32Cited by

3References

10Claims

0Family size

Assignee

Tokuyama Soda Kabushiki Kaisha · JP

Inventors

Norikazu Hattori · Shunan, JP
Sunao Urabe · Shunan, JP
Koshi Kusumoto · Kamakura, JP

Key dates

Filing date	Dec 7, 1987
Grant date	Oct 31, 1989
Priority date	—
Expiry date	Dec 7, 2007

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08L83/12
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

A curable composition comprising an unsaturated polyether having terminal alkenyl groups, a linear or branched siloxane-substituted polyether having terminal polyorganosiloxane residues and at least two Si-H groups in the molecule and a catalyst having platinum as the main component has an excellent deep portion curing property and provides a cured body having a good hydrophilic property and a good dimensional reproducibility. This curable composition is especially valuable as a dental impression material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.